?? not-cancel.h
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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_librtextern 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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