diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2003-06-08 05:28:14 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-06-08 05:28:14 +0000 |
| commit | 7726edc27354afe163f492c0e6a8d4354fddb494 (patch) | |
| tree | 22a712872298767abf2b081d9f766a33cad8fa20 /nptl/sysdeps/unix/sysv/linux/sem_wait.c | |
| parent | ede0f73aeabe62589f6ca19a6987f48aa0d06184 (diff) | |
Update.
2003-06-07 Ulrich Drepper <drepper@redhat.com>
* cleanup_routine.c: New file.
* Versions (libpthread) [GLIBC_2.3.3]: Add __pthread_cleanup_routine.
* sysdeps/pthread/pthread.h: Add support for fully exception-based
cleanup handling.
* Makefile (libpthread-routines): Add cleanup_routine.
Add more CFLAGS variables to compile with exceptions. Add comments
why which file needs unwind tables.
(tests) [have-forced-unwind==yes]: Add tst-cancelx* and tst-cleanupx*
tests.
* tst-cancelx1.c: New file.
* tst-cancelx2.c: New file.
* tst-cancelx3.c: New file.
* tst-cancelx4.c: New file.
* tst-cancelx5.c: New file.
* tst-cancelx6.c: New file.
* tst-cancelx7.c: New file.
* tst-cancelx8.c: New file.
* tst-cancelx9.c: New file.
* tst-cancelx10.c: New file.
* tst-cancelx11.c: New file.
* tst-cancelx12.c: New file.
* tst-cancelx13.c: New file.
* tst-cancelx14.c: New file.
* tst-cancelx15.c: New file.
* tst-cleanupx0.c: New file.
* tst-cleanupx0.expect: New file.
* tst-cleanupx1.c: New file.
* tst-cleanupx2.c: New file.
* tst-cleanupx3.c: New file.
* tst-cleanup0.c: Make standard compliant.
* tst-cleanup1.c: Likewise.
* sysdeps/unix/sysv/linux/sem_timedwait.c: Add cancellation support.
* sysdeps/unix/sysv/linux/sem_wait.c: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Likewise.
* sysdeps/i386/tcb-offsets.sym: Add RESULT, CANCELHANDLING, and
CLEANUP_JMP_BUF.
* sysdeps/x86_64/tcb-offsets.sym: Likewise.
* tst-cancel12.c: New file.
* tst-cancel13.c: New file.
* tst-cancel14.c: New file.
* tst-cancel15.c: New file.
* Makefile (tests): Add tst-cancel12, tst-cancel13, tst-cancel14,
and tst-cancel15.
* tst-cancel1.c: Add some comments.
* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Compute relative
timeout correctly.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sem_wait.c')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sem_wait.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sem_wait.c b/nptl/sysdeps/unix/sysv/linux/sem_wait.c index 1d39b7c408..36bb158e09 100644 --- a/nptl/sysdeps/unix/sysv/linux/sem_wait.c +++ b/nptl/sysdeps/unix/sysv/linux/sem_wait.c @@ -24,12 +24,16 @@ #include <internaltypes.h> #include <semaphore.h> +#include <pthreadP.h> #include <shlib-compat.h> int __new_sem_wait (sem_t *sem) { + /* First check for cancellation. */ + CANCELLATION_P (THREAD_SELF); + int *futex = (int *) sem; int val; int err; @@ -43,7 +47,13 @@ __new_sem_wait (sem_t *sem) return 0; } + /* Enable asynchronous cancellation. Required by the standard. */ + int oldtype = __pthread_enable_asynccancel (); + err = lll_futex_wait (futex, 0); + + /* Disable asynchronous cancellation. */ + __pthread_disable_asynccancel (oldtype); } while (err == 0 || err == -EWOULDBLOCK); |