From 799a5b9aca2b2207108525af897444f49fe3a4ab Mon Sep 17 00:00:00 2001 From: Jie Zhou Date: Tue, 29 Jun 2021 13:50:17 -0700 Subject: [PATCH] eal/windows: add clock function Add clock_gettime() on Windows in rte_os_shim.h. Signed-off-by: Jie Zhou Acked-by: Dmitry Kozlyuk --- lib/eal/windows/include/rte_os_shim.h | 33 +++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/lib/eal/windows/include/rte_os_shim.h b/lib/eal/windows/include/rte_os_shim.h index 824d9748ba..33619745ab 100644 --- a/lib/eal/windows/include/rte_os_shim.h +++ b/lib/eal/windows/include/rte_os_shim.h @@ -77,4 +77,37 @@ 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 + +typedef int clockid_t; + +static inline int +rte_clock_gettime(clockid_t clock_id, struct timespec *tp) +{ + const int NS_PER_SEC = 1E9; + 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: + QueryPerformanceFrequency(&pf); + QueryPerformanceCounter(&pc); + + 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_ */ -- 2.20.1