diff options
Diffstat (limited to 'include/linux/wait.h')
| -rw-r--r-- | include/linux/wait.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/wait.h b/include/linux/wait.h index 4417f800a639..21cd4df67b24 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -156,6 +156,29 @@ do { \ __wait_event(wq, condition); \ } while (0) +#define __wait_event_timeout(wq, condition, ret) \ +do { \ + DEFINE_WAIT(__wait); \ + \ + for (;;) { \ + prepare_to_wait(&wq, &__wait, TASK_UNINTERRUPTIBLE); \ + if (condition) \ + break; \ + ret = schedule_timeout(ret); \ + if (!ret) \ + break; \ + } \ + finish_wait(&wq, &__wait); \ +} while (0) + +#define wait_event_timeout(wq, condition, timeout) \ +({ \ + long __ret = timeout; \ + if (!(condition)) \ + __wait_event_timeout(wq, condition, __ret); \ + __ret; \ +}) + #define __wait_event_interruptible(wq, condition, ret) \ do { \ DEFINE_WAIT(__wait); \ |