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Re: [libunwind] Signal handlers and unw_resume
From: |
Archie Cobbs |
Subject: |
Re: [libunwind] Signal handlers and unw_resume |
Date: |
Tue, 24 Aug 2004 08:55:16 -0500 (CDT) |
David Mosberger wrote:
> Archie> The only issue I can think of is with restoring the signal mask,
> Archie> e.g., like siglongjmp() does. If you only sigjmp() out of a signal
> Archie> handler, the signal remains blocked.
>
> Not with unw_resume(3). To quote from the man-page:
>
> if execution in any of the stack frames younger (more deeply nested)
> than the one identified by cp was interrupted by a signal, then
> unw_resume() will restore all registers as well as the signal mask.
Thanks, glad to know that :-)
-Archie
__________________________________________________________________________
Archie Cobbs * CTO, Awarix * http://www.awarix.com