diff options
Diffstat (limited to 'lib/thread.c')
| -rw-r--r-- | lib/thread.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/lib/thread.c b/lib/thread.c index db35a3f031..012194a47b 100644 --- a/lib/thread.c +++ b/lib/thread.c @@ -1163,19 +1163,26 @@ void thread_cancel_event(struct thread_master *master, void *arg) * * @param thread task to cancel */ -void thread_cancel(struct thread *thread) +void thread_cancel(struct thread **thread) { - struct thread_master *master = thread->master; + struct thread_master *master; + + if (thread == NULL || *thread == NULL) + return; + + master = (*thread)->master; assert(master->owner == pthread_self()); frr_with_mutex(&master->mtx) { struct cancel_req *cr = XCALLOC(MTYPE_TMP, sizeof(struct cancel_req)); - cr->thread = thread; + cr->thread = *thread; listnode_add(master->cancel_req, cr); do_thread_cancel(master); } + + *thread = NULL; } /** @@ -1227,6 +1234,9 @@ void thread_cancel_async(struct thread_master *master, struct thread **thread, while (!master->canceled) pthread_cond_wait(&master->cancel_cond, &master->mtx); } + + if (thread) + *thread = NULL; } /* ------------------------------------------------------------------------- */ |