From 508a5a2b93601f03c1e67b2967406d34fff08e7d Mon Sep 17 00:00:00 2001 From: davidxu Date: Sat, 11 Feb 2012 04:12:12 +0000 Subject: Make code more stable by checking NULL pointers. --- lib/libthr/thread/thr_list.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'lib/libthr') diff --git a/lib/libthr/thread/thr_list.c b/lib/libthr/thread/thr_list.c index 5a2bc63..d27d87d 100644 --- a/lib/libthr/thread/thr_list.c +++ b/lib/libthr/thread/thr_list.c @@ -154,8 +154,12 @@ _thr_alloc(struct pthread *curthread) atomic_fetchadd_int(&total_threads, -1); return (NULL); } - thread->sleepqueue = _sleepq_alloc(); - thread->wake_addr = _thr_alloc_wake_addr(); + if ((thread->sleepqueue = _sleepq_alloc()) == NULL || + (thread->wake_addr = _thr_alloc_wake_addr()) == NULL) { + thr_destroy(curthread, thread); + atomic_fetchadd_int(&total_threads, -1); + return (NULL); + } } else { bzero(&thread->_pthread_startzero, __rangeof(struct pthread, _pthread_startzero, _pthread_endzero)); -- cgit v1.1