glib/cmph/cmph_time.h
2018-12-20 17:34:38 +01:00

63 lines
1.6 KiB
C

#ifdef ELAPSED_TIME_IN_SECONDS
#undef ELAPSED_TIME_IN_SECONDS
#endif
#ifdef ELAPSED_TIME_IN_uSECONDS
#undef ELAPSED_TIME_IN_uSECONDS
#endif
#ifdef __GNUC__
#include <sys/time.h>
#ifndef WIN32
#include <sys/resource.h>
#endif
#endif
#ifdef __GNUC__
#ifndef __CMPH_TIME_H__
#define __CMPH_TIME_H__
static inline void elapsed_time_in_seconds(double * elapsed_time)
{
struct timeval e_time;
if (gettimeofday(&e_time, NULL) < 0) {
return;
}
*elapsed_time = (double)e_time.tv_sec + ((double)e_time.tv_usec/1000000.0);
}
static inline void dummy_elapsed_time_in_seconds(double * elapsed_time)
{
(void) elapsed_time;
}
static inline void elapsed_time_in_useconds(cmph_uint64 * elapsed_time)
{
struct timeval e_time;
if (gettimeofday(&e_time, NULL) < 0) {
return;
}
*elapsed_time = (cmph_uint64)(e_time.tv_sec*1000000 + e_time.tv_usec);
}
static inline void dummy_elapsed_time_in_useconds(cmph_uint64 * elapsed_time)
{
(void) elapsed_time;
}
#endif
#endif
#ifdef CMPH_TIMING
#ifdef __GNUC__
#define ELAPSED_TIME_IN_SECONDS elapsed_time_in_seconds
#define ELAPSED_TIME_IN_uSECONDS elapsed_time_in_useconds
#else
#define ELAPSED_TIME_IN_SECONDS dummy_elapsed_time_in_seconds
#define ELAPSED_TIME_IN_uSECONDS dummy_elapsed_time_in_useconds
#endif
#else
#ifdef __GNUC__
#define ELAPSED_TIME_IN_SECONDS
#define ELAPSED_TIME_IN_uSECONDS
#else
#define ELAPSED_TIME_IN_SECONDS dummy_elapsed_time_in_seconds
#define ELAPSED_TIME_IN_uSECONDS dummy_elapsed_time_in_useconds
#endif
#endif