diff options
| author | Rickard Green <[email protected]> | 2015-03-23 16:39:56 +0100 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2015-03-23 17:16:09 +0100 |
| commit | e52829ceb614b36c31a650dea455a463fc490698 (patch) | |
| tree | 425d5f2a6286f0545c4f70b12ba94584fd468de5 /erts/emulator/sys/unix/erl_unix_sys.h | |
| parent | d07319f790eb38c867bd04a23de674e2393825ff (diff) | |
| download | otp-e52829ceb614b36c31a650dea455a463fc490698.tar.gz otp-e52829ceb614b36c31a650dea455a463fc490698.tar.bz2 otp-e52829ceb614b36c31a650dea455a463fc490698.zip | |
erts_sys_hrtime() for lcnt
Diffstat (limited to 'erts/emulator/sys/unix/erl_unix_sys.h')
| -rw-r--r-- | erts/emulator/sys/unix/erl_unix_sys.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/erts/emulator/sys/unix/erl_unix_sys.h b/erts/emulator/sys/unix/erl_unix_sys.h index 303ebeee7c..a14a4b3eae 100644 --- a/erts/emulator/sys/unix/erl_unix_sys.h +++ b/erts/emulator/sys/unix/erl_unix_sys.h @@ -161,8 +161,10 @@ typedef struct tms SysTimes; #if SIZEOF_LONG == 8 typedef long ErtsMonotonicTime; +typedef long ErtsSysHrTime; #elif SIZEOF_LONG_LONG == 8 typedef long long ErtsMonotonicTime; +typedef long long ErtsSysHrTime; #else #error No signed 64-bit type found... #endif @@ -201,6 +203,7 @@ ErtsMonotonicTime erts_os_monotonic_time(void); #elif defined(OS_MONOTONIC_TIME_USING_GETHRTIME) #define erts_os_monotonic() ((ErtsMonotonicTime) gethrtime()) +#define erts_sys_hrtime() ((ErtsSysHrTime) gethrtime()) #elif defined(OS_MONOTONIC_TIME_USING_MACH_CLOCK_GET_TIME) \ || defined(OS_MONOTONIC_TIME_USING_TIMES) @@ -221,6 +224,15 @@ ErtsMonotonicTime erts_os_monotonic_time(void); #endif +/* + * erts_sys_hrtime() is the highest resolution + * time function found. Time unit is nano-seconds. + * It may or may not be monotonic. + */ +#ifndef erts_sys_hrtime +extern ErtsSysHrTime erts_sys_hrtime(void); +#endif + struct erts_sys_time_read_only_data__ { #ifdef ERTS_OS_MONOTONIC_INLINE_FUNC_PTR_CALL__ ErtsMonotonicTime (*os_monotonic_time)(void); |