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| author | Peter Zijlstra <peterz@infradead.org> | 2013-10-02 11:22:30 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-04 10:16:20 +0200 |
| commit | 0d1e1c8a430450a3ce61a842cec64f9e2a9f3b05 (patch) | |
| tree | 1edb6f0a6c658dcf8aadb186467cde1483f26de5 /include/linux/tty.h | |
| parent | a1dc6852ac5eecdcd3122ae01703183a3e88e979 (diff) | |
| download | lwn-0d1e1c8a430450a3ce61a842cec64f9e2a9f3b05.tar.gz lwn-0d1e1c8a430450a3ce61a842cec64f9e2a9f3b05.zip | |
sched/wait: Collapse __wait_event_interruptible_tty()
Reduce macro complexity by using the new ___wait_event() helper.
No change in behaviour, identical generated code.
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20131002092528.831085521@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/tty.h')
| -rw-r--r-- | include/linux/tty.h | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h index 050372979076..6e803291028f 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -679,23 +679,10 @@ static inline void tty_wait_until_sent_from_close(struct tty_struct *tty, }) #define __wait_event_interruptible_tty(tty, wq, condition, ret) \ -do { \ - DEFINE_WAIT(__wait); \ - \ - for (;;) { \ - prepare_to_wait(&wq, &__wait, TASK_INTERRUPTIBLE); \ - if (condition) \ - break; \ - if (signal_pending(current)) { \ - ret = -ERESTARTSYS; \ - break; \ - } \ - tty_unlock(tty); \ - schedule(); \ - tty_lock(tty); \ - } \ - finish_wait(&wq, &__wait); \ -} while (0) + ___wait_event(wq, condition, TASK_INTERRUPTIBLE, 0, ret, \ + tty_unlock(tty); \ + schedule(); \ + tty_lock(tty)) #ifdef CONFIG_PROC_FS extern void proc_tty_register_driver(struct tty_driver *); |