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Re: [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race
From: |
malc |
Subject: |
Re: [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread" |
Date: |
Thu, 8 Oct 2009 20:39:33 +0400 (MSD) |
On Thu, 8 Oct 2009, Jamie Lokier wrote:
> malc wrote:
> > On Thu, 8 Oct 2009, Jamie Lokier wrote:
> >
> > > malc wrote:
> > > > > The use of sigprocmask() is unspecified in a
> > > > > multithreaded process; see pthread_sigmask(3).
> > > > >
> > > > > Does it matter?
> > > >
> > > > One of the patches i've asked you to try today replaced sigprocmask with
> > > > pthread_sigmask, you've said it did nothing. In any case, strictly
> > > > speaking, the code is wrong, so yes it does matter in theory.
> > >
> > > It won't matter on a Linux host (they are the same), but
> > > pthread_sigmask should be used because it's Right(tm) and it could
> > > make a difference on some other host.
> >
> > What made you think i'm of a different opinion?
>
> The fact you asked Michael to test a patch which replaced sigprocmask
> with pthread_sigmask.
That made you think i'm somehow in favour of sigprocmask? I'm confused.
--
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- [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", (continued)
- [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", malc, 2009/10/07
- [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", Anthony Liguori, 2009/10/07
- [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", Michael S. Tsirkin, 2009/10/07
- [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", Michael S. Tsirkin, 2009/10/07
- [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", malc, 2009/10/07
- [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", Michael S. Tsirkin, 2009/10/07
- [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", malc, 2009/10/07
- Re: [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", Jamie Lokier, 2009/10/07
- Re: [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", malc, 2009/10/07
- Re: [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", Jamie Lokier, 2009/10/08
- Re: [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread",
malc <=
- Re: [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", Jamie Lokier, 2009/10/09
- Re: [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", malc, 2009/10/09
- Re: [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", Michael S. Tsirkin, 2009/10/08
- Re: [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", Anthony Liguori, 2009/10/08
- Re: [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", Anthony Liguori, 2009/10/08
- Re: [Qemu-devel] Re: [PATCH] Revert "posix-aio-compat: avoid signal race when spawning a thread", Jamie Lokier, 2009/10/09