From:	sos AT prospect DOT com DOT ru (Sergey Okhapkin)
Subject:	RE: Simple test case of SIGCHLD hang
18 Jun 1997 00:11:05 -0700 :
Approved:	cygnus DOT gnu-win32 AT cygnus DOT com
Distribution:	cygnus
Message-ID:	<01BC7BBF.344B6EA0.cygnus.gnu-win32@sos>
Original-To:	"gnu-win32 AT cygnus DOT com" <gnu-win32 AT cygnus DOT com>,
	"'Chris Faylor'"
	<cgf AT bbc DOT com>
Encoding:	24 TEXT
Original-Sender:	owner-gnu-win32 AT cygnus DOT com

Chris Faylor wrote:
> 
>     sleep(1);
>     fputs("sleeping\n", stderr);
>     sleep(3);
>     sigdelset(&set, SIGCHLD);
>     sigsuspend(&set);
>     exit(0);

I.e. sigsuspend() must check pending signals not blocked by "set" argument and raise ones if exists? Something like

  if(there is pending unblocked signals) {
	 raise(that signals);
	 return 0;
  }
  wait for a new signal forever;
  return 0;

Am I right? Does anybody knows the exact sigsuspend() semantics?

-- 
Sergey Okhapkin, http://www.lexa.ru/sos
Moscow, Russia
Looking for a job

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