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Re: signals on windows

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: pgsql-hackers-win32 <pgsql-hackers-win32(at)postgresql(dot)org>
Subject: Re: signals on windows
Date: 2003-10-10 17:37:53
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers-win32
Merlin Moncure wrote:

>>It doesn't look like a "signal" is not a kernel primitive on NT, it's a
>>feature of the CRT implemented in userspace with lower-level OS
>That is correct.  Signals in the Unix sense of the word do not exist in
>win32.  A subset of them was emulated by the C runtime for compatibility
>with dos applications.  All real win32 process messaging goes through
>Exception handling, however, is a kernel primitive, and handles some
>cases like int/0 that normally would be handled by signals.  Microsoft
>hacked the C language to include exception support for this reason.
OK, so the practical question facing me is "am I doing the right thing 
for signal handling on Windows in initdb.c, or is something else needed?"



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