diff options
Diffstat (limited to 'REORG.TODO/nptl/sem_timedwait.c')
-rw-r--r-- | REORG.TODO/nptl/sem_timedwait.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/REORG.TODO/nptl/sem_timedwait.c b/REORG.TODO/nptl/sem_timedwait.c new file mode 100644 index 0000000000..22b0778cc2 --- /dev/null +++ b/REORG.TODO/nptl/sem_timedwait.c @@ -0,0 +1,40 @@ +/* sem_timedwait -- wait on a semaphore with timeout. + Copyright (C) 2003-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Paul Mackerras <paulus@au.ibm.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, see + <http://www.gnu.org/licenses/>. */ + +#include "sem_waitcommon.c" + +/* This is in a separate file because because sem_timedwait is only provided + if __USE_XOPEN2K is defined. */ +int +sem_timedwait (sem_t *sem, const struct timespec *abstime) +{ + if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) + { + __set_errno (EINVAL); + return -1; + } + + /* Check sem_wait.c for a more detailed explanation why it is required. */ + __pthread_testcancel (); + + if (__new_sem_wait_fast ((struct new_sem *) sem, 0) == 0) + return 0; + else + return __new_sem_wait_slow((struct new_sem *) sem, abstime); +} |