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- /* Uncancelable versions of cancelable interfaces. Linux/NPTL version.
- Copyright (C) 2003, 2006 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
- 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #include <sysdep.h>
- #if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
- extern int __open_nocancel (const char *, int, ...) attribute_hidden;
- extern int __close_nocancel (int) attribute_hidden;
- extern int __read_nocancel (int, void *, size_t) attribute_hidden;
- extern int __write_nocancel (int, const void *, size_t) attribute_hidden;
- extern pid_t __waitpid_nocancel (pid_t, int *, int) attribute_hidden;
- extern int __openat_nocancel (int fd, const char *fname, int oflag,
- mode_t mode) attribute_hidden;
- extern int __openat64_nocancel (int fd, const char *fname, int oflag,
- mode_t mode) attribute_hidden;
- #else
- # define __open_nocancel(name, ...) __open (name, __VA_ARGS__)
- # define __close_nocancel(fd) __close (fd)
- # define __read_nocancel(fd, buf, len) __read (fd, buf, len)
- # define __write_nocancel(fd, buf, len) __write (fd, buf, len)
- # define __waitpid_nocancel(pid, stat_loc, options) \
- __waitpid (pid, stat_loc, options)
- # define __openat_nocancel(fd, fname, oflag, mode) \
- openat (fd, fname, oflag, mode)
- # define __openat64_nocancel(fd, fname, oflag, mode) \
- openat64 (fd, fname, oflag, mode)
- #endif
- /* Uncancelable open. */
- #define open_not_cancel(name, flags, mode) \
- __open_nocancel (name, flags, mode)
- #define open_not_cancel_2(name, flags) \
- __open_nocancel (name, flags)
- /* Uncancelable openat. */
- #define openat_not_cancel(fd, fname, oflag, mode) \
- __openat_nocancel (fd, fname, oflag, mode)
- #define openat_not_cancel_3(fd, fname, oflag) \
- __openat_nocancel (fd, fname, oflag, 0)
- #define openat64_not_cancel(fd, fname, oflag, mode) \
- __openat64_nocancel (fd, fname, oflag, mode)
- #define openat64_not_cancel_3(fd, fname, oflag) \
- __openat64_nocancel (fd, fname, oflag, 0)
- /* Uncancelable close. */
- #define close_not_cancel(fd) \
- __close_nocancel (fd)
- #define close_not_cancel_no_status(fd) \
- (void) ({ INTERNAL_SYSCALL_DECL (err); \
- INTERNAL_SYSCALL (close, err, 1, (fd)); })
- /* Uncancelable read. */
- #define read_not_cancel(fd, buf, n) \
- __read_nocancel (fd, buf, n)
- /* Uncancelable write. */
- #define write_not_cancel(fd, buf, n) \
- __write_nocancel (fd, buf, n)
- /* Uncancelable writev. */
- #define writev_not_cancel_no_status(fd, iov, n) \
- (void) ({ INTERNAL_SYSCALL_DECL (err); \
- INTERNAL_SYSCALL (writev, err, 3, (fd), (iov), (n)); })
- /* Uncancelable fcntl. */
- #define fcntl_not_cancel(fd, cmd, val) \
- __fcntl_nocancel (fd, cmd, val)
- /* Uncancelable waitpid. */
- #ifdef __NR_waitpid
- # define waitpid_not_cancel(pid, stat_loc, options) \
- __waitpid_nocancel (pid, stat_loc, options)
- #else
- # define waitpid_not_cancel(pid, stat_loc, options) \
- INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL)
- #endif
- /* Uncancelable pause. */
- #define pause_not_cancel() \
- __pause_nocancel ()
- /* Uncancelable nanosleep. */
- #define nanosleep_not_cancel(requested_time, remaining) \
- __nanosleep_nocancel (requested_time, remaining)
- /* Uncancelable sigsuspend. */
- #define sigsuspend_not_cancel(set) \
- __sigsuspend_nocancel (set)
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