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tracing: send_sigqueue() needs trace_signal_generate() too 

Add trace_signal_generate() into send_sigqueue().

send_sigqueue() is very similar to __send_signal(), just it uses
the preallocated info. It should do the same wrt tracing.

Reported-by: Seiji Aguchi <saguchi@redhat.com>
Reviewed-by: Seiji Aguchi <seiji.aguchi@hds.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
This commit is contained in:
Oleg Nesterov 2011-11-22 21:37:41 +01:00
parent 6c303d3ab3
commit 163566f60b
1 changed files with 5 additions and 1 deletions
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6
kernel/signal.c
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@ -1591,7 +1591,7 @@ int send_sigqueue(struct sigqueue *q, struct task_struct *t, int group)
int sig = q->info.si_signo;
struct sigpending *pending;
unsigned long flags;
int ret;
int ret, result;
BUG_ON(!(q->flags & SIGQUEUE_PREALLOC));
@ -1600,6 +1600,7 @@ int send_sigqueue(struct sigqueue *q, struct task_struct *t, int group)
goto ret;
ret = 1; /* the signal is ignored */
result = TRACE_SIGNAL_IGNORED;
if (!prepare_signal(sig, t, 0))
goto out;
@ -1611,6 +1612,7 @@ int send_sigqueue(struct sigqueue *q, struct task_struct *t, int group)
*/
BUG_ON(q->info.si_code != SI_TIMER);
q->info.si_overrun++;
result = TRACE_SIGNAL_ALREADY_PENDING;
goto out;
}
q->info.si_overrun = 0;
@ -1620,7 +1622,9 @@ int send_sigqueue(struct sigqueue *q, struct task_struct *t, int group)
list_add_tail(&q->list, &pending->list);
sigaddset(&pending->signal, sig);
complete_signal(sig, t, group);
result = TRACE_SIGNAL_DELIVERED;
out:
trace_signal_generate(sig, &q->info, t, group, result);
unlock_task_sighand(t, &flags);
ret:
return ret;