diff options
Diffstat (limited to 'lib/libpthread/thread/thr_detach.c')
| -rw-r--r-- | lib/libpthread/thread/thr_detach.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/lib/libpthread/thread/thr_detach.c b/lib/libpthread/thread/thr_detach.c index 05da832e0c07f..73a58de244184 100644 --- a/lib/libpthread/thread/thr_detach.c +++ b/lib/libpthread/thread/thr_detach.c @@ -29,6 +29,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * + * $Id$ */ #include <errno.h> #ifdef _THREAD_SAFE @@ -53,23 +54,25 @@ pthread_detach(pthread_t pthread) pthread->attr.flags |= PTHREAD_DETACHED; /* - * Guard against preemption by a scheduling signal. - * A change of thread state modifies the waiting - * and priority queues. + * Defer signals to protect the scheduling queues from + * access by the signal handler: */ - _thread_kern_sched_defer(); + _thread_kern_sig_defer(); /* Enter a loop to bring all threads off the join queue: */ - while ((next_thread = _thread_queue_deq(&pthread->join_queue)) != NULL) { + while ((next_thread = TAILQ_FIRST(&pthread->join_queue)) != NULL) { + /* Remove the thread from the queue: */ + TAILQ_REMOVE(&pthread->join_queue, next_thread, qe); + /* Make the thread run: */ PTHREAD_NEW_STATE(next_thread,PS_RUNNING); } /* - * Reenable preemption and yield if a scheduling signal - * occurred while in the critical region. + * Undefer and handle pending signals, yielding if a + * scheduling signal occurred while in the critical region. */ - _thread_kern_sched_undefer(); + _thread_kern_sig_undefer(); } else /* Return an error: */ rval = EINVAL; |