From e1e46622ac0fce73d802fa4a8a2e83cc25cd9e7a Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Sat, 14 Feb 2015 23:04:02 -0600 Subject: Revert "resolve merge" This reverts commit 6b6ede3d15f04fe825cfa9f697507457e3640344. --- .../linuxthreads/sysdeps/unix/sysv/linux/sigwait.c | 82 ++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 libpthread/linuxthreads/sysdeps/unix/sysv/linux/sigwait.c (limited to 'libpthread/linuxthreads/sysdeps/unix/sysv/linux/sigwait.c') diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sigwait.c b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sigwait.c new file mode 100644 index 000000000..2e09d1ba5 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sigwait.c @@ -0,0 +1,82 @@ +/* Copyright (C) 1997, 1998, 2000, 2002, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 + . */ + +#include +#include +#define __need_NULL +#include + +#include +#include +#include + +extern int __syscall_rt_sigtimedwait (const sigset_t *, siginfo_t *, + const struct timespec *, size_t); + + +/* Return any pending signal or wait for one for the given time. */ +static __inline__ int +do_sigwait (const sigset_t *set, int *sig) +{ + int ret; + + /* XXX The size argument hopefully will have to be changed to the + real size of the user-level sigset_t. */ +#ifdef INTERNAL_SYSCALL + INTERNAL_SYSCALL_DECL (err); + ret = INTERNAL_SYSCALL (rt_sigtimedwait, err, 4, set, + NULL, NULL, _NSIG / 8); + if (! INTERNAL_SYSCALL_ERROR_P (ret, err)) + { + *sig = ret; + ret = 0; + } + else + ret = INTERNAL_SYSCALL_ERRNO (ret, err); +#else + ret = INLINE_SYSCALL (rt_sigtimedwait, 4, set, + NULL, NULL, _NSIG / 8); + if (ret != -1) + { + *sig = ret; + ret = 0; + } + else + ret = errno; +#endif + + return ret; +} + +#ifndef SHARED +weak_extern (__pthread_sigwait) +#endif + +int +sigwait (const sigset_t *set, int *sig) +{ +#ifndef NOT_IN_libc + return __libc_maybe_call2 (pthread_sigwait, (set, sig), + do_sigwait (set, sig)); +#else + return do_sigwait (set, sig); +#endif +} +strong_alias(sigwait, __libc_sigwait) + +/* Cancellation is handled in __pthread_sigwait. */ +LIBC_CANCEL_HANDLED (); -- cgit v1.2.3