Patch by Vasilis Kaoutsis: Added sigpause().

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25682 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/posix/signal.h

@@ -171,6 +171,7 @@ int 	sigismember(const sigset_t *set, int signo);
 int		sigignore(int signo);
 int		sighold(int signo);
 int		sigrelse(int signo);
+int		sigpause(int signo);
 
 const char *strsignal(int sig);
 

src/system/libroot/posix/signal/Jamfile

@@ -14,6 +14,7 @@ MergeObject posix_signal.o :
 	sighold.cpp
 	sigignore.cpp
 	signal.c
+	sigpause.cpp
 	sigpending.c
 	sigprocmask.c
 	sigrelse.cpp

src/system/libroot/posix/signal/sigpause.cpp

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2008, Vasilis Kaoutsis, kaoutsis@sch.gr
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <signal.h>
+
+
+int
+sigpause(int signal)
+{
+	sigset_t processSignalSet;
+
+	if (sigprocmask(SIG_SETMASK, NULL, &processSignalSet) == -1)
+		return -1;
+
+	if (sigdelset(&processSignalSet, signal) == -1)
+		return -1;
+
+	return sigsuspend(&processSignalSet);
+}