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-rw-r--r--sysdeps/unix/sysv/linux/bits/dirent.h37
-rw-r--r--sysdeps/unix/sysv/linux/bits/errno.h59
-rw-r--r--sysdeps/unix/sysv/linux/bits/fcntl.h99
-rw-r--r--sysdeps/unix/sysv/linux/bits/ioctl-types.h74
-rw-r--r--sysdeps/unix/sysv/linux/bits/ioctls.h30
-rw-r--r--sysdeps/unix/sysv/linux/bits/ipc.h85
-rw-r--r--sysdeps/unix/sysv/linux/bits/local_lim.h21
-rw-r--r--sysdeps/unix/sysv/linux/bits/msq.h78
-rw-r--r--sysdeps/unix/sysv/linux/bits/posix_opt.h73
-rw-r--r--sysdeps/unix/sysv/linux/bits/resource.h186
-rw-r--r--sysdeps/unix/sysv/linux/bits/sched.h54
-rw-r--r--sysdeps/unix/sysv/linux/bits/sem.h88
-rw-r--r--sysdeps/unix/sysv/linux/bits/shm.h92
-rw-r--r--sysdeps/unix/sysv/linux/bits/sigaction.h54
-rw-r--r--sysdeps/unix/sysv/linux/bits/sigcontext.h28
-rw-r--r--sysdeps/unix/sysv/linux/bits/signum.h66
-rw-r--r--sysdeps/unix/sysv/linux/bits/sigset.h123
-rw-r--r--sysdeps/unix/sysv/linux/bits/socket.h205
-rw-r--r--sysdeps/unix/sysv/linux/bits/stat.h88
-rw-r--r--sysdeps/unix/sysv/linux/bits/statfs.h42
-rw-r--r--sysdeps/unix/sysv/linux/bits/termios.h189
-rw-r--r--sysdeps/unix/sysv/linux/bits/time.h56
-rw-r--r--sysdeps/unix/sysv/linux/bits/types.h103
-rw-r--r--sysdeps/unix/sysv/linux/bits/uio.h46
-rw-r--r--sysdeps/unix/sysv/linux/bits/ustat.h27
-rw-r--r--sysdeps/unix/sysv/linux/bits/utsname.h25
-rw-r--r--sysdeps/unix/sysv/linux/bits/waitflags.h29
27 files changed, 2057 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/dirent.h b/sysdeps/unix/sysv/linux/bits/dirent.h
new file mode 100644
index 0000000000..ccf5080151
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/dirent.h
@@ -0,0 +1,37 @@
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _DIRENTRY_H
+#define _DIRENTRY_H 1
+
+struct dirent
+ {
+ long int d_ino;
+ __off_t d_off;
+ unsigned short int d_reclen;
+ unsigned char d_type;
+ char d_name[256]; /* We must not include limits.h! */
+ };
+#define d_fileno d_ino /* Backwards compatibility. */
+
+#undef _DIRENT_HAVE_D_NAMLEN
+#define _DIRENT_HAVE_D_RECLEN
+#define _DIRENT_HAVE_D_OFF
+#define _DIRENT_HAVE_D_TYPE
+
+#endif /* _DIRENTRY_H */
diff --git a/sysdeps/unix/sysv/linux/bits/errno.h b/sysdeps/unix/sysv/linux/bits/errno.h
new file mode 100644
index 0000000000..f676d35e49
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/errno.h
@@ -0,0 +1,59 @@
+/* Error constants. Linux specific version.
+ Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifdef _ERRNO_H
+
+# undef EDOM
+# undef ERANGE
+# include <linux/errno.h>
+
+# ifndef __ASSEMBLER__
+/* We now need a declaration of the `errno' variable. */
+extern int errno;
+
+/* Function to get address of global `errno' variable. */
+extern int *__errno_location __P ((void)) __attribute__ ((__const__));
+
+# if defined _LIBC
+# ifdef _LIBC_REENTRANT
+static inline int
+__set_errno (int __err)
+{
+ return *__errno_location () = errno = __err;
+}
+# define __set_errno __set_errno
+# else /* !_LIBC_REENTRANT */
+# define __set_errno(val) errno = (val)
+# endif /* _LIBC_REENTRANT */
+# endif /* _LIBC */
+
+# if !defined _LIBC || defined _LIBC_REENTRANT
+/* When using threads, errno is a per-thread value. */
+# define errno (*__errno_location ())
+# endif
+# endif /* !__ASSEMBLER__ */
+#endif /* _ERRNO_H */
+
+#if !defined (_ERRNO_H) && defined (__need_Emath)
+/* This is ugly but the kernel header is not clean enough. We must
+ define only the values EDOM and ERANGE in case __need_Emath is
+ defined. The value is the same for all Linux ports. */
+# define EDOM 33 /* Math argument out of domain of function. */
+# define ERANGE 34 /* Math result not representable. */
+#endif /* !_ERRNO_H && __need_Emath */
diff --git a/sysdeps/unix/sysv/linux/bits/fcntl.h b/sysdeps/unix/sysv/linux/bits/fcntl.h
new file mode 100644
index 0000000000..62c3052d8c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/fcntl.h
@@ -0,0 +1,99 @@
+/* O_*, F_*, FD_* bit values for Linux.
+ Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _FCNTL_H
+#error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+
+#include <sys/types.h>
+
+
+/* In GNU, read and write are bits (unlike BSD). */
+#ifdef __USE_GNU
+#define O_READ O_RDONLY /* Open for reading. */
+#define O_WRITE O_WRONLY /* Open for writing. */
+#endif
+/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
+ located on an ext2 file system */
+#define O_ACCMODE 0003
+#define O_RDONLY 00
+#define O_WRONLY 01
+#define O_RDWR 02
+#define O_CREAT 0100 /* not fcntl */
+#define O_EXCL 0200 /* not fcntl */
+#define O_NOCTTY 0400 /* not fcntl */
+#define O_TRUNC 01000 /* not fcntl */
+#define O_APPEND 02000
+#define O_NONBLOCK 04000
+#define O_NDELAY O_NONBLOCK
+#define O_SYNC 010000
+#define O_FSYNC O_SYNC
+#define O_ASYNC 020000
+
+#define F_DUPFD 0 /* dup */
+#define F_GETFD 1 /* get f_flags */
+#define F_SETFD 2 /* set f_flags */
+#define F_GETFL 3 /* more flags (cloexec) */
+#define F_SETFL 4
+#define F_GETLK 5
+#define F_SETLK 6
+#define F_SETLKW 7
+
+#define F_SETOWN 8 /* for sockets. */
+#define F_GETOWN 9 /* for sockets. */
+
+/* for F_[GET|SET]FL */
+#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
+
+/* for posix fcntl() and lockf() */
+#define F_RDLCK 0
+#define F_WRLCK 1
+#define F_UNLCK 2
+
+/* for old implementation of bsd flock () */
+#define F_EXLCK 4 /* or 3 */
+#define F_SHLCK 8 /* or 4 */
+
+/* operations for bsd flock(), also used by the kernel implementation */
+#define LOCK_SH 1 /* shared lock */
+#define LOCK_EX 2 /* exclusive lock */
+#define LOCK_NB 4 /* or'd with one of the above to prevent
+ blocking */
+#define LOCK_UN 8 /* remove lock */
+
+struct flock
+ {
+ short int l_type;
+ short int l_whence;
+ __off_t l_start;
+ __off_t l_len;
+ __pid_t l_pid;
+ };
+
+
+/* Define some more compatibility macros to be backward compatible with
+ BSD systems which did not managed to hide these kernel macros. */
+#ifdef __USE_BSD
+#define FAPPEND O_APPEND
+#define FFSYNC O_FSYNC
+#define FASYNC O_ASYNC
+#define FNONBLOCK O_NONBLOCK
+#define FNDELAY O_NDELAY
+#endif /* Use BSD. */
diff --git a/sysdeps/unix/sysv/linux/bits/ioctl-types.h b/sysdeps/unix/sysv/linux/bits/ioctl-types.h
new file mode 100644
index 0000000000..af988a3c9d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/ioctl-types.h
@@ -0,0 +1,74 @@
+/* Structure types for pre-termios terminal ioctls. Linux version.
+ Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * Never include this file directly; use <sys/ioctl.h> instead.
+ */
+
+#ifndef _BITS_IOCTL_TYPES_H
+#define _BITS_IOCTL_TYPES_H 1
+
+/* Get definition of constants for use with `ioctl'. */
+#include <asm/ioctls.h>
+
+
+struct winsize
+ {
+ unsigned short int ws_row;
+ unsigned short int ws_col;
+ unsigned short int ws_xpixel;
+ unsigned short int ws_ypixel;
+ };
+
+#define NCC 8
+struct termio
+ {
+ unsigned short int c_iflag; /* input mode flags */
+ unsigned short int c_oflag; /* output mode flags */
+ unsigned short int c_cflag; /* control mode flags */
+ unsigned short int c_lflag; /* local mode flags */
+ unsigned char c_line; /* line discipline */
+ unsigned char c_cc[NCC]; /* control characters */
+};
+
+/* modem lines */
+#define TIOCM_LE 0x001
+#define TIOCM_DTR 0x002
+#define TIOCM_RTS 0x004
+#define TIOCM_ST 0x008
+#define TIOCM_SR 0x010
+#define TIOCM_CTS 0x020
+#define TIOCM_CAR 0x040
+#define TIOCM_RNG 0x080
+#define TIOCM_DSR 0x100
+#define TIOCM_CD TIOCM_CAR
+#define TIOCM_RI TIOCM_RNG
+
+/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
+
+/* line disciplines */
+#define N_TTY 0
+#define N_SLIP 1
+#define N_MOUSE 2
+#define N_PPP 3
+#define N_STRIP 4
+#define N_AX25 5
+
+
+#endif /* bits/ioctl-types.h */
diff --git a/sysdeps/unix/sysv/linux/bits/ioctls.h b/sysdeps/unix/sysv/linux/bits/ioctls.h
new file mode 100644
index 0000000000..265c857f92
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/ioctls.h
@@ -0,0 +1,30 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * Never include this file directly; use <sys/ioctl.h> instead.
+ */
+
+#ifndef _BITS_IOCTLS_H
+#define _BITS_IOCTLS_H 1
+
+/* Use the definitions from the kernel header files. */
+#include <asm/ioctls.h>
+#include <linux/sockios.h>
+
+#endif /* bits/ioctls.h */
diff --git a/sysdeps/unix/sysv/linux/bits/ipc.h b/sysdeps/unix/sysv/linux/bits/ipc.h
new file mode 100644
index 0000000000..f5fea0d295
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/ipc.h
@@ -0,0 +1,85 @@
+/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_IPC_BUF_H
+
+#define _SYS_IPC_BUF_H 1
+#include <features.h>
+
+#include <sys/types.h>
+
+/* Mode bits for `msgget', `semget', and `shmget'. */
+#define IPC_CREAT 01000 /* Create key if key does not exist. */
+#define IPC_EXCL 02000 /* Fail if key exists. */
+#define IPC_NOWAIT 04000 /* Return error on wait. */
+
+/* Control commands for `msgctl', `semctl', and `shmctl'. */
+#define IPC_RMID 0 /* Remove identifier. */
+#define IPC_SET 1 /* Set `ipc_perm' options. */
+#define IPC_STAT 2 /* Get `ipc_perm' options. */
+#define IPC_INFO 3 /* See ipcs. */
+
+
+__BEGIN_DECLS
+
+/* Special key values. */
+#define IPC_PRIVATE ((__key_t) 0) /* Private key. */
+
+
+/* Data structure used to pass permission information to IPC operations. */
+struct ipc_perm
+ {
+ __key_t __key; /* Key. */
+ unsigned short int uid; /* Owner's user ID. */
+ unsigned short int gid; /* Owner's group ID. */
+ unsigned short int cuid; /* Creator's user ID. */
+ unsigned short int cgid; /* Creator's group ID. */
+ unsigned short int mode; /* Read/write permission. */
+ unsigned short int __seq; /* Sequence number. */
+ };
+
+
+/* Kludge to work around Linux' restriction of only up to five
+ arguments to a system call. */
+struct ipc_kludge
+ {
+ void *msgp;
+ long int msgtyp;
+ };
+
+/* The actual system call: all functions are multiplexed by this. */
+extern int __ipc __P ((int __call, int __first, int __second, int __third,
+ void *__ptr));
+
+/* The codes for the functions to use the multiplexer `__ipc'. */
+#define IPCOP_semop 1
+#define IPCOP_semget 2
+#define IPCOP_semctl 3
+#define IPCOP_msgsnd 11
+#define IPCOP_msgrcv 12
+#define IPCOP_msgget 13
+#define IPCOP_msgctl 14
+#define IPCOP_shmat 21
+#define IPCOP_shmdt 22
+#define IPCOP_shmget 23
+#define IPCOP_shmctl 24
+
+__END_DECLS
+
+#endif /* _SYS_IPC_BUF_H */
diff --git a/sysdeps/unix/sysv/linux/bits/local_lim.h b/sysdeps/unix/sysv/linux/bits/local_lim.h
new file mode 100644
index 0000000000..7ce423061a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/local_lim.h
@@ -0,0 +1,21 @@
+/* Minimum guaranteed maximum values for system limits. Linux version.
+ Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* The kernel sources contain a file with all the needed information. */
+#include <linux/limits.h>
diff --git a/sysdeps/unix/sysv/linux/bits/msq.h b/sysdeps/unix/sysv/linux/bits/msq.h
new file mode 100644
index 0000000000..0abc10f6e5
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/msq.h
@@ -0,0 +1,78 @@
+/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_MSQ_BUF_H
+
+#define _SYS_MSQ_BUF_H 1
+#include <features.h>
+
+#include <sys/types.h>
+
+/* Define options for message queue functions. */
+#define MSG_NOERROR 010000 /* no error if message is too big */
+#define MSG_EXCEPT 020000 /* recv any msg except of specified type */
+
+
+__BEGIN_DECLS
+
+/* Structure of record for one message inside the kernel.
+ The type `struct __msg' is opaque. */
+struct msqid_ds
+{
+ struct ipc_perm msg_perm; /* structure describing operation permission */
+ struct msg *__msg_first; /* pointer to first message on queue */
+ struct msg *__msg_last; /* pointer to last message on queue */
+ __time_t msg_stime; /* time of last msgsnd command */
+ __time_t msg_rtime; /* time of last msgrcv command */
+ __time_t msg_ctime; /* time of last change */
+ struct wait_queue *__wwait; /* ??? */
+ struct wait_queue *__rwait; /* ??? */
+ unsigned short int __msg_cbytes;/* current number of bytes on queue */
+ unsigned short int msg_qnum; /* number of messages currently on queue */
+ unsigned short int msg_qbytes;/* max number of bytes allowed on queue */
+ int msg_lspid; /* pid of last msgsnd() */
+ int msg_lrpid; /* pid of last msgrcv() */
+};
+
+#ifdef __USE_MISC
+
+#define msg_cbytes __msg_cbytes
+
+/* ipcs ctl commands */
+#define MSG_STAT 11
+#define MSG_INFO 12
+
+/* buffer for msgctl calls IPC_INFO, MSG_INFO */
+struct msginfo
+{
+ int msgpool;
+ int msgmap;
+ int msgmax;
+ int msgmnb;
+ int msgmni;
+ int msgssz;
+ int msgtql;
+ ushort msgseg;
+};
+
+#endif /* __USE_MISC */
+
+__END_DECLS
+
+#endif /* _SYS_MSQ_BUF_H */
diff --git a/sysdeps/unix/sysv/linux/bits/posix_opt.h b/sysdeps/unix/sysv/linux/bits/posix_opt.h
new file mode 100644
index 0000000000..e9f8b7f8f3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/posix_opt.h
@@ -0,0 +1,73 @@
+/* Define POSIX options for Linux.
+ Copyright (C) 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * Never include this file directly; use <unistd.h> instead.
+ */
+
+#ifndef _BITS_POSIX_OPT_H
+#define _BITS_POSIX_OPT_H 1
+
+/* Job control is supported. */
+#define _POSIX_JOB_CONTROL 1
+
+/* Processes have a saved set-user-ID and a saved set-group-ID. */
+#define _POSIX_SAVED_IDS 1
+
+/* Priority scheduling is supported. */
+#define _POSIX_PRIORITY_SCHEDULING 1
+
+/* Synchronizing file data is supported. */
+#define _POSIX_SYNCHRONIZED_IO 1
+
+/* The fsync function is present. */
+#define _POSIX_FSYNC 1
+
+/* Mapping of files to memory is supported. */
+#define _POSIX_MAPPED_FILES 1
+
+/* Locking of all memory is supported. */
+#define _POSIX_MEMLOCK 1
+
+/* Locking of ranges of memory is supported. */
+#define _POSIX_MEMLOCK_RANGE 1
+
+/* Setting of memory protections is supported. */
+#define _POSIX_MEMORY_PROTECTION 1
+
+/* Implementation supports `poll' function. */
+#define _POSIX_POLL 1
+
+/* Implementation supports `select' and `pselect' functions. */
+#define _POSIX_SELECT 1
+
+/* Only root can change owner of file. */
+#define _POSIX_CHOWN_RESTRICTED 1
+
+/* `c_cc' member of 'struct termios' structure can be disabled by
+ using the value _POSIX_VDISABLE. */
+#define _POSIX_VDISABLE '\0'
+
+/* Filenames are not silently truncated. */
+#define _POSIX_NO_TRUNC 1
+
+/* XPG4.2 shared memory is supported. */
+#define _XOPEN_SHM 1
+
+#endif /* bits/posix_opt.h */
diff --git a/sysdeps/unix/sysv/linux/bits/resource.h b/sysdeps/unix/sysv/linux/bits/resource.h
new file mode 100644
index 0000000000..05cae83244
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/resource.h
@@ -0,0 +1,186 @@
+/* Bit values & structures for resource limits. Linux version.
+ Copyright (C) 1994, 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <asm/resource.h>
+
+/* Transmute defines to enumerations. The macro re-definitions are
+ necessary because some programs want to test for operating system
+ features with #ifdef RUSAGE_SELF. In ISO C the reflexive
+ definition is a no-op. */
+
+/* Kinds of resource limit. */
+enum __rlimit_resource
+{
+ /* Per-process CPU limit, in seconds. */
+ _RLIMIT_CPU = RLIMIT_CPU,
+#undef RLIMIT_CPU
+ RLIMIT_CPU = _RLIMIT_CPU,
+#define RLIMIT_CPU RLIMIT_CPU
+
+ /* Largest file that can be created, in bytes. */
+ _RLIMIT_FSIZE = RLIMIT_FSIZE,
+#undef RLIMIT_FSIZE
+ RLIMIT_FSIZE = _RLIMIT_FSIZE,
+#define RLIMIT_FSIZE RLIMIT_FSIZE
+
+ /* Maximum size of data segment, in bytes. */
+ _RLIMIT_DATA = RLIMIT_DATA,
+#undef RLIMIT_DATA
+ RLIMIT_DATA = _RLIMIT_DATA,
+#define RLIMIT_DATA RLIMIT_DATA
+
+ /* Maximum size of stack segment, in bytes. */
+ _RLIMIT_STACK = RLIMIT_STACK,
+#undef RLIMIT_STACK
+ RLIMIT_STACK = _RLIMIT_STACK,
+#define RLIMIT_STACK RLIMIT_STACK
+
+ /* Largest core file that can be created, in bytes. */
+ _RLIMIT_CORE = RLIMIT_CORE,
+#undef RLIMIT_CORE
+ RLIMIT_CORE = _RLIMIT_CORE,
+#define RLIMIT_CORE RLIMIT_CORE
+
+ /* Largest resident set size, in bytes.
+ This affects swapping; processes that are exceeding their
+ resident set size will be more likely to have physical memory
+ taken from them. */
+ _RLIMIT_RSS = RLIMIT_RSS,
+#undef RLIMIT_RSS
+ RLIMIT_RSS = _RLIMIT_RSS,
+#define RLIMIT_RSS RLIMIT_RSS
+
+ /* Number of open files. */
+ _RLIMIT_NOFILE = RLIMIT_NOFILE,
+#undef RLIMIT_NOFILE
+ RLIMIT_NOFILE = _RLIMIT_NOFILE,
+ RLIMIT_OFILE = RLIMIT_NOFILE, /* BSD name for same. */
+#define RLIMIT_NOFILE RLIMIT_NOFILE
+#define RLIMIT_OFILE RLIMIT_OFILE
+
+ /* Address space limit (?) */
+ _RLIMIT_AS = RLIMIT_AS,
+#undef RLIMIT_AS
+ RLIMIT_AS = _RLIMIT_AS,
+#define RLIMIT_AS RLIMIT_AS
+
+ /* Number of processes. */
+ _RLIMIT_NPROC = RLIMIT_NPROC,
+#undef RLIMIT_NPROC
+ RLIMIT_NPROC = _RLIMIT_NPROC,
+#define RLIMIT_NPROC RLIMIT_NPROC
+
+ /* Locked-in-memory address space. */
+ _RLIMIT_MEMLOCK = RLIMIT_MEMLOCK,
+#undef RLIMIT_MEMLOCK
+ RLIMIT_MEMLOCK = _RLIMIT_MEMLOCK,
+#define RLIMIT_MEMLOCK RLIMIT_MEMLOCK
+
+ RLIMIT_NLIMITS = RLIM_NLIMITS,
+#undef RLIM_NLIMITS
+ RLIM_NLIMITS = RLIMIT_NLIMITS,
+#define RLIMIT_NLIMITS RLIMIT_NLIMITS
+#define RLIM_NLIMITS RLIM_NLIMITS
+
+ /* Value to indicate that there is no limit. */
+ RLIM_INFINITY = (long int)(~0UL >> 1)
+#define RLIM_INFINITY RLIM_INFINITY
+};
+
+struct rlimit
+{
+ /* The current (soft) limit. */
+ long int rlim_cur;
+ /* The hard limit. */
+ long int rlim_max;
+};
+
+/* Whose usage statistics do you want? */
+enum __rusage_who
+{
+ /* The calling process. */
+ RUSAGE_SELF = 0,
+#define RUSAGE_SELF RUSAGE_SELF
+
+ /* All of its terminated child processes. */
+ RUSAGE_CHILDREN = -1,
+#define RUSAGE_CHILDREN RUSAGE_CHILDREN
+
+ /* Both. */
+ RUSAGE_BOTH = -2
+#define RUSAGE_BOTH RUSAGE_BOTH
+};
+
+#include <sys/time.h> /* For `struct timeval'. */
+
+/* Structure which says how much of each resource has been used. */
+struct rusage
+{
+ /* Total amount of user time used. */
+ struct timeval ru_utime;
+ /* Total amount of system time used. */
+ struct timeval ru_stime;
+ /* Maximum resident set size (in kilobytes). */
+ long int ru_maxrss;
+ /* Amount of sharing of text segment memory
+ with other processes (kilobyte-seconds). */
+ long int ru_ixrss;
+ /* Amount of data segment memory used (kilobyte-seconds). */
+ long int ru_idrss;
+ /* Amount of stack memory used (kilobyte-seconds). */
+ long int ru_isrss;
+ /* Number of soft page faults (i.e. those serviced by reclaiming
+ a page from the list of pages awaiting reallocation. */
+ long int ru_minflt;
+ /* Number of hard page faults (i.e. those that required I/O). */
+ long int ru_majflt;
+ /* Number of times a process was swapped out of physical memory. */
+ long int ru_nswap;
+ /* Number of input operations via the file system. Note: This
+ and `ru_oublock' do not include operations with the cache. */
+ long int ru_inblock;
+ /* Number of output operations via the file system. */
+ long int ru_oublock;
+ /* Number of IPC messages sent. */
+ long int ru_msgsnd;
+ /* Number of IPC messages received. */
+ long int ru_msgrcv;
+ /* Number of signals delivered. */
+ long int ru_nsignals;
+ /* Number of voluntary context switches, i.e. because the process
+ gave up the process before it had to (usually to wait for some
+ resource to be available). */
+ long int ru_nvcsw;
+ /* Number of involuntary context switches, i.e. a higher priority process
+ became runnable or the current process used up its time slice. */
+ long int ru_nivcsw;
+};
+
+/* Priority limits. */
+#define PRIO_MIN -20 /* Minimum priority a process can have. */
+#define PRIO_MAX 20 /* Maximum priority a process can have. */
+
+/* The type of the WHICH argument to `getpriority' and `setpriority',
+ indicating what flavor of entity the WHO argument specifies. */
+enum __priority_which
+{
+ PRIO_PROCESS = 0, /* WHO is a process ID. */
+ PRIO_PGRP = 1, /* WHO is a process group ID. */
+ PRIO_USER = 2 /* WHO is a user ID. */
+};
diff --git a/sysdeps/unix/sysv/linux/bits/sched.h b/sysdeps/unix/sysv/linux/bits/sched.h
new file mode 100644
index 0000000000..521bbb7177
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/sched.h
@@ -0,0 +1,54 @@
+/* Definitions of constants and data structure for POSIX 1003.1b-1993
+ scheduling interface.
+ Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SCHED_H
+#error "Never use <bits/sched.h> directly; include <sched.h> instead."
+#endif
+
+
+#include <features.h>
+
+/* Scheduling algorithms. */
+#define SCHED_OTHER 0
+#define SCHED_FIFO 1
+#define SCHED_RR 2
+
+/* Data structure to describe a process' schedulability. */
+struct sched_param
+ {
+ int sched_priority;
+ };
+
+/* Cloning flags. */
+#define CSIGNAL 0x000000ff /* Signal mask to be sent at exit. */
+#define CLONE_VM 0x00000100 /* Set if VM shared between processes. */
+#define CLONE_FS 0x00000200 /* Set if fs info shared between processes.*/
+#define CLONE_FILES 0x00000400 /* Set if open files shared between processes*/
+#define CLONE_SIGHAND 0x00000800 /* Set if signal handlers shared. */
+#define CLONE_PID 0x00001000 /* Set if pid shared. */
+
+
+/* Clone current process. */
+extern int __clone __P ((int (*__fn) (void *__arg), void *__child_stack,
+ int __flags, void *__arg));
+#ifdef __USE_MISC
+extern int clone __P ((int (*__fn) (void *__arg), void *__child_stack,
+ int __flags, void *__arg));
+#endif
diff --git a/sysdeps/unix/sysv/linux/bits/sem.h b/sysdeps/unix/sysv/linux/bits/sem.h
new file mode 100644
index 0000000000..049a71bc47
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/sem.h
@@ -0,0 +1,88 @@
+/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_SEM_BUF_H
+
+#define _SYS_SEM_BUF_H 1
+#include <features.h>
+
+#include <sys/types.h>
+
+/* Flags for `semop'. */
+#define SEM_UNDO 0x1000 /* undo the operation on exit */
+
+/* Commands for `semctl'. */
+#define GETPID 11 /* get sempid */
+#define GETVAL 12 /* get semval */
+#define GETALL 13 /* get all semval's */
+#define GETNCNT 14 /* get semncnt */
+#define GETZCNT 15 /* get semzcnt */
+#define SETVAL 16 /* set semval */
+#define SETALL 17 /* set all semval's */
+
+
+__BEGIN_DECLS
+
+/* Data structure describing a set of semaphores. */
+struct semid_ds
+{
+ struct ipc_perm sem_perm; /* operation permission struct */
+ __time_t sem_otime; /* last semop() time */
+ __time_t sem_ctime; /* last time changed by semctl() */
+ struct sem *__sembase; /* ptr to first semaphore in array */
+ struct sem_queue *__sem_pending; /* pending operations */
+ struct sem_queue *__sem_pending_last; /* last pending operation */
+ struct sem_undo *__undo; /* ondo requests on this array */
+ unsigned short int sem_nsems; /* number of semaphores in set */
+};
+
+/* Union used for argument for `semctl'. */
+union semun
+{
+ int val; /* value for SETVAL */
+ struct semid_ds *buf; /* buffer for IPC_STAT & IPC_SET */
+ unsigned short int *array; /* array for GETALL & SETALL */
+ struct seminfo *__buf; /* buffer for IPC_INFO */
+};
+
+#ifdef __USE_MISC
+
+/* ipcs ctl cmds */
+#define SEM_STAT 18
+#define SEM_INFO 19
+
+struct seminfo
+{
+ int semmap;
+ int semmni;
+ int semmns;
+ int semmnu;
+ int semmsl;
+ int semopm;
+ int semume;
+ int semusz;
+ int semvmx;
+ int semaem;
+};
+
+#endif /* __USE_MISC */
+
+__END_DECLS
+
+#endif /* _SYS_SEM_BUF_H */
diff --git a/sysdeps/unix/sysv/linux/bits/shm.h b/sysdeps/unix/sysv/linux/bits/shm.h
new file mode 100644
index 0000000000..642b7bd191
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/shm.h
@@ -0,0 +1,92 @@
+/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_SHM_BUF_H
+
+#define _SYS_SHM_BUF_H 1
+#include <features.h>
+
+#include <sys/types.h>
+
+/* Permission flag for shmget. */
+#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
+#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+
+/* Flags for `shmat'. */
+#define SHM_RDONLY 010000 /* attach read-only else read-write */
+#define SHM_RND 020000 /* round attach address to SHMLBA */
+#define SHM_REMAP 040000 /* take-over region on attach */
+
+/* Commands for `shmctl'. */
+#define SHM_LOCK 11 /* lock segment (root only) */
+#define SHM_UNLOCK 12 /* unlock segment (root only) */
+
+
+__BEGIN_DECLS
+
+/* Data structure describing a set of semaphores. */
+struct shmid_ds
+{
+ struct ipc_perm shm_perm; /* operation permission struct */
+ int shm_segsz; /* size of segment in bytes */
+ __time_t shm_atime; /* time of last shmat() */
+ __time_t shm_dtime; /* time of last shmdt() */
+ __time_t shm_ctime; /* time of last change by shmctl() */
+ int shm_cpid; /* pid of creator */
+ int shm_lpid; /* pid of last shmop */
+ unsigned short int shm_nattch; /* number of current attaches */
+ unsigned short int __shm_npages; /* size of segment (pages) */
+ unsigned long int *__shm_pages; /* array of ptrs to frames -> SHMMAX */
+ struct vm_area_struct *__attaches; /* descriptors for attaches */
+};
+
+#ifdef __USE_MISC
+
+/* ipcs ctl commands */
+#define SHM_STAT 13
+#define SHM_INFO 14
+
+/* shm_mode upper byte flags */
+#define SHM_DEST 01000 /* segment will be destroyed on last detach */
+#define SHM_LOCKED 02000 /* segment will not be swapped */
+
+struct shminfo
+{
+ int shmmax;
+ int shmmin;
+ int shmmni;
+ int shmseg;
+ int shmall;
+};
+
+struct shm_info
+{
+ int used_ids;
+ ulong shm_tot; /* total allocated shm */
+ ulong shm_rss; /* total resident shm */
+ ulong shm_swp; /* total swapped shm */
+ ulong swap_attempts;
+ ulong swap_successes;
+};
+
+#endif /* __USE_MISC */
+
+__END_DECLS
+
+#endif /* _SYS_SHM_BUF_H */
diff --git a/sysdeps/unix/sysv/linux/bits/sigaction.h b/sysdeps/unix/sysv/linux/bits/sigaction.h
new file mode 100644
index 0000000000..13a6a03248
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/sigaction.h
@@ -0,0 +1,54 @@
+/* The proper definitions for Linux's sigaction.
+ Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* Structure describing the action to be taken when a signal arrives. */
+struct sigaction
+ {
+ /* Signal handler. */
+ __sighandler_t sa_handler;
+
+ /* Additional set of signals to be blocked. */
+ __sigset_t sa_mask;
+
+ /* Special flags. */
+ int sa_flags;
+
+ /* Restore handler. */
+ void (*sa_restorer) __P ((void));
+ };
+
+/* Bits in `sa_flags'. */
+#define SA_NOCLDSTOP 1 /* Don't send SIGCHLD when children stop. */
+#ifdef __USE_MISC
+#define SA_STACK 0x08000000 /* Use signal stack by using `sa_restorer'. */
+#define SA_RESTART 0x10000000 /* Don't restart syscall on signal return. */
+#define SA_INTERRUPT 0x20000000 /* Historical no-op. */
+#define SA_NODEFER 0x40000000 /* Don't automatically block the signal when
+ its handler is being executed. */
+#define SA_RESETHAND 0x80000000 /* Reset to SIG_DFL on entry to handler. */
+
+/* Some aliases for the SA_ constants. */
+#define SA_NOMASK SA_NODEFER
+#define SA_ONESHOT SA_RESETHAND
+#endif
+
+/* Values for the HOW argument to `sigprocmask'. */
+#define SIG_BLOCK 0 /* Block signals. */
+#define SIG_UNBLOCK 1 /* Unblock signals. */
+#define SIG_SETMASK 2 /* Set the set of blocked signals. */
diff --git a/sysdeps/unix/sysv/linux/bits/sigcontext.h b/sysdeps/unix/sysv/linux/bits/sigcontext.h
new file mode 100644
index 0000000000..fb8bc5fc57
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/sigcontext.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SIGNAL_H
+#error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
+#endif
+
+
+/* Kernel headers before 2.1.1 define a struct sigcontext_struct, but
+ we need sigcontext. */
+#define sigcontext_struct sigcontext
+
+#include <asm/sigcontext.h>
diff --git a/sysdeps/unix/sysv/linux/bits/signum.h b/sysdeps/unix/sysv/linux/bits/signum.h
new file mode 100644
index 0000000000..d8a716f2e0
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/signum.h
@@ -0,0 +1,66 @@
+/* Signal number definitions. Linux version.
+ Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifdef _SIGNAL_H
+
+/* Fake signal functions. */
+#define SIG_ERR ((__sighandler_t) -1) /* Error return. */
+#define SIG_DFL ((__sighandler_t) 0) /* Default action. */
+#define SIG_IGN ((__sighandler_t) 1) /* Ignore signal. */
+
+
+/* Signals. */
+#define SIGHUP 1 /* Hangup (POSIX). */
+#define SIGINT 2 /* Interrupt (ANSI). */
+#define SIGQUIT 3 /* Quit (POSIX). */
+#define SIGILL 4 /* Illegal instruction (ANSI). */
+#define SIGTRAP 5 /* Trace trap (POSIX). */
+#define SIGABRT 6 /* Abort (ANSI). */
+#define SIGIOT 6 /* IOT trap (4.2 BSD). */
+#define SIGBUS 7 /* BUS error (4.2 BSD). */
+#define SIGFPE 8 /* Floating-point exception (ANSI). */
+#define SIGKILL 9 /* Kill, unblockable (POSIX). */
+#define SIGUSR1 10 /* User-defined signal 1 (POSIX). */
+#define SIGSEGV 11 /* Segmentation violation (ANSI). */
+#define SIGUSR2 12 /* User-defined signal 2 (POSIX). */
+#define SIGPIPE 13 /* Broken pipe (POSIX). */
+#define SIGALRM 14 /* Alarm clock (POSIX). */
+#define SIGTERM 15 /* Termination (ANSI). */
+#define SIGSTKFLT 16 /* ??? */
+#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
+#define SIGCHLD 17 /* Child status has changed (POSIX). */
+#define SIGCONT 18 /* Continue (POSIX). */
+#define SIGSTOP 19 /* Stop, unblockable (POSIX). */
+#define SIGTSTP 20 /* Keyboard stop (POSIX). */
+#define SIGTTIN 21 /* Background read from tty (POSIX). */
+#define SIGTTOU 22 /* Background write to tty (POSIX). */
+#define SIGURG 23 /* Urgent condition on socket (4.2 BSD). */
+#define SIGXCPU 24 /* CPU limit exceeded (4.2 BSD). */
+#define SIGXFSZ 25 /* File size limit exceeded (4.2 BSD). */
+#define SIGVTALRM 26 /* Virtual alarm clock (4.2 BSD). */
+#define SIGPROF 27 /* Profiling alarm clock (4.2 BSD). */
+#define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */
+#define SIGPOLL SIGIO /* Pollable event occurred (System V). */
+#define SIGIO 29 /* I/O now possible (4.2 BSD). */
+#define SIGPWR 30 /* Power failure restart (System V). */
+#define SIGUNUSED 31
+
+#define _NSIG 32 /* Biggest signal number + 1. */
+
+#endif /* <signal.h> included. */
diff --git a/sysdeps/unix/sysv/linux/bits/sigset.h b/sysdeps/unix/sysv/linux/bits/sigset.h
new file mode 100644
index 0000000000..741ff9ac9d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/sigset.h
@@ -0,0 +1,123 @@
+/* __sig_atomic_t, __sigset_t, and related definitions. Linux version.
+ Copyright (C) 1991, 1992, 1994, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SIGSET_H_types
+#define _SIGSET_H_types 1
+
+typedef int __sig_atomic_t;
+
+/* A `sigset_t' has a bit for each signal. */
+
+#define _SIGSET_NWORDS (1024 / (8 * sizeof (unsigned long int)))
+typedef struct
+ {
+ unsigned long int __val[_SIGSET_NWORDS];
+ } __sigset_t;
+
+#endif
+
+
+/* We only want to define these functions if <signal.h> was actually
+ included; otherwise we were included just to define the types. Since we
+ are namespace-clean, it wouldn't hurt to define extra macros. But
+ trouble can be caused by functions being defined (e.g., any global
+ register vars declared later will cause compilation errors). */
+
+#if !defined (_SIGSET_H_fns) && defined (_SIGNAL_H)
+#define _SIGSET_H_fns 1
+
+#ifndef _EXTERN_INLINE
+#define _EXTERN_INLINE extern __inline
+#endif
+
+/* Return a mask that includes the bit for SIG only. */
+#define __sigmask(sig) \
+ (((unsigned long) 1) << (((sig) - 1) % (8 * sizeof (unsigned long int))))
+
+/* Return the word index for SIG. */
+#define __sigword(sig) (((sig) - 1) / (8 * sizeof (unsigned long int)))
+
+#if defined __GNUC__ && __GNUC__ >= 2
+# define __sigemptyset(set) \
+ (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
+ sigset_t *__set = (set); \
+ while (--__cnt >= 0) __set->__val[__cnt] = 0; \
+ 0; }))
+# define __sigfillset(set) \
+ (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
+ sigset_t *__set = (set); \
+ while (--__cnt >= 0) __set->__val[__cnt] = ~0UL; \
+ 0; }))
+
+# ifdef _GNU_SOURCE
+/* The POSIX does not specify for handling the whole signal set in one
+ command. This is often wanted and so we define three more functions
+ here. */
+# define __sigisemptyset(set) \
+ (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
+ const sigset_t *__set = (set); \
+ int __ret = __set->__val[--__cnt]; \
+ while (!__ret && --__cnt >= 0) \
+ __ret = __set->__val[__cnt]; \
+ __ret == 0; }))
+# define __sigandset(dest, left, right) \
+ (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
+ sigset_t *__dest = (dest); \
+ const sigset_t *__left = (left); \
+ const sigset_t *__right = (right); \
+ while (--__cnt >= 0) \
+ __dest->__val[__cnt] = (__left->__val[__cnt] \
+ & __right->__val[__cnt]); \
+ 0; }))
+# define __sigorset(dest, left, right) \
+ (__extension__ ({ int __cnt = _SIGSET_NWORDS; \
+ sigset_t *__dest = (dest); \
+ const sigset_t *__left = (left); \
+ const sigset_t *__right = (right); \
+ while (--__cnt >= 0) \
+ __dest->__val[__cnt] = (__left->__val[__cnt] \
+ | __right->__val[__cnt]); \
+ 0; }))
+# endif
+#endif
+
+/* These functions needn't check for a bogus signal number -- error
+ checking is done in the non __ versions. */
+
+extern int __sigismember (__const __sigset_t *, int);
+extern int __sigaddset (__sigset_t *, int);
+extern int __sigdelset (__sigset_t *, int);
+
+#define __SIGSETFN(NAME, BODY, CONST) \
+ _EXTERN_INLINE int \
+ NAME (CONST __sigset_t *__set, int __sig) \
+ { \
+ unsigned long int __mask = __sigmask (__sig); \
+ unsigned long int __word = __sigword (__sig); \
+ return BODY; \
+ }
+
+__SIGSETFN (__sigismember, (__set->__val[__word] & __mask) ? 1 : 0, __const)
+__SIGSETFN (__sigaddset, ((__set->__val[__word] |= __mask), 0), )
+__SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
+
+#undef __SIGSETFN
+
+
+#endif /* ! _SIGSET_H_fns. */
diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
new file mode 100644
index 0000000000..e3f53a97be
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/socket.h
@@ -0,0 +1,205 @@
+/* System-specific socket constants and types. Linux version.
+ Copyright (C) 1991, 92, 94, 95, 96, 97 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_SOCKET_H
+#error "Never include <bits/socket.h> directly; use <sys/socket.h> instead."
+#endif
+
+
+#include <features.h>
+
+#define __need_size_t
+#define __need_NULL
+#include <stddef.h>
+
+
+__BEGIN_DECLS
+
+/* Types of sockets. */
+enum __socket_type
+{
+ SOCK_STREAM = 1, /* Sequenced, reliable, connection-based
+ byte streams. */
+#define SOCK_STREAM SOCK_STREAM
+ SOCK_DGRAM = 2, /* Connectionless, unreliable datagrams
+ of fixed maximum length. */
+#define SOCK_DGRAM SOCK_DGRAM
+ SOCK_RAW = 3, /* Raw protocol interface. */
+#define SOCK_RAW SOCK_RAW
+ SOCK_RDM = 4, /* Reliably-delivered messages. */
+#define SOCK_RDM SOCK_RDM
+ SOCK_SEQPACKET = 5, /* Sequenced, reliable, connection-based,
+ datagrams of fixed maximum length. */
+#define SOCK_SEQPACKET SOCK_SEQPACKET
+ SOCK_PACKET = 10 /* Linux specific way of getting packets
+ at the dev level. For writing rarp and
+ other similar things on the user level. */
+#define SOCK_PACKET SOCK_PACKET
+};
+
+/* Protocol families. */
+#define PF_UNSPEC 0 /* Unspecified. */
+#define PF_LOCAL 1 /* Local to host (pipes and file-domain). */
+#define PF_UNIX PF_LOCAL /* Old BSD name for PF_LOCAL. */
+#define PF_FILE PF_LOCAL /* POSIX name for PF_LOCAL. */
+#define PF_INET 2 /* IP protocol family. */
+#define PF_AX25 3 /* Amateur Radio AX.25. */
+#define PF_IPX 4 /* Novell Internet Protocol. */
+#define PF_APPLETALK 5 /* Don't use this. */
+#define PF_NETROM 6 /* Amateur radio NetROM. */
+#define PF_BRIDGE 7 /* Multiprotocol bridge. */
+#define PF_AAL5 8 /* Reserved for Werner's ATM. */
+#define PF_X25 9 /* Reserved for X.25 project. */
+#define PF_INET6 10 /* IP version 6. */
+#define PF_MAX 12 /* For now.. */
+
+/* Address families. */
+#define AF_UNSPEC PF_UNSPEC
+#define AF_LOCAL PF_LOCAL
+#define AF_UNIX PF_UNIX
+#define AF_FILE PF_FILE
+#define AF_INET PF_INET
+#define AF_AX25 PF_AX25
+#define AF_IPX PF_IPX
+#define AF_APPLETALK PF_APPLETALK
+#define AF_NETROM PF_NETROM
+#define AF_BRIDGE PF_BRIDGE
+#define AF_AAL5 PF_AAL5
+#define AF_X25 PF_X25
+#define AF_INET6 PF_INET6
+#define AF_MAX PF_MAX
+
+/* Socket level values. Others are defined in the appropriate headers.
+
+ XXX These definitions also should go into the appropriate headers as
+ far as they are available. */
+#define SOL_IPV6 41
+#define SOL_ICMPV6 58
+#define SOL_RAW 255
+#define SOL_AX25 257
+#define SOL_ATALK 258
+#define SOL_NETROM 259
+#define SOL_ROSE 260
+#define SOL_DECNET 261
+#define SOL_X25 262
+
+/* Maximum queue length specifiable by listen. */
+#define SOMAXCONN 128
+
+/* Get the definition of the macro to define the common sockaddr members. */
+#include <bits/sockaddr.h>
+
+/* Structure describing a generic socket address. */
+struct sockaddr
+ {
+ __SOCKADDR_COMMON (sa_); /* Common data: address family and length. */
+ char sa_data[14]; /* Address data. */
+ };
+
+
+/* Bits in the FLAGS argument to `send', `recv', et al. */
+enum
+ {
+ MSG_OOB = 0x01, /* Process out-of-band data. */
+ MSG_PEEK = 0x02, /* Peek at incoming messages. */
+ MSG_DONTROUTE = 0x04, /* Don't use local routing. */
+ MSG_CTRUNC = 0x08, /* Control data lost before delivery. */
+ MSG_PROXY = 0x10 /* Supply or ask second address. */
+ };
+
+
+/* Structure describing messages sent by
+ `sendmsg' and received by `recvmsg'. */
+struct msghdr
+ {
+ __ptr_t msg_name; /* Address to send to/receive from. */
+ int msg_namelen; /* Length of address data. */
+ /* XXX Should be type `size_t' according to POSIX.1g. */
+
+ struct iovec *msg_iov; /* Vector of data to send/receive into. */
+ size_t msg_iovlen; /* Number of elements in the vector. */
+
+ __ptr_t msg_control; /* Ancillary data (eg BSD filedesc passing). */
+ size_t msg_controllen; /* Ancillary data buffer length. */
+ int msg_flags; /* Flags on received message. */
+ };
+
+/* Structure used for storage of ancillary data object information. */
+struct cmsghdr
+ {
+ size_t cmsg_len; /* Length of data in cmsg_data plus length
+ of cmsghdr structure. */
+ int cmsg_level; /* Originating protocol. */
+ int cmsg_type; /* Protocol specific type. */
+#if !defined __STRICT_ANSI__ && defined __GNUC__ && __GNUC__ >= 2
+ unsigned char __cmsg_data[0]; /* Ancillary data. */
+#endif
+ };
+
+/* Ancillary data object manipulation macros. */
+#if !defined __STRICT_ANSI__ && defined __GNUC__ && __GNUC__ >= 2
+# define CMSG_DATA(cmsg) ((cmsg)->__cmsg_data)
+#else
+# define CMSG_DATA(cmsg) ((unsigned char *) ((struct cmsghdr *) (cmsg) + 1))
+#endif
+#define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr (mhdr, cmsg)
+#define CMSG_FIRSTHDR(mhdr) \
+ ((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr) \
+ ? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) NULL)
+#define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) \
+ & ~(sizeof (size_t) - 1))
+#define CMSG_SPACE(len) (CMSG_ALIGN (len) \
+ + CMSG_ALIGN (sizeof (struct cmsghdr)))
+#define CMSG_LEN(len) (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len))
+
+#ifndef _EXTERN_INLINE
+# define _EXTERN_INLINE extern __inline
+#endif
+extern struct cmsghdr *__cmsg_nxthdr __P ((struct msghdr *__mhdr,
+ struct cmsghdr *__cmsg));
+_EXTERN_INLINE struct cmsghdr *
+__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg)
+{
+ unsigned char *__p;
+
+ if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
+ /* The kernel header does this so there may be a reason. */
+ return NULL;
+
+ __p = (((unsigned char *) __cmsg)
+ + ((__cmsg->cmsg_len + sizeof (long int) - 1) & ~sizeof (long int)));
+ if (__p >= (unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)
+ /* No more entries. */
+ return NULL;
+ return (struct cmsghdr *) __p;
+}
+
+
+/* Get socket manipulation related informations from kernel headers. */
+#include <asm/socket.h>
+
+
+/* Structure used to manipulate the SO_LINGER option. */
+struct linger
+ {
+ int l_onoff; /* Nonzero to linger on close. */
+ int l_linger; /* Time to linger. */
+ };
+
+__END_DECLS
diff --git a/sysdeps/unix/sysv/linux/bits/stat.h b/sysdeps/unix/sysv/linux/bits/stat.h
new file mode 100644
index 0000000000..1c6e5f84ca
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/stat.h
@@ -0,0 +1,88 @@
+/* Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * Never include this file directly; use <sys/stat.h> instead.
+ */
+
+#ifndef _BITS_STAT_H
+#define _BITS_STAT_H 1
+
+/* Versions of the `struct stat' data structure. */
+#define _STAT_VER_LINUX_OLD 1
+#define _STAT_VER_SVR4 2
+#define _STAT_VER_LINUX 3
+#define _STAT_VER _STAT_VER_LINUX /* The one defined below. */
+
+/* Versions of the `xmknod' interface. */
+#define _MKNOD_VER_LINUX 1
+#define _MKNOD_VER_SVR4 2
+#define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. */
+
+
+struct stat
+ {
+ __dev_t st_dev; /* Device. */
+ unsigned short int __pad1;
+ __ino_t st_ino; /* File serial number. */
+ __mode_t st_mode; /* File mode. */
+ __nlink_t st_nlink; /* Link count. */
+ __uid_t st_uid; /* User ID of the file's owner. */
+ __gid_t st_gid; /* Group ID of the file's group.*/
+ __dev_t st_rdev; /* Device number, if device. */
+ unsigned short int __pad2;
+ __off_t st_size; /* Size of file, in bytes. */
+ unsigned long int st_blksize; /* Optimal block size for I/O. */
+#define _STATBUF_ST_BLKSIZE /* Tell code we have this member. */
+
+ unsigned long int st_blocks; /* Number of 512-byte blocks allocated. */
+ __time_t st_atime; /* Time of last access. */
+ unsigned long int __unused1;
+ __time_t st_mtime; /* Time of last modification. */
+ unsigned long int __unused2;
+ __time_t st_ctime; /* Time of last status change. */
+ unsigned long int __unused3;
+ unsigned long int __unused4;
+ unsigned long int __unused5;
+ };
+
+/* Encoding of the file mode. */
+
+#define __S_IFMT 0170000 /* These bits determine file type. */
+
+/* File types. */
+#define __S_IFDIR 0040000 /* Directory. */
+#define __S_IFCHR 0020000 /* Character device. */
+#define __S_IFBLK 0060000 /* Block device. */
+#define __S_IFREG 0100000 /* Regular file. */
+#define __S_IFIFO 0010000 /* FIFO. */
+
+/* These don't actually exist on System V, but having them doesn't hurt. */
+#define __S_IFLNK 0120000 /* Symbolic link. */
+#define __S_IFSOCK 0140000 /* Socket. */
+
+/* Protection bits. */
+
+#define __S_ISUID 04000 /* Set user ID on execution. */
+#define __S_ISGID 02000 /* Set group ID on execution. */
+#define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
+#define __S_IREAD 0400 /* Read by owner. */
+#define __S_IWRITE 0200 /* Write by owner. */
+#define __S_IEXEC 0100 /* Execute by owner. */
+
+#endif /* bits/stat.h */
diff --git a/sysdeps/unix/sysv/linux/bits/statfs.h b/sysdeps/unix/sysv/linux/bits/statfs.h
new file mode 100644
index 0000000000..8b9501423c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/statfs.h
@@ -0,0 +1,42 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * Never include this file directly; use <sys/statfs.h> instead.
+ */
+
+#ifndef _BITS_STATFS_H
+#define _BITS_STATFS_H
+
+#include <bits/types.h> /* for __fsid_t */
+
+struct statfs
+ {
+ int f_type;
+ int f_bsize;
+ int f_blocks;
+ int f_bfree;
+ int f_bavail;
+ int f_files;
+ int f_ffree;
+ __fsid_t f_fsid;
+ int f_namelen;
+ int f_spare[6];
+ };
+
+#endif /* bits/statfs.h */
diff --git a/sysdeps/unix/sysv/linux/bits/termios.h b/sysdeps/unix/sysv/linux/bits/termios.h
new file mode 100644
index 0000000000..dd42012374
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/termios.h
@@ -0,0 +1,189 @@
+/* termios type and macro definitions. Linux version.
+ Copyright (C) 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * Never include this file directly; use <termios.h> instead.
+ */
+
+
+#ifndef _BITS_TERMIOS_H
+#define _BITS_TERMIOS_H 1
+
+typedef unsigned char cc_t;
+typedef unsigned int speed_t;
+typedef unsigned int tcflag_t;
+
+#define NCCS 32
+struct termios
+ {
+ tcflag_t c_iflag; /* input mode flags */
+ tcflag_t c_oflag; /* output mode flags */
+ tcflag_t c_cflag; /* control mode flags */
+ tcflag_t c_lflag; /* local mode flags */
+ cc_t c_line; /* line discipline */
+ cc_t c_cc[NCCS]; /* control characters */
+ speed_t c_ispeed; /* input speed */
+ speed_t c_ospeed; /* output speed */
+ };
+
+/* c_cc characters */
+#define VINTR 0
+#define VQUIT 1
+#define VERASE 2
+#define VKILL 3
+#define VEOF 4
+#define VTIME 5
+#define VMIN 6
+#define VSWTC 7
+#define VSTART 8
+#define VSTOP 9
+#define VSUSP 10
+#define VEOL 11
+#define VREPRINT 12
+#define VDISCARD 13
+#define VWERASE 14
+#define VLNEXT 15
+#define VEOL2 16
+
+/* c_iflag bits */
+#define IGNBRK 0000001
+#define BRKINT 0000002
+#define IGNPAR 0000004
+#define PARMRK 0000010
+#define INPCK 0000020
+#define ISTRIP 0000040
+#define INLCR 0000100
+#define IGNCR 0000200
+#define ICRNL 0000400
+#define IUCLC 0001000
+#define IXON 0002000
+#define IXANY 0004000
+#define IXOFF 0010000
+#define IMAXBEL 0020000
+
+/* c_oflag bits */
+#define OPOST 0000001
+#define OLCUC 0000002
+#define ONLCR 0000004
+#define OCRNL 0000010
+#define ONOCR 0000020
+#define ONLRET 0000040
+#define OFILL 0000100
+#define OFDEL 0000200
+#define NLDLY 0000400
+#define NL0 0000000
+#define NL1 0000400
+#define CRDLY 0003000
+#define CR0 0000000
+#define CR1 0001000
+#define CR2 0002000
+#define CR3 0003000
+#define TABDLY 0014000
+#define TAB0 0000000
+#define TAB1 0004000
+#define TAB2 0010000
+#define TAB3 0014000
+#define XTABS 0014000
+#define BSDLY 0020000
+#define BS0 0000000
+#define BS1 0020000
+#define VTDLY 0040000
+#define VT0 0000000
+#define VT1 0040000
+#define FFDLY 0100000
+#define FF0 0000000
+#define FF1 0100000
+
+/* c_cflag bit meaning */
+#define CBAUD 0010017
+#define B0 0000000 /* hang up */
+#define B50 0000001
+#define B75 0000002
+#define B110 0000003
+#define B134 0000004
+#define B150 0000005
+#define B200 0000006
+#define B300 0000007
+#define B600 0000010
+#define B1200 0000011
+#define B1800 0000012
+#define B2400 0000013
+#define B4800 0000014
+#define B9600 0000015
+#define B19200 0000016
+#define B38400 0000017
+#define EXTA B19200
+#define EXTB B38400
+#define CSIZE 0000060
+#define CS5 0000000
+#define CS6 0000020
+#define CS7 0000040
+#define CS8 0000060
+#define CSTOPB 0000100
+#define CREAD 0000200
+#define PARENB 0000400
+#define PARODD 0001000
+#define HUPCL 0002000
+#define CLOCAL 0004000
+#define CBAUDEX 0010000
+#define B57600 0010001
+#define B115200 0010002
+#define B230400 0010003
+#define B460800 0010004
+#define CIBAUD 002003600000 /* input baud rate (not used) */
+#define CRTSCTS 020000000000 /* flow control */
+
+/* c_lflag bits */
+#define ISIG 0000001
+#define ICANON 0000002
+#define XCASE 0000004
+#define ECHO 0000010
+#define ECHOE 0000020
+#define ECHOK 0000040
+#define ECHONL 0000100
+#define NOFLSH 0000200
+#define TOSTOP 0000400
+#define ECHOCTL 0001000
+#define ECHOPRT 0002000
+#define ECHOKE 0004000
+#define FLUSHO 0010000
+#define PENDIN 0040000
+#define IEXTEN 0100000
+
+/* tcflow() and TCXONC use these */
+#define TCOOFF 0
+#define TCOON 1
+#define TCIOFF 2
+#define TCION 3
+
+/* tcflush() and TCFLSH use these */
+#define TCIFLUSH 0
+#define TCOFLUSH 1
+#define TCIOFLUSH 2
+
+/* tcsetattr uses these */
+#define TCSANOW 0
+#define TCSADRAIN 1
+#define TCSAFLUSH 2
+
+
+#define _IOT_termios /* Hurd ioctl type field. */ \
+ _IOT (_IOTS (cflag_t), 4, _IOTS (cc_t), NCCS, _IOTS (speed_t), 2)
+
+#endif /* bits/termios.h */
diff --git a/sysdeps/unix/sysv/linux/bits/time.h b/sysdeps/unix/sysv/linux/bits/time.h
new file mode 100644
index 0000000000..509cb2ce32
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/time.h
@@ -0,0 +1,56 @@
+/* System-dependent timing definitions. Linux version.
+ Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * Never include this file directly; use <time.h> instead.
+ */
+
+#ifdef __need_timeval
+# undef __need_timeval
+# ifndef _STRUCT_TIMEVAL
+# define _STRUCT_TIMEVAL 1
+/* A time value that is accurate to the nearest
+ microsecond but also has a range of years. */
+struct timeval
+ {
+ time_t tv_sec; /* Seconds. */
+ time_t tv_usec; /* Microseconds. */
+ };
+# endif /* struct timeval */
+#endif /* need timeval */
+
+
+#ifndef _BITS_TIME_H
+#define _BITS_TIME_H 1
+
+/* ISO/IEC 9899:1990 7.12.1: <time.h>
+ The macro `CLOCKS_PER_SEC' is the number per second of the value
+ returned by the `clock' function. */
+/* CAE XSH, Issue 4, Version 2: <time.h>
+ The value of CLOCKS_PER_SEC is required to be 1 million on all
+ XSI-conformant systems. */
+# define CLOCKS_PER_SEC 1000000
+
+# ifndef __STRICT_ANSI__
+/* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
+ presents the real value for clock ticks per second for the system. */
+# define CLK_TCK 100
+# endif
+
+#endif /* bits/time.h */
diff --git a/sysdeps/unix/sysv/linux/bits/types.h b/sysdeps/unix/sysv/linux/bits/types.h
new file mode 100644
index 0000000000..34f4682b3c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/types.h
@@ -0,0 +1,103 @@
+/* Copyright (C) 1991, 92, 94, 95, 96, 97 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/*
+ * Never include this file directly; use <sys/types.h> instead.
+ */
+
+#ifndef _BITS_TYPES_H
+#define _BITS_TYPES_H 1
+
+#include <features.h>
+
+/* Convenience types. */
+typedef unsigned char __u_char;
+typedef unsigned short __u_short;
+typedef unsigned int __u_int;
+typedef unsigned long __u_long;
+#ifdef __GNUC__
+typedef unsigned long long int __u_quad_t;
+typedef long long int __quad_t;
+#else
+typedef struct
+ {
+ long int __val[2];
+ } __quad_t;
+typedef struct
+ {
+ __u_long __val[2];
+ } __u_quad_t;
+#endif
+typedef signed char __int8_t;
+typedef unsigned char __uint8_t;
+typedef signed short int __int16_t;
+typedef unsigned short int __uint16_t;
+typedef signed int __int32_t;
+typedef unsigned int __uint32_t;
+#ifdef __GNUC__
+typedef signed long long int __int64_t;
+typedef unsigned long long int __uint64_t;
+#endif
+typedef __quad_t *__qaddr_t;
+
+typedef __u_quad_t __dev_t; /* Type of device numbers. */
+typedef __u_int __uid_t; /* Type of user identifications. */
+typedef __u_int __gid_t; /* Type of group identifications. */
+typedef __u_long __ino_t; /* Type of file serial numbers. */
+typedef __u_int __mode_t; /* Type of file attribute bitmasks. */
+typedef __u_int __nlink_t; /* Type of file link counts. */
+typedef long int __off_t; /* Type of file sizes and offsets. */
+typedef __quad_t __loff_t; /* Type of file sizes and offsets. */
+typedef int __pid_t; /* Type of process identifications. */
+typedef int __ssize_t; /* Type of a byte count, or error. */
+
+typedef struct
+ {
+ int __val[2];
+ } __fsid_t; /* Type of file system IDs. */
+
+/* Everythin' else. */
+typedef int __daddr_t; /* The type of a disk address. */
+typedef char *__caddr_t;
+typedef long int __time_t;
+typedef long int __swblk_t; /* Type of a swap block maybe? */
+
+typedef long int __clock_t;
+
+/* One element in the file descriptor mask array. */
+typedef unsigned long int __fd_mask;
+
+/* Number of descriptors that can fit in an `fd_set'. */
+#define __FD_SETSIZE 1024
+
+/* It's easier to assume 8-bit bytes than to get CHAR_BIT. */
+#define __NFDBITS (8 * sizeof (__fd_mask))
+#define __FDELT(d) ((d) / __NFDBITS)
+#define __FDMASK(d) (1 << ((d) % __NFDBITS))
+
+/* fd_set for select and pselect. */
+typedef struct
+ {
+ /* XPG4.2 requires this member name. */
+ __fd_mask fds_bits[__FD_SETSIZE / __NFDBITS];
+ } __fd_set;
+
+
+typedef int __key_t;
+
+#endif /* bits/types.h */
diff --git a/sysdeps/unix/sysv/linux/bits/uio.h b/sysdeps/unix/sysv/linux/bits/uio.h
new file mode 100644
index 0000000000..3f1dc01c73
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/uio.h
@@ -0,0 +1,46 @@
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_UIO_H
+#error "Never use <bits/uio.h> directly; include <sys/uio.h> instead."
+#endif
+
+
+#include <sys/types.h>
+
+
+/* We should normally use the Linux kernel header file to define this
+ type and macros but this calls for trouble because of the header
+ includes other kernel headers. */
+
+/* Size of object which can be written atomically.
+
+ This macro has different values in different kernel versions. The
+ latest versions of ther kernel use 1024 and this is good choice. Since
+ the C library implementation of readv/writev is able to emulate the
+ functionality even if the currently running kernel does not support
+ this large value the readv/writev call will not fail because of this. */
+#define UIO_MAXIOV 1024
+
+
+/* Structure for scatter/gather I/O. */
+struct iovec
+ {
+ void *iov_base; /* Pointer to data. */
+ size_t iov_len; /* Length of data. */
+ };
diff --git a/sysdeps/unix/sysv/linux/bits/ustat.h b/sysdeps/unix/sysv/linux/bits/ustat.h
new file mode 100644
index 0000000000..526069a7f3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/ustat.h
@@ -0,0 +1,27 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sys/types.h>
+
+struct ustat
+ {
+ __daddr_t f_tfree;
+ __ino_t f_tinode;
+ char f_fname[6];
+ char f_fpack[6];
+ };
diff --git a/sysdeps/unix/sysv/linux/bits/utsname.h b/sysdeps/unix/sysv/linux/bits/utsname.h
new file mode 100644
index 0000000000..64e2ab5bbc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/utsname.h
@@ -0,0 +1,25 @@
+/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* Length of the entries in `struct utsname' is 65. */
+#define _UTSNAME_LENGTH 65
+
+/* Linux provides as additional information in the `struct utsname'
+ the name of the current domain. Define _UTSNAME_DOMAIN_LENGTH
+ to a value != 0 to activate this entry. */
+#define _UTSNAME_DOMAIN_LENGTH _UTSNAME_LENGTH
diff --git a/sysdeps/unix/sysv/linux/bits/waitflags.h b/sysdeps/unix/sysv/linux/bits/waitflags.h
new file mode 100644
index 0000000000..ba3528b709
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/waitflags.h
@@ -0,0 +1,29 @@
+/* Definitions of flag bits for `waitpid' et al.
+ Copyright (C) 1992, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_WAIT_H
+#error "Never use <bits/waitflags.h> directly; include <sys/wait.h> instead."
+#endif
+
+
+/* Bits in the third argument to `waitpid'. */
+#define WNOHANG 1 /* Don't block waiting. */
+#define WUNTRACED 2 /* Report status of stopped children. */
+
+#define __WCLONE 0x80000000 /* Wait for cloned process. */