Add clock_gettime() submitted by Justus Pendleton <uc@ryoohki.net>.

1 files changed, 40 insertions, 0 deletions

diff --git a/libc/misc/time/clock_gettime.c b/libc/misc/time/clock_gettime.c
new file mode 100644
index 000000000..550cf4dc4
--- /dev/null
+++ b/libc/misc/time/clock_gettime.c
@@ -0,0 +1,40 @@
+/*  Copyright (C) 2003     Justus Pendleton     <uc@ryoohki.net>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public
+ *  License along with this library; if not, write to the Free
+ *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define _GNU_SOURCE
+#include <time.h>
+#include <errno.h>
+#include <sys/time.h>
+
+int clock_gettime (clockid_t clock, struct timespec* ts)
+{
+	struct timeval tv;
+	int retval = -1;
+	switch (clock) {
+		case CLOCK_REALTIME:
+			retval = gettimeofday (&tv, NULL);
+			if (retval == 0) {
+				TIMEVAL_TO_TIMESPEC (&tv, ts);
+			}
+			break;
+		default:
+			errno = EINVAL;
+			break;
+	}
+	return retval;
+}
+