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[COMMITTED PATCH] Add generic POSIX implementation of C11 timespec_get.
- From: Roland McGrath <roland at hack dot frob dot com>
- To: "GNU C. Library" <libc-alpha at sourceware dot org>
- Date: Tue, 23 Apr 2013 15:32:23 -0700 (PDT)
- Subject: [COMMITTED PATCH] Add generic POSIX implementation of C11 timespec_get.
2013-04-23 Roland McGrath <roland@hack.frob.com>
* sysdeps/posix/timespec_get.c: New file.
--- /dev/null
+++ b/sysdeps/posix/timespec_get.c
@@ -0,0 +1,38 @@
+/* timespec_get -- C11 interface to sample a clock. Generic POSIX.1 version.
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License.
+
+ The GNU C 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <time.h>
+
+
+/* Set TS to calendar time based in time base BASE. */
+int
+timespec_get (struct timespec *ts, int base)
+{
+ switch (base)
+ {
+ case TIME_UTC:
+ if (clock_gettime (CLOCK_REALTIME, ts) < 0)
+ return 0;
+ break;
+
+ default:
+ return 0;
+ }
+
+ return base;
+}