From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Tue,  7 Nov 2006 19:00:42 -0500
From: ISHWAR RATTAN <rattan@cps.cmich.edu>
To: 9fans@cse.psu.edu
Message-ID: <Pine.GSO.4.61.0611071856060.1587@cps-kurali.cps.cmich.edu>
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Subject: [9fans] Here is a silly question..
Topicbox-Message-UUID: dc8e22a2-ead1-11e9-9d60-3106f5b1d025


How does one do a time-out using alarm() call? It seems
that syscall read() is not aborted by alarm()..

   int rd, try = 0;
   char buf[1024];

   while(try < 2) {
      alarm(2 * 1000);
      rd = read(0, buf, 1024);
      alarm(0);
      if(rd > 0) {
 	write(1, buf, rd);
 	break;
      }
   }

-ishwar