Add bits/fcntl.h with proper bits for NaCl.

1 files changed, 149 insertions, 0 deletions

diff --git a/sysdeps/nacl/bits/fcntl.h b/sysdeps/nacl/bits/fcntl.h
new file mode 100644
index 0000000000..ceef8dfeab
--- /dev/null
+++ b/sysdeps/nacl/bits/fcntl.h
@@ -0,0 +1,149 @@
+/* O_*, F_*, FD_* bit values.  NaCl version.
+   Copyright (C) 2015 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _FCNTL_H
+#error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+
+/* File access modes for `open' and `fcntl'.  */
+#define O_RDONLY        0       /* Open read-only.  */
+#define O_WRONLY        1       /* Open write-only.  */
+#define O_RDWR          2       /* Open read/write.  */
+
+
+/* Bits OR'd into the second argument to open.  */
+#define O_CREAT         00100   /* Create file if it doesn't exist.  */
+#define O_EXCL          00200   /* Fail if file already exists.  */
+#define O_TRUNC         01000   /* Truncate file to zero length.  */
+#define O_NOCTTY        0       /* Don't assign a controlling terminal.  */
+#define O_ASYNC         020000  /* Send SIGIO to owner when data is ready.  */
+#define O_FSYNC         010000  /* Synchronous writes.  */
+#define O_SYNC          O_FSYNC
+#ifdef  __USE_MISC
+# define O_SHLOCK       XXX     /* Open with shared file lock.  */
+# define O_EXLOCK       XXX     /* Open with shared exclusive lock.  */
+#endif
+#ifdef __USE_XOPEN2K8
+# define O_DIRECTORY    00200000        /* Must be a directory.  */
+# define O_NOFOLLOW     00400000        /* Do not follow links.  */
+# define O_CLOEXEC      02000000        /* Set close_on_exec.  */
+#endif
+#if defined __USE_POSIX199309 || defined __USE_UNIX98
+# define O_DSYNC        O_SYNC          /* Synchronize data.  */
+# define O_RSYNC        O_SYNC          /* Synchronize read operations.  */
+#endif
+
+/* All opens support large file sizes, so there is no flag bit for this.  */
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE    0
+#endif
+
+/* File status flags for `open' and `fcntl'.  */
+#define O_APPEND        02000   /* Writes append to the file.  */
+#define O_NONBLOCK      04000   /* Non-blocking I/O.  */
+
+#ifdef __USE_MISC
+# define O_NDELAY       O_NONBLOCK
+#endif
+
+#ifdef __USE_MISC
+/* Bits in the file status flags returned by F_GETFL.
+   These are all the O_* flags, plus FREAD and FWRITE, which are
+   independent bits set by which of O_RDONLY, O_WRONLY, and O_RDWR, was
+   given to `open'.  */
+# define FREAD          1
+# define FWRITE         2
+
+/* Traditional BSD names the O_* bits.  */
+# define FASYNC         O_ASYNC
+# define FFSYNC         O_FSYNC
+# define FSYNC          O_SYNC
+# define FAPPEND        O_APPEND
+# define FNDELAY        O_NDELAY
+#endif
+
+/* Mask for file access modes.  This is system-dependent in case
+   some system ever wants to define some other flavor of access.  */
+#define O_ACCMODE       (O_RDONLY|O_WRONLY|O_RDWR)
+
+/* Values for the second argument to `fcntl'.  */
+#define F_DUPFD         0       /* Duplicate file descriptor.  */
+#define F_GETFD         1       /* Get file descriptor flags.  */
+#define F_SETFD         2       /* Set file descriptor flags.  */
+#define F_GETFL         3       /* Get file status flags.  */
+#define F_SETFL         4       /* Set file status flags.  */
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K8
+#define F_GETOWN        5       /* Get owner (receiver of SIGIO).  */
+#define F_SETOWN        6       /* Set owner (receiver of SIGIO).  */
+#endif
+#define F_GETLK         7       /* Get record locking info.  */
+#define F_SETLK         8       /* Set record locking info (non-blocking).  */
+#define F_SETLKW        9       /* Set record locking info (blocking).  */
+/* Not necessary, we always have 64-bit offsets.  */
+#define F_GETLK64       F_GETLK /* Get record locking info.  */
+#define F_SETLK64       F_SETLK /* Set record locking info (non-blocking).  */
+#define F_SETLKW64      F_SETLKW/* Set record locking info (blocking).  */
+#ifdef __USE_XOPEN2K8
+# define F_DUPFD_CLOEXEC 12     /* Duplicate file descriptor with
+                                   close-on-exec set.  */
+#endif
+
+/* File descriptor flags used with F_GETFD and F_SETFD.  */
+#define FD_CLOEXEC      1       /* Close on exec.  */
+
+
+#include <bits/types.h>
+
+/* The structure describing an advisory lock.  This is the type of the third
+   argument to `fcntl' for the F_GETLK, F_SETLK, and F_SETLKW requests.  */
+struct flock
+  {
+    short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
+    short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
+    __off_t l_start;    /* Offset where the lock begins.  */
+    __off_t l_len;      /* Size of the locked area; zero means until EOF.  */
+    __pid_t l_pid;      /* Process holding the lock.  */
+  };
+
+#ifdef __USE_LARGEFILE64
+/* Note this matches struct flock exactly.  */
+struct flock64
+  {
+    short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
+    short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
+    __off_t l_start;    /* Offset where the lock begins.  */
+    __off_t l_len;      /* Size of the locked area; zero means until EOF.  */
+    __pid_t l_pid;      /* Process holding the lock.  */
+  };
+#endif
+
+/* Values for the `l_type' field of a `struct flock'.  */
+#define F_RDLCK 1       /* Read lock.  */
+#define F_WRLCK 2       /* Write lock.  */
+#define F_UNLCK 3       /* Remove lock.  */
+
+/* Advice to `posix_fadvise'.  */
+#ifdef __USE_XOPEN2K
+# define POSIX_FADV_NORMAL      0 /* No further special treatment.  */
+# define POSIX_FADV_RANDOM      1 /* Expect random page references.  */
+# define POSIX_FADV_SEQUENTIAL  2 /* Expect sequential page references.  */
+# define POSIX_FADV_WILLNEED    3 /* Will need these pages.  */
+# define POSIX_FADV_DONTNEED    4 /* Don't need these pages.  */
+# define POSIX_FADV_NOREUSE     5 /* Data will be accessed once.  */
+#endif