X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=kernel%2Fsignal.c;h=d3efafd8109a3e4597bf89213d8eaa8fa1852f33;hb=b4103333d7904310d34de18d85e51e3d74f00a3b;hp=1da2e74beb97240947ebe3da5a30a4c5ae81a8fe;hpb=c59ede7b78db329949d9cdcd7064e22d357560ef;p=linux-2.6-omap-h63xx.git

diff --git a/kernel/signal.c b/kernel/signal.c
index 1da2e74beb9..d3efafd8109 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -476,7 +476,7 @@ unblock_all_signals(void)
 	spin_unlock_irqrestore(&current->sighand->siglock, flags);
 }
 
-static inline int collect_signal(int sig, struct sigpending *list, siginfo_t *info)
+static int collect_signal(int sig, struct sigpending *list, siginfo_t *info)
 {
 	struct sigqueue *q, *first = NULL;
 	int still_pending = 0;
@@ -1881,7 +1881,7 @@ do_signal_stop(int signr)
  * We return zero if we still hold the siglock and should look
  * for another signal without checking group_stop_count again.
  */
-static inline int handle_group_stop(void)
+static int handle_group_stop(void)
 {
 	int stop_count;
 
@@ -2721,6 +2721,32 @@ sys_pause(void)
 
 #endif
 
+#ifdef __ARCH_WANT_SYS_RT_SIGSUSPEND
+asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize)
+{
+	sigset_t newset;
+
+	/* XXX: Don't preclude handling different sized sigset_t's.  */
+	if (sigsetsize != sizeof(sigset_t))
+		return -EINVAL;
+
+	if (copy_from_user(&newset, unewset, sizeof(newset)))
+		return -EFAULT;
+	sigdelsetmask(&newset, sigmask(SIGKILL)|sigmask(SIGSTOP));
+
+	spin_lock_irq(&current->sighand->siglock);
+	current->saved_sigmask = current->blocked;
+	current->blocked = newset;
+	recalc_sigpending();
+	spin_unlock_irq(&current->sighand->siglock);
+
+	current->state = TASK_INTERRUPTIBLE;
+	schedule();
+	set_thread_flag(TIF_RESTORE_SIGMASK);
+	return -ERESTARTNOHAND;
+}
+#endif /* __ARCH_WANT_SYS_RT_SIGSUSPEND */
+
 void __init signals_init(void)
 {
 	sigqueue_cachep =