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-rw-r--r--nptl/pthread_create.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c
index 729b76b838..2dbe58dcd4 100644
--- a/nptl/pthread_create.c
+++ b/nptl/pthread_create.c
@@ -310,6 +310,33 @@ start_thread (void *arg)
the breakpoint reports TD_THR_RUN state rather than TD_THR_ZOMBIE. */
atomic_bit_set (&pd->cancelhandling, EXITING_BIT);
+ /* If this thread has any robust mutexes locked, handle them now. */
+ pthread_mutex_t *robust = THREAD_GETMEM (pd, robust_list);
+ if (__builtin_expect (robust != NULL, 0))
+ {
+ do
+ {
+ pthread_mutex_t *this = robust;
+ robust = robust->__data.__next;
+
+ assert (lll_mutex_islocked (this->__data.__lock));
+ this->__data.__count = 0;
+ --this->__data.__nusers;
+ assert (this->__data.__owner != PTHREAD_MUTEX_NOTRECOVERABLE);
+ this->__data.__owner = PTHREAD_MUTEX_OWNERDEAD;
+ this->__data.__next = NULL;
+#ifdef __PTHREAD_MUTEX_HAVE_PREV
+ this->__data.__prev = NULL;
+#endif
+
+ lll_mutex_unlock (this->__data.__lock);
+ }
+ while (robust != NULL);
+
+ /* Clean up so that the thread descriptor can be reused. */
+ THREAD_SETMEM (pd, robust_list, NULL);
+ }
+
/* If the thread is detached free the TCB. */
if (IS_DETACHED (pd))
/* Free the TCB. */