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Date: Tue, 28 Dec 2004 12:30:29 GMT
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To: freebsd-ports-bugs@FreeBSD.org
From: Drazen Kacar <dave@fly.srk.fer.hr>
Subject: Re: ports/62377: strace hangs when running programs from command
	line
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The following reply was made to PR ports/62377; it has been noted by GNATS.

From: Drazen Kacar <dave@fly.srk.fer.hr>
To: freebsd-gnats-submit@FreeBSD.org, nge@cs.hmc.edu
Cc:  
Subject: Re: ports/62377: strace hangs when running programs from command line
Date: Sun, 26 Dec 2004 17:15:21 +0100

 --gBBFr7Ir9EOA20Yy
 Content-Type: text/plain; charset=us-ascii
 Content-Disposition: inline
 
 Happened to me too, with 5.2.1 and 5.3. Attached patch fixes the problem.
 I didn't test on 4.x systems.
 
 -- 
  .-.   .-.    Yes, I am an agent of Satan, but my duties are largely
 (_  \ /  _)   ceremonial.
      |
      |        dave@fly.srk.fer.hr
 
 --gBBFr7Ir9EOA20Yy
 Content-Type: text/plain; charset=us-ascii
 Content-Disposition: attachment; filename="strace-4.5.1.diff"
 
 --- strace.c.orig	Sun Dec 26 14:49:34 2004
 +++ strace.c	Sun Dec 26 16:33:21 2004
 @@ -539,6 +539,23 @@
  				cleanup();
  				exit(1);
  			}
 +#ifdef FREEBSD
 +			{
 +				int status;
 +				pid_t err;
 +
 +				do {
 +					err = waitpid(pid, &status, WUNTRACED);
 +				} while (err == -1 && errno == EINTR);
 +				if (err == -1) {
 +					fprintf(stderr,
 +					        "waitpid() failed: %s\n",
 +						strerror(errno));
 +					cleanup();
 +					exit(1);
 +				}
 +			}
 +#endif
  #ifdef USE_PROCFS
  			if (proc_open(tcp, 0) < 0) {
  				fprintf(stderr, "trouble opening proc file\n");
 
 --gBBFr7Ir9EOA20Yy--