thread: update p_local in a busy-yield loop

shintaro-iwasaki · shintaro-iwasaki · commit e7095f6b1686 · 2019-11-17T06:18:45.000-06:00
ABTI_thread_join() misses an update of p_locla in a busy-yield loop.  This patch
fixes it.
diff --git a/src/thread.c b/src/thread.c
@@ -2354,6 +2354,7 @@ static inline int ABTI_thread_join(ABTI_local **pp_local, ABTI_thread *p_thread)
     while (ABTD_atomic_load_uint32((uint32_t *)&p_thread->state)
            != ABT_THREAD_STATE_TERMINATED) {
         ABTI_thread_yield(pp_local, p_local->p_thread);
+        p_local = *pp_local;
     }
     goto fn_exit;
 

Original file line number	Diff line number	Diff line change
`@@ -2354,6 +2354,7 @@ static inline int ABTI_thread_join(ABTI_local *pp_local, ABTI_thread p_thread)`
`2354`	`2354`	`while (ABTD_atomic_load_uint32((uint32_t *)&p_thread->state)`
`2355`	`2355`	`!= ABT_THREAD_STATE_TERMINATED) {`
`2356`	`2356`	`ABTI_thread_yield(pp_local, p_local->p_thread);`
	`2357`	`+ p_local = *pp_local;`
`2357`	`2358`	`}`
`2358`	`2359`	`goto fn_exit;`
`2359`	`2360`