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authorTavian Barnes <tavianator@gmail.com>2009-09-17 13:33:06 +0000
committerTavian Barnes <tavianator@gmail.com>2009-09-17 13:33:06 +0000
commit9a358c3cdf8eb34754cc5544e2a5e0f67c022f8d (patch)
treea351b5a08f614e3ceeb7f63c7cf68f68377e54c5 /src/timespec.c
parenta9f27bf33c6b6b6e9aac0eb1e69743120a11daa1 (diff)
downloadlibsandglass-9a358c3cdf8eb34754cc5544e2a5e0f67c022f8d.tar.xz
Improve sandglass_tsc_resolution(), and fix timespec-based grains counts.
Diffstat (limited to 'src/timespec.c')
-rw-r--r--src/timespec.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/timespec.c b/src/timespec.c
new file mode 100644
index 0000000..81a5815
--- /dev/null
+++ b/src/timespec.c
@@ -0,0 +1,30 @@
+/*************************************************************************
+ * Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of The Sandglass Library. *
+ * *
+ * The Sandglass 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 *
+ * 3 of the License, or (at your option) any later version. *
+ * *
+ * The Sandglass 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 this program. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "sandglass_impl.h"
+#include "sandglass.h"
+#include <time.h>
+
+/* Convert a timespec to grains */
+long
+sandglass_timespec_grains(const struct timespec *ts)
+{
+ return (ts->tv_sec%2L)*1000000000L + ts->tv_nsec;
+} \ No newline at end of file