diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sema_timedwait.c')
-rw-r--r-- | nptl/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sema_timedwait.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sema_timedwait.c b/nptl/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sema_timedwait.c new file mode 100644 index 0000000000..24843319a1 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sema_timedwait.c @@ -0,0 +1,51 @@ +/* Copyright (C) 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David Bartley <dtbartle@csclub.uwaterloo.ca>, 2008. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <pthreadP.h> +#include <synch.h> +#include <abstime-to-reltime.h> + +DECLARE_INLINE_SYSCALL (int, lwp_sema_timedwait, sema_t *sp, + struct timespec *tsp, int check_park); + + +int __sema_timedwait (sem, abstime) + sema_t *sem; + struct timespec *abstime; +{ + /* Reject invalid timeouts. */ +/* TODO: if we can acquire the semaphore we should never check abstime */ + if (INVALID_TIMESPEC (abstime)) + return EINVAL; + + struct timespec _reltime; + struct timespec *reltime = abstime_to_reltime (abstime, &_reltime); + if (reltime && reltime->tv_sec < 0) + return ETIME; + + /* Enable asynchronous cancellation. Required by the standard. */ + int oldtype = __pthread_enable_asynccancel (); + + int errval = INLINE_SYSCALL (lwp_sema_timedwait, 3, sem, reltime, 1); + + /* Disable asynchronous cancellation. */ + __pthread_disable_asynccancel (oldtype); + + return errval; +} |