zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/common/waitpid.c b/ap/build/uClibc/libc/sysdeps/linux/common/waitpid.c
new file mode 100644
index 0000000..d043719
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/common/waitpid.c
@@ -0,0 +1,37 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Copyright (C) 2006 Steven J. Hill <sjhill@realitydiluted.com>
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/resource.h>
+
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+#include "sysdep-cancel.h"
+#else
+#define SINGLE_THREAD_P 1
+#endif
+
+libc_hidden_proto(wait4)
+
+extern __typeof(waitpid) __libc_waitpid;
+__pid_t __libc_waitpid(__pid_t pid, int *wait_stat, int options)
+{
+ if (SINGLE_THREAD_P)
+ return wait4(pid, wait_stat, options, NULL);
+
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ int oldtype = LIBC_CANCEL_ASYNC ();
+ int result = wait4(pid, wait_stat, options, NULL);
+ LIBC_CANCEL_RESET (oldtype);
+ return result;
+#endif
+}
+libc_hidden_proto(waitpid)
+weak_alias(__libc_waitpid,waitpid)
+libc_hidden_weak(waitpid)