From 3a3772dd5647da1cd4a06cca93d8f92cc6e274f0 Mon Sep 17 00:00:00 2001 From: jb Date: Sun, 16 May 1999 05:25:37 +0000 Subject: Ensure that an existing thread gets it's state set to PS_DEAD to prevent being rescheduled. Submitted by: Dan Eischen --- lib/libc_r/uthread/uthread_exit.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'lib/libc_r') 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"); -- cgit v1.1