The actual core of __wait_event_hrtimeout() is identical to what ___wait_event() generates.
Signed-off-by: Peter Zijlstra <pet...@infradead.org>
---
include/linux/wait.h | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -338,7 +338,6 @@ do {
\
#define __wait_event_hrtimeout(wq, condition, timeout, state) \
({ \
int __ret = 0; \
- DEFINE_WAIT(__wait); \
struct hrtimer_sleeper __t; \
\
hrtimer_init_on_stack(&__t.timer, CLOCK_MONOTONIC, \
@@ -349,25 +348,15 @@ do {
\
current->timer_slack_ns, \
HRTIMER_MODE_REL); \
\
- for (;;) { \
- prepare_to_wait(&wq, &__wait, state); \
- if (condition) \
- break; \
- if (state == TASK_INTERRUPTIBLE && \
- signal_pending(current)) { \
- __ret = -ERESTARTSYS; \
- break; \
- } \
+ ___wait_event(wq, condition, state, 0, __ret, \
if (!__t.task) { \
__ret = -ETIME; \
break; \
} \
- schedule(); \
- } \
+ schedule()); \
\
hrtimer_cancel(&__t.timer); \
destroy_hrtimer_on_stack(&__t.timer); \
- finish_wait(&wq, &__wait); \
__ret; \
})
--
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