diff options
Diffstat (limited to 'lib/libkse/thread/thr_find_thread.c')
-rw-r--r-- | lib/libkse/thread/thr_find_thread.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/lib/libkse/thread/thr_find_thread.c b/lib/libkse/thread/thr_find_thread.c index 99e3023..e4a59a0 100644 --- a/lib/libkse/thread/thr_find_thread.c +++ b/lib/libkse/thread/thr_find_thread.c @@ -76,8 +76,12 @@ _find_dead_thread(pthread_t pthread) /* Invalid thread: */ return(EINVAL); - /* Lock the dead thread list: */ - _lock_dead_thread_list(); + /* + * Lock the garbage collector mutex to ensure that the garbage + * collector is not using the dead thread list. + */ + if (pthread_mutex_lock(&_gc_mutex) != 0) + PANIC("Cannot lock gc mutex"); /* Point to the first thread in the list: */ pthread1 = _thread_dead; @@ -85,11 +89,12 @@ _find_dead_thread(pthread_t pthread) /* Search for the thread to join to: */ while (pthread1 != NULL && pthread1 != pthread) { /* Point to the next thread: */ - pthread1 = pthread1->nxt; + pthread1 = pthread1->nxt_dead; } - /* Unlock the dead thread list: */ - _unlock_dead_thread_list(); + /* Unlock the garbage collector mutex: */ + if (pthread_mutex_unlock(&_gc_mutex) != 0) + PANIC("Cannot lock gc mutex"); /* Return zero if the thread exists: */ return ((pthread1 != NULL) ? 0:ESRCH); |