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Date: Mon, 22 Nov 2021 14:06:19 +0100
To: cygwin AT cygwin DOT com
Subject: Re: raise(-1) has stopped returning an error recently
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From: Corinna Vinschen via Cygwin <cygwin AT cygwin DOT com>
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On Nov 22 11:25, Corinna Vinschen via Cygwin wrote:
> On Nov 22 16:20, Duncan Roe wrote:
> > Hi,
> > 
> > I stumbled across this when running 'make check' in the grep source directory.
> > 
> > test-raise failed when it didn't a few weeks ago.
> 
> Pretty unlikely.  This code didn;'t change for ages.  I just checked
> against Cygwin 3.2.0 and it also returns success.
> 
> > #include <stdio.h>
> > #include <signal.h>
> > 
> > int
> > main (void)
> > {
> >   int retcod;
> > 
> >   retcod = raise (-1);
> >   printf("raise(-1) returned %d\n", retcod);
> > }
> 
> Thanks for the STC.  There are actually two long-standing problems,
> one in raise, calling pthread_kill even for non-threaded processes,
> one in pthread_kill, not checking the signal number.
> 
> I'll patch them right away.

I created a patchset:
https://sourceware.org/git?p=newlib-cygwin.git;a=commitdiff;h=d54d8f173d66
https://sourceware.org/git?p=newlib-cygwin.git;a=commitdiff;h=24bffff63eb7
https://sourceware.org/git?p=newlib-cygwin.git;a=commitdiff;h=afb7c557d2af

Please test the latest developer snapshot from http://cygwin.com/snapshots/


Thanks,
Corinna


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