From:	u7711501 AT bicmos DOT ee DOT nctu DOT edu DOT tw (Jih-Shin Ho)
Newsgroups:	comp.os.msdos.djgpp
Subject:	setitimer() under win3.1 and win95
Date:	5 Dec 1996 00:54:50 GMT
Organization:	Computer Center, National Chiao-Tung University, Taiwan
Lines:	37
Message-ID:	<5856gq$gm1@ccnews.nctu.edu.tw>
NNTP-Posting-Host:	bicmos.ee.nctu.edu.tw
NNTP-Posting-User:	u7711501
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Hi:
  Can I use setitimer() under win3.1 and win95 ? I always get protection
fault. Note that this fault is reported by windows, not by Djgpp. That is,
the Djgpp run-time shows no problem, but windows sayes that this program is
bad. The following is the small source code I write:

#include <sys/time.h>
#include <stdio.h>
#include <unistd.h>
#include <signal.h>

static int value;

static void test(int signum)
{
  value = 0;
}

volatile int i; /* force reading memory */

int main()
{
  struct itimerval a;

  a.it_interval.tv_sec = a.it_value.tv_sec = 0;
  a.it_interval.tv_usec = a.it_value.tv_usec = 56000;
  /* about 9 signals / second */

  signal(SIGALRM,test);
  setitimer(ITIMER_REAL,&a,NULL);
  for (i = 0; i < 100; ++i) sleep(1);
  return(0);
}

-- 
  Jih-Shin Ho, National Chiao Tung University
  u7711501 AT bicmos DOT ee DOT nctu DOT edu DOT tw

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