Subject: Re: [boost] [Stacktrace] review, please stop discussing non-Stacktrace issues
From: Antony Polukhin (antoshkka_at_[hidden])
Date: 2016-12-17 13:01:37
2016-12-17 20:47 GMT+03:00 Peter Dimov <lists_at_[hidden]>:
> Antony Polukhin wrote:
>> Actually, it's the other way around: everything is async-signal unsafe
>> https://msdn.microsoft.com/en-us/en-en/library/xdkz3x12.aspx :
>> "Do not use any function that generates a system call (for example,
>> _getcwd or time)."
> There are no signals on Windows. They just don't exist. The signal function
> is provided by the C runtime and emulates signals.
> The closest thing to a signal are the Ctrl+C and Ctrl+Break keyboard
> interrupts, and they spawn a new thread to call the handler, instead of
> reusing one as a POSIX signal would do.
Ok, but the signal documentation does not allow to use a lot of
functions in signal handlers (syscalls, malloc, printf...). Am I
allowed to use COM functions in signal handlers?
-- Best regards, Antony Polukhin
Boost list run by bdawes at acm.org, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk