Add clock_gettime on Windows in rte_os_shim.h
Signed-off-by: Jie Zhou <j...@microsoft.com>
Signed-off-by: Jie Zhou <j...@linux.microsoft.com>
---
lib/eal/windows/include/rte_os_shim.h | 38 +++++++++++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/lib/eal/windows/include/rte_os_shim.h
b/lib/eal/windows/include/rte_os_shim.h
index 3763cae62..cd1f53dfa 100644
--- a/lib/eal/windows/include/rte_os_shim.h
+++ b/lib/eal/windows/include/rte_os_shim.h
@@ -77,4 +77,42 @@ rte_timespec_get(struct timespec *now, int base)
#endif /* RTE_TOOLCHAIN_GCC */
+/* Identifier for system-wide realtime clock. */
+#define CLOCK_REALTIME 0
+/* Monotonic system-wide clock. */
+#define CLOCK_MONOTONIC 1
+/* High-resolution timer from the CPU. */
+#define CLOCK_PROCESS_CPUTIME_ID 2
+/* Thread-specific CPU-time clock. */
+#define CLOCK_THREAD_CPUTIME_ID 3
+
+#define NS_PER_SEC 1E9
+
+typedef int clockid_t;
+
+static inline int
+rte_clock_gettime(clockid_t clock_id, struct timespec *tp)
+{
+ LARGE_INTEGER pf, pc;
+ LONGLONG nsec;
+ switch (clock_id) {
+ case CLOCK_REALTIME:
+ if (timespec_get(tp, TIME_UTC) != TIME_UTC)
+ return -1;
+ return 0;
+ case CLOCK_MONOTONIC:
+ if (QueryPerformanceFrequency(&pf) == 0)
+ return -1;
+ if (QueryPerformanceCounter(&pc) == 0)
+ return -1;
+ nsec = pc.QuadPart * NS_PER_SEC / pf.QuadPart;
+ tp->tv_sec = nsec / NS_PER_SEC;
+ tp->tv_nsec = nsec - tp->tv_sec * NS_PER_SEC;
+ return 0;
+ default:
+ return -1;
+ }
+}
+#define clock_gettime(clock_id, tp) rte_clock_gettime(clock_id, tp)
+
#endif /* _RTE_OS_SHIM_ */
--
2.30.0.vfs.0.2
