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fixed error message

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using stdlib's perror()
This commit is contained in:
Yann Collet 2019-04-10 14:01:18 -07:00
parent 4b8185c7fc
commit 70802cde6d
1 changed files with 23 additions and 7 deletions
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30
programs/timefn.c
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@ -11,6 +11,8 @@
/* === Dependencies === */ /* === Dependencies === */
#include <stdlib.h> /* perror, abort */
#include "timefn.h" #include "timefn.h"
@ -27,8 +29,10 @@ PTime UTIL_getSpanTimeMicro(UTIL_time_t clockStart, UTIL_time_t clockEnd)
static LARGE_INTEGER ticksPerSecond; static LARGE_INTEGER ticksPerSecond;
static int init = 0; static int init = 0;
if (!init) { if (!init) {
if (!QueryPerformanceFrequency(&ticksPerSecond)) if (!QueryPerformanceFrequency(&ticksPerSecond)) {
UTIL_DISPLAYLEVEL(1, "ERROR: QueryPerformanceFrequency() failure\n"); perror("timefn::QueryPerformanceFrequency");
abort();
}
init = 1; init = 1;
} }
return 1000000ULL*(clockEnd.QuadPart - clockStart.QuadPart)/ticksPerSecond.QuadPart; return 1000000ULL*(clockEnd.QuadPart - clockStart.QuadPart)/ticksPerSecond.QuadPart;
@ -39,13 +43,17 @@ PTime UTIL_getSpanTimeNano(UTIL_time_t clockStart, UTIL_time_t clockEnd)
static LARGE_INTEGER ticksPerSecond; static LARGE_INTEGER ticksPerSecond;
static int init = 0; static int init = 0;
if (!init) { if (!init) {
if (!QueryPerformanceFrequency(&ticksPerSecond)) if (!QueryPerformanceFrequency(&ticksPerSecond)) {
UTIL_DISPLAYLEVEL(1, "ERROR: QueryPerformanceFrequency() failure\n"); perror("timefn::QueryPerformanceFrequency");
abort();
}
init = 1; init = 1;
} }
return 1000000000ULL*(clockEnd.QuadPart - clockStart.QuadPart)/ticksPerSecond.QuadPart; return 1000000000ULL*(clockEnd.QuadPart - clockStart.QuadPart)/ticksPerSecond.QuadPart;
} }
#elif defined(__APPLE__) && defined(__MACH__) #elif defined(__APPLE__) && defined(__MACH__)
UTIL_time_t UTIL_getTime(void) { return mach_absolute_time(); } UTIL_time_t UTIL_getTime(void) { return mach_absolute_time(); }
@ -72,14 +80,18 @@ PTime UTIL_getSpanTimeNano(UTIL_time_t clockStart, UTIL_time_t clockEnd)
return ((clockEnd - clockStart) * (PTime)rate.numer) / ((PTime)rate.denom); return ((clockEnd - clockStart) * (PTime)rate.numer) / ((PTime)rate.denom);
} }
#elif (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) /* C11 */) \ #elif (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) /* C11 */) \
&& defined (CLOCK_MONOTONIC) && defined (CLOCK_MONOTONIC)
UTIL_time_t UTIL_getTime(void) UTIL_time_t UTIL_getTime(void)
{ {
UTIL_time_t time; UTIL_time_t time;
if (clock_gettime(CLOCK_MONOTONIC, &time)) if (clock_gettime(CLOCK_MONOTONIC, &time)) {
UTIL_DISPLAYLEVEL(1, "ERROR: Failed to get time\n"); /* we could also exit() */ perror("timefb::clock_gettime");
abort();
}
return time; return time;
} }
@ -114,7 +126,9 @@ PTime UTIL_getSpanTimeNano(UTIL_time_t begin, UTIL_time_t end)
return nano; return nano;
} }
#else /* relies on standard C (note : clock_t measurements can be wrong when using multi-threading) */
#else /* relies on standard C90 (note : clock_t measurements can be wrong when using multi-threading) */
UTIL_time_t UTIL_getTime(void) { return clock(); } UTIL_time_t UTIL_getTime(void) { return clock(); }
PTime UTIL_getSpanTimeMicro(UTIL_time_t clockStart, UTIL_time_t clockEnd) { return 1000000ULL * (clockEnd - clockStart) / CLOCKS_PER_SEC; } PTime UTIL_getSpanTimeMicro(UTIL_time_t clockStart, UTIL_time_t clockEnd) { return 1000000ULL * (clockEnd - clockStart) / CLOCKS_PER_SEC; }
@ -122,6 +136,8 @@ PTime UTIL_getSpanTimeNano(UTIL_time_t clockStart, UTIL_time_t clockEnd) { retur
#endif #endif
/* returns time span in microseconds */ /* returns time span in microseconds */
PTime UTIL_clockSpanMicro(UTIL_time_t clockStart ) PTime UTIL_clockSpanMicro(UTIL_time_t clockStart )
{ {