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X-WM-Posted-At:	MailAndNews.com; Fri, 26 May 00 02:11:34 -0400
To:	cygwin AT sourceware DOT cygnus DOT com
Subject:	Re: Need help. Latest snapshot may be next cygwin net release.
References:	<20000525154409 DOT A13047 AT cygnus DOT com>
Reply-to:	egorovv AT mailandnews DOT com
From:	Vadim Egorov <egorovv AT mailandnews DOT com>
In-Reply-To:	Chris Faylor's message of "Thu, 25 May 2000 15:44:10 -0400"
User-Agent:	Gnus/5.0807 (Gnus v5.8.7) Emacs/20.6
Date:	26 May 2000 10:11:15 +0400
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MIME-Version:	1.0

Sorry, the message body seems was lost on the way.

Chris Faylor <cgf AT cygnus DOT com> writes:

> I would appreciate it if any adventurous souls would try out the
> latest cygwin snapshot by downloading this:

libstdc++-v3 configure hangs again. An old problem with signals.
This is a  piece of code which hangs and  a strace log.

#include <unistd.h>
#include <signal.h>
#include <setjmp.h>

static jmp_buf	env;
int signo = SIGSEGV;

static void sig_handler(int sig)
{
    static sigset_t x;
    signal (sig, sig_handler);
    sigemptyset (&x);
    sigprocmask(SIG_SETMASK, &x, NULL);

    longjmp(env, 1);
}

int main(int argc, char * * argv)
{
    if (setjmp(env) == 0 ) 
    {
        signal(signo, sig_handler);
        *(char*)0 = 1;
    }
    return 0;
}
-- 
Regards,
Vadim Egorov 


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