diff options
Diffstat (limited to 'grpc/third_party/xxhash/tests/bench/timefn.h')
-rw-r--r-- | grpc/third_party/xxhash/tests/bench/timefn.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/grpc/third_party/xxhash/tests/bench/timefn.h b/grpc/third_party/xxhash/tests/bench/timefn.h new file mode 100644 index 00000000..41007f30 --- /dev/null +++ b/grpc/third_party/xxhash/tests/bench/timefn.h @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2016-2020 Yann Collet, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under both the BSD-style license (found in the + * LICENSE file in the root directory of this source tree) and the GPLv2 (found + * in the COPYING file in the root directory of this source tree). + * You may select, at your option, one of the above-listed licenses. + */ + +#ifndef TIME_FN_H_MODULE_287987 +#define TIME_FN_H_MODULE_287987 + +#if defined (__cplusplus) +extern "C" { +#endif + + +/*-**************************************** +* Dependencies +******************************************/ +#include <sys/types.h> /* utime */ +#if defined(_MSC_VER) +# include <sys/utime.h> /* utime */ +#else +# include <utime.h> /* utime */ +#endif +#include <time.h> /* clock_t, clock, CLOCKS_PER_SEC */ + + + +/*-**************************************** +* Local Types +******************************************/ + +#if !defined (__VMS) && (defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) ) +# include <stdint.h> + typedef uint64_t PTime; /* Precise Time */ +#else + typedef unsigned long long PTime; /* does not support compilers without long long support */ +#endif + + + +/*-**************************************** +* Time functions +******************************************/ +#if defined(_WIN32) /* Windows */ + + #include <Windows.h> /* LARGE_INTEGER */ + typedef LARGE_INTEGER UTIL_time_t; + #define UTIL_TIME_INITIALIZER { { 0, 0 } } + +#elif defined(__APPLE__) && defined(__MACH__) + + #include <mach/mach_time.h> + typedef PTime UTIL_time_t; + #define UTIL_TIME_INITIALIZER 0 + +#elif (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) /* C11 */) \ + && defined(TIME_UTC) /* C11 requires timespec_get, but FreeBSD 11 lacks it, while still claiming C11 compliance */ + + typedef struct timespec UTIL_time_t; + #define UTIL_TIME_INITIALIZER { 0, 0 } + +#else /* relies on standard C90 (note : clock_t measurements can be wrong when using multi-threading) */ + + typedef clock_t UTIL_time_t; + #define UTIL_TIME_INITIALIZER 0 + +#endif + + +UTIL_time_t UTIL_getTime(void); +PTime UTIL_getSpanTimeMicro(UTIL_time_t clockStart, UTIL_time_t clockEnd); +PTime UTIL_getSpanTimeNano(UTIL_time_t clockStart, UTIL_time_t clockEnd); + +#define SEC_TO_MICRO ((PTime)1000000) +PTime UTIL_clockSpanMicro(UTIL_time_t clockStart); +PTime UTIL_clockSpanNano(UTIL_time_t clockStart); + +void UTIL_waitForNextTick(void); + + +#if defined (__cplusplus) +} +#endif + +#endif /* TIME_FN_H_MODULE_287987 */ |