| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* Uncancelable versions of cancelable interfaces. Linux version. |
| 2 | Copyright (C) 2003 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. |
| 5 | |
| 6 | The GNU C Library is free software; you can redistribute it and/or |
| 7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either |
| 9 | version 2.1 of the License, or (at your option) any later version. |
| 10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | Lesser General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Lesser General Public |
| 17 | License along with the GNU C Library; if not, write to the Free |
| 18 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 19 | 02111-1307 USA. */ |
| 20 | |
| 21 | #include <sysdep.h> |
| 22 | |
| 23 | /* Uncancelable open. */ |
| 24 | #define open_not_cancel(name, flags, mode) \ |
| 25 | INLINE_SYSCALL (open, 3, (const char *) (name), (flags), (mode)) |
| 26 | #define open_not_cancel_2(name, flags) \ |
| 27 | INLINE_SYSCALL (open, 2, (const char *) (name), (flags)) |
| 28 | |
| 29 | /* Uncancelable close. */ |
| 30 | #define close_not_cancel(fd) \ |
| 31 | INLINE_SYSCALL (close, 1, fd) |
| 32 | #define close_not_cancel_no_status(fd) \ |
| 33 | (void) ({ INTERNAL_SYSCALL_DECL (err); \ |
| 34 | INTERNAL_SYSCALL (close, err, 1, (fd)); }) |
| 35 | |
| 36 | /* Uncancelable read. */ |
| 37 | #define read_not_cancel(fd, buf, n) \ |
| 38 | INLINE_SYSCALL (read, 3, (fd), (buf), (n)) |
| 39 | |
| 40 | /* Uncancelable write. */ |
| 41 | #define write_not_cancel(fd, buf, n) \ |
| 42 | INLINE_SYSCALL (write, 3, (fd), (buf), (n)) |
| 43 | |
| 44 | /* Uncancelable writev. */ |
| 45 | #define writev_not_cancel_no_status(fd, iov, n) \ |
| 46 | (void) ({ INTERNAL_SYSCALL_DECL (err); \ |
| 47 | INTERNAL_SYSCALL (writev, err, 3, (fd), (iov), (n)); }) |
| 48 | |
| 49 | /* Uncancelable fcntl. */ |
| 50 | #define fcntl_not_cancel(fd, cmd, val) \ |
| 51 | __fcntl_nocancel (fd, cmd, val) |
| 52 | |
| 53 | /* Uncancelable waitpid. */ |
| 54 | #ifdef __NR_waitpid |
| 55 | # define waitpid_not_cancel(pid, stat_loc, options) \ |
| 56 | INLINE_SYSCALL (waitpid, 3, pid, stat_loc, options) |
| 57 | #else |
| 58 | # define waitpid_not_cancel(pid, stat_loc, options) \ |
| 59 | INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL) |
| 60 | #endif |