diff options
| author | jb <jb@FreeBSD.org> | 1999-05-16 05:25:37 +0000 |
|---|---|---|
| committer | jb <jb@FreeBSD.org> | 1999-05-16 05:25:37 +0000 |
| commit | 3a3772dd5647da1cd4a06cca93d8f92cc6e274f0 (patch) | |
| tree | 932544410a2c628b9e69b5870c109e8fc8473182 /lib/libc_r | |
| parent | 83a986307949a6c85689d8dc8ae7e610f6eaa789 (diff) | |
| download | FreeBSD-src-3a3772dd5647da1cd4a06cca93d8f92cc6e274f0.zip FreeBSD-src-3a3772dd5647da1cd4a06cca93d8f92cc6e274f0.tar.gz | |
Ensure that an existing thread gets it's state set to PS_DEAD to
prevent being rescheduled.
Submitted by: Dan Eischen <eischen@vigrid.com>
Diffstat (limited to 'lib/libc_r')
| -rw-r--r-- | lib/libc_r/uthread/uthread_exit.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/libc_r/uthread/uthread_exit.c b/lib/libc_r/uthread/uthread_exit.c index 93b8b83..c54dbda 100644 --- a/lib/libc_r/uthread/uthread_exit.c +++ b/lib/libc_r/uthread/uthread_exit.c @@ -164,12 +164,18 @@ pthread_exit(void *status) if (pthread_cond_signal(&_gc_cond) != 0) PANIC("Cannot signal gc cond"); + /* + * Mark the thread as dead so it will not return if it + * gets context switched out when the mutex is unlocked. + */ + PTHREAD_SET_STATE(_thread_run, PS_DEAD); + /* Unlock the garbage collector mutex: */ if (pthread_mutex_unlock(&_gc_mutex) != 0) PANIC("Cannot lock gc mutex"); /* This this thread will never be re-scheduled. */ - _thread_kern_sched_state(PS_DEAD, __FILE__, __LINE__); + _thread_kern_sched(NULL); /* This point should not be reached. */ PANIC("Dead thread has resumed"); |
