JOGL: Add 'struct timespec' (POSIX) utils for native time handling

1 files changed, 19 insertions, 0 deletions

diff --git a/src/jogl/native/timespec.h b/src/jogl/native/timespec.h
new file mode 100644
index 000000000..671eb4716
--- /dev/null
+++ b/src/jogl/native/timespec.h
@@ -0,0 +1,19 @@
+#ifndef _timespec_h
+#define _timespec_h
+
+#include <time.h>
+
+void timespec_now(struct timespec *ts);
+void timespec_addms(struct timespec *ts, long ms);
+void timespec_addns(struct timespec *ts, long ns);
+
+/** returns 0: a==b, >0: a>b, <0: a<b */
+int timespec_compare(struct timespec *a, struct timespec *b);
+
+/** computes r = a - b */
+void timespec_subtract(struct timespec *r, struct timespec *a, struct timespec *b);
+
+/** convert the timespec into milliseconds (may overflow) */
+long timespec_milliseconds(struct timespec *a);
+
+#endif /* _timespec_h */