diff options
Diffstat (limited to 'server-tools/instance-manager/thread_registry.cc')
-rw-r--r-- | server-tools/instance-manager/thread_registry.cc | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/server-tools/instance-manager/thread_registry.cc b/server-tools/instance-manager/thread_registry.cc index fe665f410e5..f9b98eacbee 100644 --- a/server-tools/instance-manager/thread_registry.cc +++ b/server-tools/instance-manager/thread_registry.cc @@ -145,6 +145,7 @@ int Thread_registry::cond_timedwait(Thread_info *info, pthread_cond_t *cond, pthread_mutex_t *mutex, struct timespec *wait_time) { + int rc; pthread_mutex_lock(&LOCK_thread_registry); if (shutdown_in_progress) { @@ -154,7 +155,8 @@ int Thread_registry::cond_timedwait(Thread_info *info, pthread_cond_t *cond, info->current_cond= cond; pthread_mutex_unlock(&LOCK_thread_registry); /* sic: race condition here, cond can be signaled in deliver_shutdown */ - int rc= pthread_cond_timedwait(cond, mutex, wait_time); + if ((rc= pthread_cond_timedwait(cond, mutex, wait_time)) == ETIME) + rc= ETIMEDOUT; // For easier usage pthread_mutex_lock(&LOCK_thread_registry); info->current_cond= 0; pthread_mutex_unlock(&LOCK_thread_registry); @@ -172,6 +174,7 @@ void Thread_registry::deliver_shutdown() { Thread_info *info; struct timespec shutdown_time; + int error; set_timespec(shutdown_time, 1); pthread_mutex_lock(&LOCK_thread_registry); @@ -204,11 +207,13 @@ void Thread_registry::deliver_shutdown() released - the only case when the predicate is false is when no other threads exist. */ - while (pthread_cond_timedwait(&COND_thread_registry_is_empty, - &LOCK_thread_registry, - &shutdown_time) != ETIMEDOUT && + while (((error= pthread_cond_timedwait(&COND_thread_registry_is_empty, + &LOCK_thread_registry, + &shutdown_time)) != ETIMEDOUT && + error != ETIME) && head.next != &head) ; + /* If previous signals did not reach some threads, they must be sleeping in pthread_cond_wait or in a blocking syscall. Wake them up: |