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Use a realtime clock for measuring time

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This commit is contained in:
Chris Robinson 2009-11-01 10:03:05 -08:00
parent fb258a7416
commit dcd6a55529
2 changed files with 16 additions and 1 deletions
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5
CMakeLists.txt
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@ -234,6 +234,11 @@ IF(NOT HAVE_WINDOWS_H)
IF(HAVE_LIBPTHREAD)
SET(EXTRA_LIBS pthread ${EXTRA_LIBS})
ENDIF()
CHECK_LIBRARY_EXISTS(rt clock_gettime "" HAVE_LIBRT)
IF(HAVE_LIBRT)
SET(EXTRA_LIBS rt ${EXTRA_LIBS})
ENDIF()
ENDIF()
# Check for a 64-bit type

12
OpenAL32/Include/alMain.h
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@ -28,6 +28,7 @@ typedef DWORD tls_type;
#else
#include <unistd.h>
#include <assert.h>
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
@ -91,13 +92,22 @@ static inline void DeleteCriticalSection(CRITICAL_SECTION *cs)
* as opposed to the actual time. */
static inline ALuint timeGetTime(void)
{
struct timeval tv;
int ret;
#ifdef _POSIX_TIMERS
struct timespec ts;
ret = clock_gettime(CLOCK_REALTIME, &ts);
assert(ret == 0);
return ts.tv_nsec/1000000 + ts.tv_sec*1000;
#else
struct timeval tv;
ret = gettimeofday(&tv, NULL);
assert(ret == 0);
return tv.tv_usec/1000 + tv.tv_sec*1000;
#endif
}
static inline void Sleep(ALuint t)