1  #ifdef ELAPSED_TIME_IN_SECONDS
       2  #undef ELAPSED_TIME_IN_SECONDS
       3  #endif
       4  
       5  #ifdef ELAPSED_TIME_IN_uSECONDS
       6  #undef ELAPSED_TIME_IN_uSECONDS
       7  #endif
       8  
       9  #ifdef __GNUC__
      10  	#include <sys/time.h>
      11  	#ifndef WIN32
      12  		#include <sys/resource.h>
      13  	#endif
      14  #endif
      15  
      16  #ifdef __GNUC__
      17  	#ifndef __CMPH_TIME_H__
      18  		#define __CMPH_TIME_H__
      19  		static inline void elapsed_time_in_seconds(double * elapsed_time)
      20  		{
      21  			struct timeval e_time;
      22  			if (gettimeofday(&e_time, NULL) < 0) {
      23  				return;
      24  			}
      25  			*elapsed_time =  (double)e_time.tv_sec + ((double)e_time.tv_usec/1000000.0);
      26  		}
      27  		static inline void dummy_elapsed_time_in_seconds(double * elapsed_time)
      28  		{
      29                    (void) elapsed_time;
      30  		}
      31  		static inline void elapsed_time_in_useconds(cmph_uint64 * elapsed_time)
      32  		{
      33  			struct timeval e_time;
      34  			if (gettimeofday(&e_time, NULL) < 0) {
      35  				return;
      36  			}
      37  			*elapsed_time =  (cmph_uint64)(e_time.tv_sec*1000000 + e_time.tv_usec);
      38  		}
      39  		static inline void dummy_elapsed_time_in_useconds(cmph_uint64 * elapsed_time)
      40  		{
      41                    (void) elapsed_time;
      42  		}	
      43  	#endif
      44  #endif
      45  
      46  #ifdef CMPH_TIMING
      47  	  #ifdef __GNUC__
      48  		  #define ELAPSED_TIME_IN_SECONDS elapsed_time_in_seconds
      49  		  #define ELAPSED_TIME_IN_uSECONDS elapsed_time_in_useconds
      50  	  #else
      51  		  #define ELAPSED_TIME_IN_SECONDS dummy_elapsed_time_in_seconds
      52  		  #define ELAPSED_TIME_IN_uSECONDS dummy_elapsed_time_in_useconds
      53  	  #endif
      54  #else
      55  	  #ifdef __GNUC__
      56  		  #define ELAPSED_TIME_IN_SECONDS
      57  		  #define ELAPSED_TIME_IN_uSECONDS
      58  	  #else
      59  		  #define ELAPSED_TIME_IN_SECONDS dummy_elapsed_time_in_seconds
      60  		  #define ELAPSED_TIME_IN_uSECONDS dummy_elapsed_time_in_useconds
      61  	  #endif
      62  #endif