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Re: [PATCH]: Fix pause calcellation on sparc64*-linux


From: David Miller <davem@davemloft.net>
Date: Fri, 09 May 2008 01:52:05 -0700 (PDT)

Ping?

> When using -fexceptions based cancellations, pause() does not
> unwind into the cancellation handler correctly on sparc64*-linux.
> 
> This is because sparc64*-*-linux uses the C implementation of
> pause() found under glibc/sysdeps/posix/pause.c
> 
> Therefore, we have to build both ptw-pause.c and ptw-sigsuspend.c
> with -fexceptions so that we can fully unwind into the caller's
> cancellation block.
> 
> This fixes nptl/tst-cancelx4 on sparc64*-linux as well as any
> other test that required pause() cancellation to work with
> -fexceptions
> 
> Please apply, thanks.
> 
> nptl/
> 
> 2008-05-09  David S. Miller  <davem@davemloft.net>
> 
> 	* sysdeps/unix/sysv/linux/sparc/sparc64/Makefile: New file.
> ---
>  .../sysdeps/unix/sysv/linux/sparc/sparc64/Makefile |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
>  create mode 100644 nptl/sysdeps/unix/sysv/linux/sparc/sparc64/Makefile
> 
> diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/Makefile b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/Makefile
> new file mode 100644
> index 0000000..1843833
> --- /dev/null
> +++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/Makefile
> @@ -0,0 +1,4 @@
> +CFLAGS-ptw-pause.o += -fexceptions
> +CFLAGS-ptw-pause.os += -fexceptions
> +CFLAGS-ptw-sigsuspend.o += -fexceptions
> +CFLAGS-ptw-sigsuspend.os += -fexceptions
> -- 
> 1.5.5.1.57.g5909c
> 


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