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| author | Oleg Nesterov | 2008-04-30 09:53:00 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2008-04-30 17:29:36 +0200 |
| commit | 53c30337f2c61aff6eecf2a446e839641172f9bd (patch) | |
| tree | 268c52124c19b379b7f9c32430414acb606699cb /kernel/signal.c | |
| parent | signals: document CLD_CONTINUED notification mechanics (diff) | |
| download | kernel-qcow2-linux-53c30337f2c61aff6eecf2a446e839641172f9bd.tar.gz kernel-qcow2-linux-53c30337f2c61aff6eecf2a446e839641172f9bd.tar.xz kernel-qcow2-linux-53c30337f2c61aff6eecf2a446e839641172f9bd.zip | |
signals: send_signal: be paranoid about signalfd_notify()
send_signal() shouldn't call signalfd_notify() if it then fails with -EAGAIN.
Harmless, just a paranoid cleanup.
Also remove the comment. It is obsolete, signalfd_notify() was simplified and
does a simple wakeup.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Davide Libenzi <davidel@xmailserver.org>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 8423867f7d8f..251cc13720bd 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -772,13 +772,6 @@ static int send_signal(int sig, struct siginfo *info, struct task_struct *t, */ if (legacy_queue(pending, sig)) return 0; - - /* - * Deliver the signal to listening signalfds. This must be called - * with the sighand lock held. - */ - signalfd_notify(t, sig); - /* * fast-pathed signals for kernel-internal things like SIGSTOP * or SIGKILL. @@ -828,6 +821,7 @@ static int send_signal(int sig, struct siginfo *info, struct task_struct *t, } out_set: + signalfd_notify(t, sig); sigaddset(&pending->signal, sig); complete_signal(sig, t, group); return 0; |