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: 3F86EE71.6050700@dunslane.net
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
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
>>
>>
>primitives.
>
>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
>messages.
>
>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?"

cheers

andrew

In response to

Browse pgsql-hackers-win32 by date

  From Date Subject
Next Message Andrew Dunstan 2003-10-12 17:13:41 Re: [HACKERS] initdb
Previous Message Merlin Moncure 2003-10-10 17:08:46 Re: signals on windows