zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/common/alarm.c b/ap/build/uClibc/libc/sysdeps/linux/common/alarm.c
new file mode 100644
index 0000000..cfd68fe
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/common/alarm.c
@@ -0,0 +1,39 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * alarm() 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>
+#include <unistd.h>
+
+
+#ifdef __NR_alarm
+_syscall1(unsigned int, alarm, unsigned int, seconds)
+#else
+#include <sys/time.h>
+
+
+unsigned int alarm(unsigned int seconds)
+{
+ struct itimerval old, new;
+ unsigned int retval;
+
+ new.it_value.tv_usec = 0;
+ new.it_interval.tv_sec = 0;
+ new.it_interval.tv_usec = 0;
+ new.it_value.tv_sec = (long int) seconds;
+ if (setitimer(ITIMER_REAL, &new, &old) < 0) {
+ return 0;
+ }
+ retval = old.it_value.tv_sec;
+ if (old.it_value.tv_usec) {
+ ++retval;
+ }
+ return retval;
+}
+#endif
+libc_hidden_def(alarm)