aboutsummaryrefslogtreecommitdiff
path: root/time/timespec_getres.c
diff options
context:
space:
mode:
Diffstat (limited to 'time/timespec_getres.c')
-rw-r--r--time/timespec_getres.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/time/timespec_getres.c b/time/timespec_getres.c
new file mode 100644
index 0000000000..2a5f6ede76
--- /dev/null
+++ b/time/timespec_getres.c
@@ -0,0 +1,32 @@
+/* Get resolution of a time base.
+ Copyright (C) 2021 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <time.h>
+
+
+/* Set TS to resolution of time base BASE. */
+int
+timespec_getres (struct timespec *ts, int base)
+{
+ if (base == TIME_UTC)
+ {
+ __clock_getres (CLOCK_REALTIME, ts);
+ return base;
+ }
+ return 0;
+}