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Re: Next release: signal handling rewrite

From: Gisle Vanem
Subject: Re: Next release: signal handling rewrite
Date: Mon, 6 Jan 2020 13:29:05 +0100
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0

Paul Smith wrote:

What I'm considering is enhancing the EINTRLOOP etc. macros that I have
added across the code to check all system calls for EINTR and restart them,
so that this macro also checks to see if a signal has been received and if
so, calls a handler function.  For almost all signals this is just die()
although of course for SIGCHLD we need something different.  This seems
like a straightforward way to quickly detect signals without a lot of code

I hope this will improve the situation on Windows where pressing
^C during make (even a 'make -n') will many times just cause make
to hang. It seems another ^C will cause the 'SetConsoleCtrlHandler()'
to simply create another thread that does nothing.


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