zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/common/sigsuspend.c b/ap/build/uClibc/libc/sysdeps/linux/common/sigsuspend.c
new file mode 100644
index 0000000..ded2aad
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/common/sigsuspend.c
@@ -0,0 +1,59 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * sigsuspend() 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.
+ */
+
+#include <sys/syscall.h>
+
+#if defined __USE_POSIX
+#include <signal.h>
+#undef sigsuspend
+
+libc_hidden_proto(sigsuspend)
+
+#ifdef __NR_rt_sigsuspend
+# define __NR___rt_sigsuspend __NR_rt_sigsuspend
+
+# ifdef __UCLIBC_HAS_THREADS_NATIVE__
+# include <errno.h>
+# include <sysdep-cancel.h>
+
+/* Change the set of blocked signals to SET,
+ wait until a signal arrives, and restore the set of blocked signals. */
+int sigsuspend (const sigset_t *set)
+{
+ if (SINGLE_THREAD_P)
+ return INLINE_SYSCALL (rt_sigsuspend, 2, set, _NSIG / 8);
+
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ int result = INLINE_SYSCALL (rt_sigsuspend, 2, set, _NSIG / 8);
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return result;
+}
+# else
+static inline _syscall2(int, __rt_sigsuspend, const sigset_t *, mask, size_t, size)
+
+int sigsuspend(const sigset_t * mask)
+{
+ return __rt_sigsuspend(mask, _NSIG / 8);
+}
+# endif
+#else
+# define __NR___syscall_sigsuspend __NR_sigsuspend
+static __inline__ _syscall3(int, __syscall_sigsuspend, int, a, unsigned long int, b,
+ unsigned long int, c)
+
+int sigsuspend(const sigset_t * set)
+{
+ return __syscall_sigsuspend(0, 0, set->__val[0]);
+}
+#endif
+libc_hidden_def(sigsuspend)
+#endif