timer.c

来自「bpmpd是用fortran77语言编写的一个state-of-the-art求」· C语言 代码 · 共 21 行

/* It is the standard C implementation of the timer subroutine used   */
/* by bpmpd. It counts of hundredths of seconds elapsed (user time)   */
/* since the beginning of an implementation specific starting point   */ 

/* Note: By certain systems the name of the function should be timer_   */ 

#include "time.h"
#include "sys/types.h"
#include "sys/times.h"
#include "limits.h"

int timer(wctime) long int *wctime;
{
    struct tms tm;
    clock_t t;
    
    t = times(&tm);
    *wctime = 100.0*tm.tms_utime / (CLK_TCK);
    return 0;
}