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dont use clock_gettime by default

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This commit is contained in:
Jean-Francois Dockes 2012-12-18 16:22:59 +01:00
parent a0e273ddd4
commit 4f66de4cdb
1 changed files with 12 additions and 1 deletions
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13
src/utils/smallut.cpp
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@ -676,12 +676,23 @@ typedef int clockid_t;
((TV).tv_nsec - m_nsecs) / 1000)) ((TV).tv_nsec - m_nsecs) / 1000))
#define NANOS(TV) ( (long long)(((TV).tv_sec - m_secs) * 1000000000LL + \ #define NANOS(TV) ( (long long)(((TV).tv_sec - m_secs) * 1000000000LL + \
((TV).tv_nsec - m_nsecs))) ((TV).tv_nsec - m_nsecs)))
// Using clock_gettime() is nice because it gives us ns res and it helps with
// computing threads work times, but it's also a pita because it forces linking
// with -lrt. So keep it optional. And not on the mac anyway
// #define USE_CLOCK_GETTIME
#ifdef __APPLE__ #ifdef __APPLE__
#undef USE_CLOCK_GETTIME
#endif
#ifndef USE_CLOCK_GETTIME
#include <sys/time.h> #include <sys/time.h>
#endif #endif
static void gettime(clockid_t clk_id, struct timespec *ts) static void gettime(clockid_t clk_id, struct timespec *ts)
{ {
#ifdef __APPLE__ #ifndef USE_CLOCK_GETTIME
struct timeval tv; struct timeval tv;
gettimeofday(&tv, 0); gettimeofday(&tv, 0);
ts->tv_sec = tv.tv_sec; ts->tv_sec = tv.tv_sec;