1 /* Copyright (C) 1997, 1998, 2000, 2002, 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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
24 #include <sysdep-cancel.h>
25 #include <sys/syscall.h>
26 #include <bp-checks.h>
27 #include <bits/libc-lock.h>
29 extern int __syscall_rt_sigtimedwait (const sigset_t *__unbounded, siginfo_t *__unbounded,
30 const struct timespec *__unbounded, size_t);
33 /* Return any pending signal or wait for one for the given time. */
35 do_sigwait (const sigset_t *set, int *sig)
39 /* XXX The size argument hopefully will have to be changed to the
40 real size of the user-level sigset_t. */
41 #ifdef INTERNAL_SYSCALL
42 INTERNAL_SYSCALL_DECL (err);
43 ret = INTERNAL_SYSCALL (rt_sigtimedwait, err, 4, CHECK_SIGSET (set),
44 NULL, NULL, _NSIG / 8);
45 if (! INTERNAL_SYSCALL_ERROR_P (ret, err))
51 ret = INTERNAL_SYSCALL_ERRNO (ret, err);
53 ret = INLINE_SYSCALL (rt_sigtimedwait, 4, CHECK_SIGSET (set),
54 NULL, NULL, _NSIG / 8);
68 weak_extern (__pthread_sigwait)
77 return __libc_maybe_call2 (pthread_sigwait, (set, sig),
78 do_sigwait (set, sig));
80 return do_sigwait (set, sig);
83 libc_hidden_def (__sigwait)
84 weak_alias (__sigwait, sigwait)
85 strong_alias (__sigwait, __libc_sigwait)
87 /* Cancellation is handled in __pthread_sigwait. */
88 LIBC_CANCEL_HANDLED ();