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authorAl Viro <viro@zeniv.linux.org.uk>2012-05-22 03:42:32 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2012-05-22 05:52:30 +0200
commit68f3f16d9ad0f1e28ab3fd0001ab5798c41f15a3 (patch)
treefd023109413f5eb28b364663fdf4bf2eabca47d4 /arch/alpha/kernel/signal.c
parentMerge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/ke... (diff)
downloadlinux-68f3f16d9ad0f1e28ab3fd0001ab5798c41f15a3.tar.xz
linux-68f3f16d9ad0f1e28ab3fd0001ab5798c41f15a3.zip
new helper: sigsuspend()
guts of saved_sigmask-based sigsuspend/rt_sigsuspend. Takes kernel sigset_t *. Open-coded instances replaced with calling it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/alpha/kernel/signal.c')
-rw-r--r--arch/alpha/kernel/signal.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c
index 35f2ef44de12..74b05e6ed441 100644
--- a/arch/alpha/kernel/signal.c
+++ b/arch/alpha/kernel/signal.c
@@ -121,17 +121,8 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
SYSCALL_DEFINE1(sigsuspend, old_sigset_t, mask)
{
sigset_t blocked;
-
- current->saved_sigmask = current->blocked;
-
- mask &= _BLOCKABLE;
siginitset(&blocked, mask);
- set_current_blocked(&blocked);
-
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- set_thread_flag(TIF_RESTORE_SIGMASK);
- return -ERESTARTNOHAND;
+ return sigsuspend(&blocked);
}
asmlinkage int