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authorRoland McGrath <roland@hack.frob.com>2013-04-23 15:28:59 -0700
committerRoland McGrath <roland@hack.frob.com>2013-04-23 15:28:59 -0700
commit87f51853ce3671f4ba9a9953de1fff952c5f7e52 (patch)
treefa53b031128208c47b9bfc470b1407a6787b931e /sysdeps
parent3c0265394d9ffedff2b0de508602dc52e077ce5c (diff)
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Add generic POSIX implementation of C11 timespec_get.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/posix/timespec_get.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/posix/timespec_get.c b/sysdeps/posix/timespec_get.c
new file mode 100644
index 0000000000..22a06c8bee
--- /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;
+}