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-rw-r--r--sysdeps/unix/sysv/linux/bits/local_lim.h6
-rw-r--r--sysdeps/unix/sysv/linux/bits/posix_opt.h8
-rw-r--r--sysdeps/unix/sysv/linux/bits/sigaction.h22
-rw-r--r--sysdeps/unix/sysv/linux/bits/siginfo.h257
-rw-r--r--sysdeps/unix/sysv/linux/bits/signum.h21
-rw-r--r--sysdeps/unix/sysv/linux/bits/sigset.h38
6 files changed, 321 insertions, 31 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/local_lim.h b/sysdeps/unix/sysv/linux/bits/local_lim.h
index 7ce423061a..2674aa709e 100644
--- a/sysdeps/unix/sysv/linux/bits/local_lim.h
+++ b/sysdeps/unix/sysv/linux/bits/local_lim.h
@@ -1,5 +1,5 @@
/* Minimum guaranteed maximum values for system limits. Linux version.
- Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+ 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
@@ -19,3 +19,7 @@
/* The kernel sources contain a file with all the needed information. */
#include <linux/limits.h>
+
+/* Maximum amount by which a process can descrease its asynchronous I/O
+ priority level. */
+#define AIO_PRIO_DELTA_MAX 20
diff --git a/sysdeps/unix/sysv/linux/bits/posix_opt.h b/sysdeps/unix/sysv/linux/bits/posix_opt.h
index e9f8b7f8f3..5ef6d0563d 100644
--- a/sysdeps/unix/sysv/linux/bits/posix_opt.h
+++ b/sysdeps/unix/sysv/linux/bits/posix_opt.h
@@ -1,5 +1,5 @@
/* Define POSIX options for Linux.
- Copyright (C) 1996 Free Software Foundation, Inc.
+ 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
@@ -67,7 +67,13 @@
/* Filenames are not silently truncated. */
#define _POSIX_NO_TRUNC 1
+/* X/Open realtime support is available. */
+#define _XOPEN_REALTIME 1
+
/* XPG4.2 shared memory is supported. */
#define _XOPEN_SHM 1
+/* Real-time signals are supported. */
+#define _POSIX_REALTIME_SIGNALS 1
+
#endif /* bits/posix_opt.h */
diff --git a/sysdeps/unix/sysv/linux/bits/sigaction.h b/sysdeps/unix/sysv/linux/bits/sigaction.h
index 1806bb2e92..b6637e5205 100644
--- a/sysdeps/unix/sysv/linux/bits/sigaction.h
+++ b/sysdeps/unix/sysv/linux/bits/sigaction.h
@@ -25,7 +25,16 @@
struct sigaction
{
/* Signal handler. */
- __sighandler_t sa_handler;
+ union
+ {
+ /* Used if SA_SIGINFO is not set. */
+ __sighandler_t sa_handler;
+ /* Used if SA_SIGINFO is set. */
+ void (*sa_sigaction) __P ((int, siginfo_t *, void *));
+ }
+ __sigaction_handler;
+#define sa_handler __sigaction_handler.sa_handler
+#define sa_sigaction __sigaction_handler.sa_sigaction
/* Additional set of signals to be blocked. */
__sigset_t sa_mask;
@@ -39,17 +48,22 @@ struct sigaction
/* 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_SIGINFO 4 /* Invoke signal-catching function with
+ three arguments instead of one. */
+#if defined __USE_UNIX98 || defined __USE_MISC
+# define SA_ONSTACK 0x08000000 /* Use signal stack by using `sa_restorer'. */
# define SA_RESTART 0x10000000 /* 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. */
+#endif
+#ifdef __USE_MISC
+# define SA_INTERRUPT 0x20000000 /* Historical no-op. */
/* Some aliases for the SA_ constants. */
# define SA_NOMASK SA_NODEFER
# define SA_ONESHOT SA_RESETHAND
+# define SA_STACK SA_ONSTACK
#endif
/* Values for the HOW argument to `sigprocmask'. */
diff --git a/sysdeps/unix/sysv/linux/bits/siginfo.h b/sysdeps/unix/sysv/linux/bits/siginfo.h
new file mode 100644
index 0000000000..42030abc4f
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/siginfo.h
@@ -0,0 +1,257 @@
+/* siginfo_t, sigevent and constants. Linux version.
+ 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. */
+
+#ifndef _SIGNAL_H
+# error "Never include this file directly. Use <signal.h> instead"
+#endif
+
+#define SI_MAX_SIZE 128
+#define SI_PAD_SIZE ((SI_MAX_SIZE / sizeof (int)) - 3)
+
+typedef struct siginfo
+ {
+ int si_signo; /* Signal number. */
+ int si_errno; /* If non-zero, an errno value associated with
+ this signal, as defined in <errno.h>. */
+ int si_code; /* Signal code. */
+
+ union
+ {
+ int _pad[SI_PAD_SIZE];
+
+ /* kill(). */
+ struct
+ {
+ __pid_t si_pid; /* Sending process ID. */
+ __uid_t si_uid; /* Real user ID of sending process. */
+ } _kill;
+
+ /* POSIX.1b timers. */
+ struct
+ {
+ unsigned int _timer1;
+ unsigned int _timer2;
+ } _timer;
+
+ /* POSIX.1b signals. */
+ struct
+ {
+ __pid_t si_pid; /* Sending process ID. */
+ __uid_t si_uid; /* Real user ID of sending process. */
+ sigval_t si_sigval; /* Signal value. */
+ } _rt;
+
+ /* SIGCHLD. */
+ struct
+ {
+ __pid_t si_pid; /* Which child. */
+ int si_status; /* Exit value or signal. */
+ __clock_t si_utime;
+ __clock_t si_stime;
+ } _sigchld;
+
+ /* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */
+ struct
+ {
+ void *si_addr; /* Faulting insn/memory ref. */
+ } _sigfault;
+
+ /* SIGPOLL. */
+ struct
+ {
+ int si_band; /* Band event for SIGPOLL. */
+ int si_fd;
+ } _sigpoll;
+ } _sifields;
+ } siginfo_t;
+
+
+/* X/Open requires some more fields with fixed names. */
+#define si_pid _sifields._kill.si_pid
+#define si_uid _sifields._kill.si_uid
+#define si_status _sifields._sigchld.si_status
+#define si_utime _sifields._sigchld.si_utime
+#define si_stime _sifields._sigchld.si_stime
+#define si_value _sifields._rt.si_sigval
+#define si_int _sifields._rt.si_sigval.sival_int
+#define si_ptr _sifields._rt.si_sigval.sival_ptr
+#define si_addr _sifields._sigfault.si_addr
+#define si_band _sifields._sigpoll.si_band
+#define si_fd _sifields._sigpoll.si_fd
+
+
+/* Values for `si_code'. Positive values are reserved for kernel-generated
+ signals. */
+enum
+{
+ SI_ASYNCIO = -4, /* Sent by AIO completion. */
+#define SI_ASYNCIO SI_ASYNCIO
+ SI_MESGQ, /* Sent by real time mesq state change. */
+#define SI_MESGQ SI_MESGQ
+ SI_TIMER, /* Sent by timer expiration. */
+#define SI_TIMER SI_TIMER
+ SI_QUEUE, /* Sent by sigqueue. */
+#define SI_QUEUE SI_QUEUE
+ SI_USER /* Sent by kill, sigsend, raise. */
+#define SI_USER SI_USER
+};
+
+
+/* `si_code' values for SIGILL signal. */
+enum
+{
+ ILL_ILLOPC = 1, /* Illegal opcode. */
+#define ILL_ILLOPC ILL_ILLOPC
+ ILL_ILL_OPN, /* Illegal operand. */
+#define ILL_ILLOPN ILL_ILLOPN
+ ILL_ILLADR, /* Illegal addressing mode. */
+#define ILL_ILLADR ILL_ILLADR
+ ILL_ILLTRP, /* Illegal trap. */
+#define ILL_ILLTRP ILL_ILLTRP
+ ILL_PRVOPC, /* Privileged opcode. */
+#define ILL_PRVOPC ILL_PRVOPC
+ ILL_PRVREG, /* Privileged register. */
+#define ILL_PRVREG ILL_PRVREG
+ ILL_COPROC, /* Coprocessor error. */
+#define ILL_COPROC ILL_COPROC
+ ILL_BADSTK /* Internal stack error. */
+#define ILL_BADSTK ILL_BADSTK
+};
+
+/* `si_code' values for SIGFPE signal. */
+enum
+{
+ FPE_INTDIV = 1, /* Integer divide by zero. */
+#define FPE_INTDIV FPE_INTDIV
+ FPE_INTOVF, /* Integer overflow. */
+#define FPE_INTOVF FPE_INTOVF
+ FPE_FLTDIV, /* Floating point divide by zero. */
+#define FPE_FLTDIV FPE_FLTDIV
+ FPE_FLTOVF, /* Floating point overflow. */
+#define FPE_FLTOVF FPE_FLTOVF
+ FPE_FLTUND, /* Floating point underflow. */
+#define FPE_FLTUND FPE_FLTUND
+ FPE_FLTRES, /* Floating point inexact result. */
+#define FPE_FLTRES FPE_FLTRES
+ FPE_FLTINV, /* Floating point invalid operation. */
+#define FPE_FLTINV FPE_FLTINV
+ FPE_FLTSUB /* Subscript out of range. */
+#define FPE_FLTSUB FPE_FLTSUB
+};
+
+/* `si_code' values for SIGSEGV signal. */
+enum
+{
+ SEGV_MAPERR = 1, /* Address not mapped to object. */
+#define SEGV_MAPERR SEGV_MAPERR
+ SEGV_ACCERR /* Invalid permissions for mapped object. */
+#define SEGV_ACCERR SEGV_ACCERR
+};
+
+/* `si_code' values for SIGBUS signal. */
+enum
+{
+ BUS_ADRALN = 1, /* Invalid address alignment. */
+#define BUS_ADRALN BUS_ADRALN
+ BUS_ADRERR, /* Non-existant physical address. */
+#define BUS_ADRERR BUS_ADRERR
+ BUS_OBJERR /* Object specific hardware error. */
+#define BUS_OBJERR BUS_OBJERR
+};
+
+/* `si_code' values for SIGTRAP signal. */
+enum
+{
+ TRAP_BRKPT = 1, /* Process breakpoint. */
+#define TRAP_BRKPT TRAP_BRKPT
+ TRAP_TRACE /* Process trace trap. */
+#define TRAP_TRACE TRAP_TRACE
+};
+
+/* `si_code' values for SIGCHLD signal. */
+enum
+{
+ CLD_EXITED = 1, /* Child has exited. */
+#define CLD_EXITED CLD_EXITED
+ CLD_KILLED, /* Child was killed. */
+#define CLD_KILLED CLD_KILLED
+ CLD_DUMPED, /* Child terminated abnormally. */
+#define CLD_DUMPED CLD_DUMPED
+ CLD_TRAPPED, /* Traced child has trapped. */
+#define CLD_TRAPPED CLD_TRAPPED
+ CLD_STOPPED, /* Child has stopped. */
+#define CLD_STOPPED CLD_STOPPED
+ CLD_CONTINUED /* Stopped child has continued. */
+#define CLD_CONTINUED CLD_CONTINUED
+};
+
+/* `si_code' values for SIGPOLL signal. */
+enum
+{
+ POLL_IN = 1, /* Data input available. */
+#define POLL_IN POLL_IN
+ POLL_OUT, /* Output buffers available. */
+#define POLL_OUT POLL_OUT
+ POLL_MSG, /* Input message available. */
+#define POLL_MSG POLL_MSG
+ POLL_ERR, /* I/O error. */
+#define POLL_ERR POLL_ERR
+ POLL_PRI, /* High priority input available. */
+#define POLL_PRI POLL_PRI
+ POLL_HUP /* Device disconnected. */
+#define POLL_HUP POLL_HUP
+};
+
+
+/* Structure to transport application-defined values with signals. */
+#define SIGEV_MAX_SIZE 64
+#define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE / sizeof (int)) - 3)
+
+typedef struct sigevent
+ {
+ sigval_t sigev_value;
+ int sigev_signo;
+ int sigev_notify;
+
+ union
+ {
+ int _pad[SIGEV_PAD_SIZE];
+
+ struct
+ {
+ void (*_function) __P ((sigval_t)); /* Function to start. */
+ void *_attribute; /* Really pthread_attr_t. */
+ } _sigev_thread;
+ } _sigev_un;
+ } sigevent_t;
+
+/* POSIX names to access some of the members. */
+#define sigev_notify_function _sigev_un._sigev_thread._function
+#define sigev_notify_attributes _sigev_un._sigev_thread._attribute
+
+/* `sigev_notify' values. */
+enum
+{
+ SIGEV_SIGNAL = 0, /* Notify via signal. */
+#define SIGEV_SIGNAL SIGEV_SIGNAL
+ SIGEV_NONE, /* Other notification: meaningless. */
+#define SIGEV_NONE SIGEV_NONE
+ SIGEV_THREAD /* Deliver via thread creation. */
+#define SIGEV_THREAD SIGEV_THREAD
+};
diff --git a/sysdeps/unix/sysv/linux/bits/signum.h b/sysdeps/unix/sysv/linux/bits/signum.h
index d8a716f2e0..f625f468e9 100644
--- a/sysdeps/unix/sysv/linux/bits/signum.h
+++ b/sysdeps/unix/sysv/linux/bits/signum.h
@@ -1,5 +1,5 @@
/* Signal number definitions. Linux version.
- Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+ 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
@@ -20,9 +20,9 @@
#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. */
+#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. */
@@ -42,7 +42,7 @@
#define SIGPIPE 13 /* Broken pipe (POSIX). */
#define SIGALRM 14 /* Alarm clock (POSIX). */
#define SIGTERM 15 /* Termination (ANSI). */
-#define SIGSTKFLT 16 /* ??? */
+#define SIGSTKFLT 16 /* Stack fault. */
#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
#define SIGCHLD 17 /* Child status has changed (POSIX). */
#define SIGCONT 18 /* Continue (POSIX). */
@@ -61,6 +61,15 @@
#define SIGPWR 30 /* Power failure restart (System V). */
#define SIGUNUSED 31
-#define _NSIG 32 /* Biggest signal number + 1. */
+#define _NSIG 64 /* Biggest signal number + 1
+ (including real-time signals). */
+
+#define SIGRTMIN (__libc_current_sigrtmin ())
+#define SIGRTMAX (__libc_current_sigrtmax ())
+
+/* These are the hard limits of the kernel. These values should not be
+ used directly at user level. */
+#define __SIGRTMIN 32
+#define __SIGRTMAX (_NSIG - 1)
#endif /* <signal.h> included. */
diff --git a/sysdeps/unix/sysv/linux/bits/sigset.h b/sysdeps/unix/sysv/linux/bits/sigset.h
index 741ff9ac9d..14f30cbfd8 100644
--- a/sysdeps/unix/sysv/linux/bits/sigset.h
+++ b/sysdeps/unix/sysv/linux/bits/sigset.h
@@ -18,13 +18,13 @@
Boston, MA 02111-1307, USA. */
#ifndef _SIGSET_H_types
-#define _SIGSET_H_types 1
+# 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)))
+# define _SIGSET_NWORDS (1024 / (8 * sizeof (unsigned long int)))
typedef struct
{
unsigned long int __val[_SIGSET_NWORDS];
@@ -39,44 +39,44 @@ typedef struct
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
+#if !defined _SIGSET_H_fns && defined _SIGNAL_H
+# define _SIGSET_H_fns 1
-#ifndef _EXTERN_INLINE
-#define _EXTERN_INLINE extern __inline
-#endif
+# 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))))
+# define __sigmask(sig) \
+ (((unsigned long int) 1) << (((sig) - 1) % (8 * sizeof (unsigned long int))))
/* Return the word index for SIG. */
-#define __sigword(sig) (((sig) - 1) / (8 * sizeof (unsigned long int)))
+# define __sigword(sig) (((sig) - 1) / (8 * sizeof (unsigned long int)))
-#if defined __GNUC__ && __GNUC__ >= 2
-# define __sigemptyset(set) \
+# 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) \
+# define __sigfillset(set) \
(__extension__ ({ int __cnt = _SIGSET_NWORDS; \
sigset_t *__set = (set); \
while (--__cnt >= 0) __set->__val[__cnt] = ~0UL; \
0; }))
-# ifdef _GNU_SOURCE
+# ifdef __USE_GNU
/* 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) \
+# 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) \
+# define __sigandset(dest, left, right) \
(__extension__ ({ int __cnt = _SIGSET_NWORDS; \
sigset_t *__dest = (dest); \
const sigset_t *__left = (left); \
@@ -85,7 +85,7 @@ typedef struct
__dest->__val[__cnt] = (__left->__val[__cnt] \
& __right->__val[__cnt]); \
0; }))
-# define __sigorset(dest, left, right) \
+# define __sigorset(dest, left, right) \
(__extension__ ({ int __cnt = _SIGSET_NWORDS; \
sigset_t *__dest = (dest); \
const sigset_t *__left = (left); \
@@ -94,8 +94,8 @@ typedef struct
__dest->__val[__cnt] = (__left->__val[__cnt] \
| __right->__val[__cnt]); \
0; }))
+# endif
# endif
-#endif
/* These functions needn't check for a bogus signal number -- error
checking is done in the non __ versions. */
@@ -104,7 +104,7 @@ extern int __sigismember (__const __sigset_t *, int);
extern int __sigaddset (__sigset_t *, int);
extern int __sigdelset (__sigset_t *, int);
-#define __SIGSETFN(NAME, BODY, CONST) \
+# define __SIGSETFN(NAME, BODY, CONST) \
_EXTERN_INLINE int \
NAME (CONST __sigset_t *__set, int __sig) \
{ \