threads/94176: KSE: sigwait doesn't recieve SIGWINCH sent by pthread_kill() or kill -WINCH

[eugeny gladkih]

The following reply was made to PR threads/94176; it has been noted by GNATS.

From: eugeny gladkih <john at drweb.com>
To: Andriy Gapon <avg at icyb.net.ua>
Cc: bug-followup at FreeBSD.org, David Xu <davidxu at FreeBSD.org>
Subject: Re: threads/94176: KSE: sigwait doesn't recieve SIGWINCH sent by pthread_kill() or kill -WINCH
Date: Thu, 27 Apr 2006 20:50:59 +0400

 >>>>> "AG" == Andriy Gapon <avg at icyb.net.ua> writes:
 
  AG> David, John,
 
  AG> maybe it would be beneficial to the general programmer public to add
  AG> something similar to the NOTES section of the following man page to our
  AG> man page for sigwait:
  AG> http://condor.wesleyan.edu/cgi-bin/man.cgi?section=2&topic=sigwait
 
  AG> Using the original example, it would mean adding something like the
  AG> following code to get the desired behavior:
 
  AG> void dummy_handler(int signum)
  AG> {
  AG>         return;
  AG> }
 
  AG> void *thread(void* unused) {
  AG>   struct sigaction sa;
  AG>   sa.sa_handler = dummy_handler;
  AG>   sigemptyset(&sa.sa_mask);
  AG>   sa.sa_flags = 0;
  AG>   sigaction(SIGWINCH, &sa, NULL);
  AG> .
  AG> .
  AG> .
 
 
 why so stupid code should be presented in all software wanted
 just to wait the signal? :( 
 
 sigwait'ed signal is not ignored one! we DON'T ignore it we DO
 wait for it. I'm afraid there is another problem with SIGTERM
 which will terminate process. am I right, yeah?
 
 -- 
 Yours sincerely, Eugeny.
 Doctor Web, Ltd. http://www.drweb.com