| /* Uncancelable versions of cancelable interfaces. Linux/NPTL version. |
| Copyright (C) 2003-2014 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #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) |