/*
 * syscall1.c
 *
 * N thread getuid timing test (default 1)
 */

#include "blib.h"

int
main(int ac, char **av)
{
        long long count = 0;
        long long max;
        char c;
        int n;
        int i;
        int j;
        int status;

        printf("timing standard getuid() syscall, single thread\n");
        printf("if using powerd, run several times\n");

        start_timing();
        while (stop_timing(0, NULL) == 0) {
                for (j = 0; j < 100; ++j)
                        getuid();
                count += 100;
        }
        max = count;

        if (ac > 1)
                n = strtol(av[1], NULL, 0);
        else
                n = 1;

        start_timing();
        for (i = 0; i < n; ++i) {
                if (fork() == 0) {
                        for (count = 0; count < max; count += 100) {
                                for (j = 0; j < 100; ++j)
                                        getuid();
                        }
                        _exit(0);
                }
        }
        while (wait3(&status, 0, NULL) >= 0 || errno == EINTR)
                ;
        stop_timing(count * n, "getuid()");

        return(0);
}