projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 76e34a5d UD |
1 | /* Copyright (C) 1997, 1998, 2000, 2002 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. | |
| 3 | ||
| 4 | The GNU C Library is free software; you can redistribute it and/or | |
| 5 | modify it under the terms of the GNU Lesser General Public | |
| 6 | License as published by the Free Software Foundation; either | |
| 7 | version 2.1 of the License, or (at your option) any later version. | |
| 8 | ||
| 9 | The GNU C Library is distributed in the hope that it will be useful, | |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 | Lesser General Public License for more details. | |
| 13 | ||
| 14 | You should have received a copy of the GNU Lesser General Public | |
| 15 | License along with the GNU C Library; if not, write to the Free | |
| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
| 17 | 02111-1307 USA. */ | |
| 18 | ||
| 19 | #include <errno.h> | |
| 20 | #include <signal.h> | |
| 21 | #define __need_NULL | |
| 22 | #include <stddef.h> | |
| 23 | ||
| 24 | #include <sysdep.h> | |
| 25 | #include <sys/syscall.h> | |
| 26 | #include <bp-checks.h> | |
| 27 | ||
| 28 | #ifdef __NR_rt_sigtimedwait | |
| 29 | extern int __syscall_rt_sigtimedwait (const sigset_t *__unbounded, siginfo_t *__unbounded, | |
| 30 | const struct timespec *__unbounded, size_t); | |
| 31 | ||
| 32 | ||
| 33 | /* Return any pending signal or wait for one for the given time. */ | |
| 34 | int | |
| 35 | __sigwait (set, sig) | |
| 36 | const sigset_t *set; | |
| 37 | int *sig; | |
| 38 | { | |
| 76e34a5d UD |
39 | int ret; |
| 40 | ||
| 41 | /* XXX The size argument hopefully will have to be changed to the | |
| 42 | real size of the user-level sigset_t. */ | |
| f4447671 UD |
43 | #ifdef INTERNAL_SYSCALL |
| 44 | ret = INTERNAL_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set), | |
| 45 | NULL, NULL, _NSIG / 8); | |
| 46 | if (! INTERNAL_SYSCALL_ERROR_P (ret)) | |
| 47 | { | |
| 48 | *sig = ret; | |
| 49 | ret = 0; | |
| 50 | } | |
| 51 | else | |
| 52 | ret = INTERNAL_SYSCALL_ERRNO (ret); | |
| 53 | #else | |
| 54 | ret = INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set), | |
| 55 | NULL, NULL, _NSIG / 8); | |
| 8a815198 UD |
56 | if (ret != -1) |
| 57 | { | |
| 58 | *sig = ret; | |
| 59 | ret = 0; | |
| 60 | } | |
| 61 | else | |
| 62 | ret = errno; | |
| f4447671 | 63 | #endif |
| 76e34a5d UD |
64 | |
| 65 | return ret; | |
| 66 | } | |
| 6166815d | 67 | libc_hidden_def (__sigwait) |
| 76e34a5d UD |
68 | weak_alias (__sigwait, sigwait) |
| 69 | #else | |
| 70 | # include <sysdeps/posix/sigwait.c> | |
| 71 | #endif | |
| e5e45b53 | 72 | strong_alias (__sigwait, __libc_sigwait) |