Split up syscalls.c, since it had grown to be quite large and ugly.

 -Erik

1 files changed, 34 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/common/alarm.c b/libc/sysdeps/linux/common/alarm.c
new file mode 100644
index 000000000..a0d6669f9
--- /dev/null
+++ b/libc/sysdeps/linux/common/alarm.c
@@ -0,0 +1,34 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * alarm() for uClibc
+ *
+ * Copyright (C) 2000-2004 by Erik Andersen <andersen@codpoet.org>
+ *
+ * GNU Library General Public License (LGPL) version 2 or later.
+ */
+
+#include "syscalls.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