92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/*******************************************************************************
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* The BYTE UNIX Benchmarks - Release 3
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* Module: execl.c SID: 3.3 5/15/91 19:30:19
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*
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*******************************************************************************
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* Bug reports, patches, comments, suggestions should be sent to:
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*
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* Ben Smith, Rick Grehan or Tom Yager
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* ben@bytepb.byte.com rick_g@bytepb.byte.com tyager@bytepb.byte.com
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*
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*******************************************************************************
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* Modification Log:
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* $Header: execl.c,v 3.5 87/06/22 15:37:08 kjmcdonell Beta $
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* August 28, 1990 - Modified timing routines
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* October 22, 1997 - code cleanup to remove ANSI C compiler warnings
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* Andy Kahn <kahn@zk3.dec.com>
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*
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******************************************************************************/
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/*
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* Execing
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*
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*/
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char SCCSid[] = "@(#) @(#)execl.c:3.3 -- 5/15/91 19:30:19";
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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char bss[8*1024]; /* something worthwhile */
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#define main dummy
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#include "big.c" /* some real code */
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#undef main
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int main(int argc, char *argv[]) /* the real program */
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{
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unsigned long iter = 0;
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char *ptr;
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char *fullpath;
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int duration;
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char count_str[12], start_str[24], path_str[256], *dur_str;
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time_t start_time, this_time;
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#ifdef DEBUG
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int count;
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for(count = 0; count < argc; ++ count)
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printf("%s ",argv[count]);
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printf("\n");
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#endif
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if (argc < 2)
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{
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fprintf(stderr, "Usage: %s duration\n", argv[0]);
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exit(1);
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}
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duration = atoi(argv[1]);
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if (duration > 0)
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/* the first invocation */
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{
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dur_str = argv[1];
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if((ptr = getenv("UB_BINDIR")) != NULL)
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sprintf(path_str,"%s/execl",ptr);
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fullpath=path_str;
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time(&start_time);
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}
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else /* one of those execl'd invocations */
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{
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/* real duration follow the phoney null duration */
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duration = atoi(argv[2]);
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dur_str = argv[2];
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iter = (unsigned long)atoi(argv[3]); /* where are we now ? */
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sscanf(argv[4], "%lu", (unsigned long *) &start_time);
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fullpath = argv[0];
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}
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sprintf(count_str, "%lu", ++iter); /* increment the execl counter */
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sprintf(start_str, "%lu", (unsigned long) start_time);
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time(&this_time);
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if (this_time - start_time >= duration) { /* time has run out */
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fprintf(stderr, "COUNT|%lu|1|lps\n", iter);
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exit(0);
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}
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execl(fullpath, fullpath, "0", dur_str, count_str, start_str, (void *) 0);
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fprintf(stderr, "Exec failed at iteration %lu\n", iter);
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perror("Reason");
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exit(1);
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}
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