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Message-ID:	<56737cf9-4336-474d-8e83-285e93f87988@maxrnd.com>
Date:	Thu, 12 Sep 2024 22:42:46 -0700
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User-Agent:	Mozilla Thunderbird
Subject:	Re: pthread_sigqueue(): First parameter is incompatible with glibc
To:	cygwin AT cygwin DOT com
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From:	Mark Geisert via Cygwin <cygwin AT cygwin DOT com>
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X-MIME-Autoconverted:	from base64 to 8bit by delorie.com id 48D5hC8s3109313

Hi Christian,

On 9/12/2024 9:21 AM, Christian Franke via Cygwin wrote:
> Cygwin /usr/include/pthread.h:
> 
> int pthread_sigqueue (pthread_t *, int, const union sigval);
> 
> Linux /usr/include/x86_64-linux-gnu/bits/sigthread.h:
> 
> extern int pthread_sigqueue (pthread_t __threadid, int __signo,
>                               const union sigval __value) __THROW;
> 
> 
> It is apparently the case since the very first related patch:
> https://sourceware.org/pipermail/cygwin-patches/2012q1/007565.html
> 
> RCS file: /cvs/src/src/winsup/cygwin/thread.cc,v
> ...
> +extern "C" int
> +pthread_sigqueue (pthread_t *thread, int sig, const union sigval value)
> +{

Thanks for the report. There's a couple things wrong that I can see 
right off the bat. The first param should indeed be "pthread_t", and the 
Cygwin code that implements the function should treat that first param 
as a thread id. Currently it's treated as a 'pthread_t *' to match the 
prototype.

I'll work on a patch for these issues.

..mark


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