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2c008571c3
2003-04-19 Ulrich Drepper <drepper@redhat.com> * catgets/nl_types.h: Remove __THROW marker from cancellation points. * dirent/dirent.h: Likewise. * dlfcn/dlfcn.h: Likewise. * grp/grp.h: Likewise. * iconv/iconv.h: Likewise. * io/fcntl.h: Likewise. * io/ftw.h: Likewise. * libio/stdio.h: Likewise. * misc/sys/mman.h: Likewise. * misc/sys/select.h: Likewise. * misc/sys/syslog.h: Likewise. * misc/sys/uio.h: Likewise. * posix/spawn.h: Likewise. * posix/unistd.h: Likewise. * posix/sys/wait.h: Likewise. * pwd/pwd.h: Likewise. * resolv/netdb.h: Likewise. * rt/aio.h: Likewise. * shadow/shadow.h: Likewise. * signal/signal.h: Likewise. * socket/sys/socket.h: Likewise. * stdlib/stdlib.h: Likewise. * streams/stropts.h: Likewise. * string/string.h: Likewise. * sysdeps/gnu/utmpx.h: Likewise. * sysvipc/sys/msg.h: Likewise. * termios/termios.h: Likewise. * time/time.h: Likewise. * wcsmbs/wchar.h: Likewise. * iconv/gconv_cache.c: Include <not-cancel.h> and use non-cancelable functions. * misc/daemon.c: Likewise. * sysdeps/generic/backtracesymsfd.c: Likewise. * sysdeps/generic/check_fds.c: Likewise. * sysdeps/unix/sysv/linux/gethostid.c: Likewise. * sysdeps/unix/sysv/linux/not-cancel.h: New file. * sysdeps/generic/not-cancel.h: New file. * csu/Makefile (distribute): Add not-cancel.h. * sysdeps/unix/sysv/linux/fatal-prepare.h: New file. * sysdeps/unix/sysv/linux/Makefile: Define FATAL_PREPARE_INCLUDE for assert.c and assert-perr.c to include <fatal-prepare.h>. * sysdeps/unix/sysv/linux/Dist: Add fatal-prepare.h. * sysdeps/posix/remove.c (remove): Rewrite. No need to restore errno and unlink first. * io/ftw.c (ftw_dir): In all places assume fchdir is available. 2003-04-18 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/libc_fatal.c (__libc_fatal): Use INTERNAL_SYSCALL instead of INLINE_SYSCALL.
175 lines
5.7 KiB
C
175 lines
5.7 KiB
C
/* Copyright (C) 1991,1992,1994-2001,2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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/*
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* POSIX Standard: 6.5 File Control Operations <fcntl.h>
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*/
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#ifndef _FCNTL_H
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#define _FCNTL_H 1
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#include <features.h>
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/* This must be early so <bits/fcntl.h> can define types winningly. */
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__BEGIN_DECLS
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/* Get the definitions of O_*, F_*, FD_*: all the
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numbers and flag bits for `open', `fcntl', et al. */
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#include <bits/fcntl.h>
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/* For XPG all symbols from <sys/stat.h> should also be available. */
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#ifdef __USE_XOPEN
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# include <sys/stat.h>
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#endif
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#ifdef __USE_MISC
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# ifndef R_OK /* Verbatim from <unistd.h>. Ugh. */
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/* Values for the second argument to access.
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These may be OR'd together. */
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# define R_OK 4 /* Test for read permission. */
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# define W_OK 2 /* Test for write permission. */
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# define X_OK 1 /* Test for execute permission. */
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# define F_OK 0 /* Test for existence. */
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# endif
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#endif /* Use misc. */
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/* XPG wants the following symbols. */
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#ifdef __USE_XOPEN /* <stdio.h> has the same definitions. */
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# define SEEK_SET 0 /* Seek from beginning of file. */
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# define SEEK_CUR 1 /* Seek from current position. */
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# define SEEK_END 2 /* Seek from end of file. */
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#endif /* XPG */
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/* Do the file control operation described by CMD on FD.
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The remaining arguments are interpreted depending on CMD.
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This function is a cancellation point and therefore not marked with
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__THROW. */
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extern int fcntl (int __fd, int __cmd, ...);
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/* Open FILE and return a new file descriptor for it, or -1 on error.
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OFLAG determines the type of access used. If O_CREAT is on OFLAG,
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the third argument is taken as a `mode_t', the mode of the created file.
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This function is a cancellation point and therefore not marked with
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__THROW. */
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#ifndef __USE_FILE_OFFSET64
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extern int open (__const char *__file, int __oflag, ...);
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#else
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# ifdef __REDIRECT
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extern int __REDIRECT (open, (__const char *__file, int __oflag, ...), open64);
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# else
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# define open open64
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# endif
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#endif
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#ifdef __USE_LARGEFILE64
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extern int open64 (__const char *__file, int __oflag, ...);
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#endif
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/* Create and open FILE, with mode MODE. This takes an `int' MODE
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argument because that is what `mode_t' will be widened to.
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This function is a cancellation point and therefore not marked with
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__THROW. */
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#ifndef __USE_FILE_OFFSET64
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extern int creat (__const char *__file, __mode_t __mode);
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#else
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# ifdef __REDIRECT
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extern int __REDIRECT (creat, (__const char *__file, __mode_t __mode),
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creat64);
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# else
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# define creat creat64
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# endif
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#endif
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#ifdef __USE_LARGEFILE64
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extern int creat64 (__const char *__file, __mode_t __mode);
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#endif
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#if !defined F_LOCK && (defined __USE_MISC || (defined __USE_XOPEN_EXTENDED \
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&& !defined __USE_POSIX))
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/* NOTE: These declarations also appear in <unistd.h>; be sure to keep both
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files consistent. Some systems have them there and some here, and some
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software depends on the macros being defined without including both. */
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/* `lockf' is a simpler interface to the locking facilities of `fcntl'.
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LEN is always relative to the current file position.
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The CMD argument is one of the following. */
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# define F_ULOCK 0 /* Unlock a previously locked region. */
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# define F_LOCK 1 /* Lock a region for exclusive use. */
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# define F_TLOCK 2 /* Test and lock a region for exclusive use. */
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# define F_TEST 3 /* Test a region for other processes locks. */
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# ifndef __USE_FILE_OFFSET64
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extern int lockf (int __fd, int __cmd, __off_t __len) __THROW;
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# else
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# ifdef __REDIRECT
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extern int __REDIRECT (lockf, (int __fd, int __cmd, __off64_t __len) __THROW,
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lockf64);
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# else
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# define lockf lockf64
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# endif
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# endif
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# ifdef __USE_LARGEFILE64
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extern int lockf64 (int __fd, int __cmd, __off64_t __len) __THROW;
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# endif
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#endif
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#ifdef __USE_XOPEN2K
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/* Advice the system about the expected behaviour of the application with
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respect to the file associated with FD. */
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# ifndef __USE_FILE_OFFSET64
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extern int posix_fadvise (int __fd, __off_t __offset, size_t __len,
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int __advise) __THROW;
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# else
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# ifdef __REDIRECT
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extern int __REDIRECT (posix_fadvise, (int __fd, __off64_t __offset,
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size_t __len, int __advise) __THROW,
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posix_fadvise64);
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# else
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# define posix_fadvise posix_fadvise64
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# endif
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# endif
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# ifdef __USE_LARGEFILE64
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extern int posix_fadvise64 (int __fd, __off64_t __offset, size_t __len,
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int __advise) __THROW;
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# endif
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/* Reserve storage for the data of the file associated with FD. */
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# ifndef __USE_FILE_OFFSET64
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extern int posix_fallocate (int __fd, __off_t __offset, size_t __len) __THROW;
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# else
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# ifdef __REDIRECT
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extern int __REDIRECT (posix_fallocate, (int __fd, __off64_t __offset,
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size_t __len) __THROW,
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posix_fallocate64);
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# else
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# define posix_fallocate posix_fallocate64
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# endif
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# endif
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# ifdef __USE_LARGEFILE64
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extern int posix_fallocate64 (int __fd, __off64_t __offset, size_t __len)
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__THROW;
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# endif
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#endif
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__END_DECLS
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#endif /* fcntl.h */
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