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Re: [Qemu-devel] [PATCH] Handle terminating signals.
From: |
M. Warner Losh |
Subject: |
Re: [Qemu-devel] [PATCH] Handle terminating signals. |
Date: |
Tue, 12 Aug 2008 13:29:06 -0600 (MDT) |
In message: <address@hidden>
Gerd Hoffmann <address@hidden> writes:
: Ian Jackson wrote:
: > Gerd Hoffmann writes ("Re: [Qemu-devel] [PATCH] Handle terminating
signals."):
: >> Ian Jackson wrote:
: >>> SIGQUIT should not be in this list. QUIT does not mean `please
: >>> terminate'. It's a signal used for debugging purposes and usually
: >>> means `please pretend this program took a SEGV'. The default action
: >>> is to die and dump core, and this should be preserved.
: >> Ok, we could take the SIGSEGV cleanup route, then call abort(). That
: >> should come close enougth. Does that sound ok?
: >
: > No, because the program should not attempt to catch SEGV either.
:
: Why not? Can you change your attitude to say "no" without giving
: reasons please?
The only portable thing one can do when catching SEGV is terminate the
program. Otherwise, when the signal handler returns, SEGV happens
again...
Warner
- [Qemu-devel] [PATCH] Handle terminating signals., Gerd Hoffmann, 2008/08/06
- Re: [Qemu-devel] [PATCH] Handle terminating signals., Ian Jackson, 2008/08/11
- Re: [Qemu-devel] [PATCH] Handle terminating signals., Gerd Hoffmann, 2008/08/11
- Re: [Qemu-devel] [PATCH] Handle terminating signals., Ian Jackson, 2008/08/12
- Re: [Qemu-devel] [PATCH] Handle terminating signals., Stefano Stabellini, 2008/08/12
- Re: [Qemu-devel] [PATCH] Handle terminating signals., Gerd Hoffmann, 2008/08/12
- Re: [Qemu-devel] [PATCH] Handle terminating signals.,
M. Warner Losh <=
- Re: [Qemu-devel] [PATCH] Handle terminating signals., Gerd Hoffmann, 2008/08/12
- Re: [Qemu-devel] [PATCH] Handle terminating signals., Anthony Liguori, 2008/08/12
- Re: [Qemu-devel] [PATCH] Handle terminating signals., Daniel P. Berrange, 2008/08/13
- Re: [Qemu-devel] [PATCH] Handle terminating signals., Ian Jackson, 2008/08/13