zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/common/pause.c b/ap/build/uClibc/libc/sysdeps/linux/common/pause.c
new file mode 100644
index 0000000..ab16fa7
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/common/pause.c
@@ -0,0 +1,41 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * pause() for uClibc
+ *
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#define __UCLIBC_HIDE_DEPRECATED__
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+#include <sysdep-cancel.h>
+#endif
+
+#include <signal.h>
+
+/* Suspend the process until a signal arrives.
+ This always returns -1 and sets errno to EINTR. */
+extern __typeof(pause) __libc_pause;
+int
+__libc_pause (void)
+{
+ sigset_t set;
+
+ /*__sigemptyset (&set); - why? */
+ sigprocmask (SIG_BLOCK, NULL, &set);
+
+ /* pause is a cancellation point, but so is sigsuspend.
+ So no need for anything special here. */
+
+ return sigsuspend (&set);
+}
+weak_alias (__libc_pause, pause)
+
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+LIBC_CANCEL_HANDLED (); /* sigsuspend handles our cancellation. */
+#endif
+