summaryrefslogtreecommitdiffstats
path: root/include/linux/signal.h
diff options
context:
space:
mode:
authorOleg Nesterov <oleg@tv-sign.ru>2008-04-30 00:52:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-30 08:29:34 -0700
commit6ca25b551309eb1b1b41f83414a92f7472e0b23d (patch)
treea2c5785ec484ec997ac6a03d3fceae04e4d21795 /include/linux/signal.h
parente442055193e4584218006e616c9bdce0c5e9ae5c (diff)
downloadop-kernel-dev-6ca25b551309eb1b1b41f83414a92f7472e0b23d.zip
op-kernel-dev-6ca25b551309eb1b1b41f83414a92f7472e0b23d.tar.gz
kill_pid_info: don't take now unneeded tasklist_lock
Previously handle_stop_signal(SIGCONT) could drop ->siglock. That is why kill_pid_info(SIGCONT) takes tasklist_lock to make sure the target task can't go away after unlock. Not needed now. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Cc: Roland McGrath <roland@redhat.com> Cc: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/signal.h')
-rw-r--r--include/linux/signal.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 42d2e0a..84f997f 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -362,8 +362,6 @@ int unhandled_signal(struct task_struct *tsk, int sig);
#define sig_kernel_stop(sig) \
(((sig) < SIGRTMIN) && siginmask(sig, SIG_KERNEL_STOP_MASK))
-#define sig_needs_tasklist(sig) ((sig) == SIGCONT)
-
#define sig_user_defined(t, signr) \
(((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_DFL) && \
((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_IGN))
OpenPOWER on IntegriCloud