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posix-timers: move the initialization of timer->sigq from send to create path 

posix_timer_event() always populates timer->sigq with the same numbers,
move this code into sys_timer_create().

Note that with this patch we can kill it_sigev_signo and it_sigev_value.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: mingo@elte.hu
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Oleg Nesterov 2008-09-22 14:42:49 -07:00 committed by Thomas Gleixner
parent 36b2f04600
commit 717835d94d
1 changed files with 5 additions and 5 deletions
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10
kernel/posix-timers.c
View File

@ -312,11 +312,6 @@ int posix_timer_event(struct k_itimer *timr, int si_private)
*/
timr->sigq->info.si_sys_private = si_private;
timr->sigq->info.si_signo = timr->it_sigev_signo;
timr->sigq->info.si_code = SI_TIMER;
timr->sigq->info.si_tid = timr->it_id;
timr->sigq->info.si_value = timr->it_sigev_value;
shared = !(timr->it_sigev_notify & SIGEV_THREAD_ID);
ret = send_sigqueue(timr->sigq, timr->it_process, shared);
/* If we failed to send the signal the timer stops. */
@ -537,6 +532,11 @@ sys_timer_create(const clockid_t which_clock,
get_task_struct(process);
}
new_timer->sigq->info.si_code = SI_TIMER;
new_timer->sigq->info.si_tid = new_timer->it_id;
new_timer->sigq->info.si_signo = new_timer->it_sigev_signo;
new_timer->sigq->info.si_value = new_timer->it_sigev_value;
spin_lock_irq(&current->sighand->siglock);
new_timer->it_process = process;
list_add(&new_timer->list, &current->signal->posix_timers);