[PATCH 2/2] Implement pipe2 system call.

[Peter Mazinger]

Hi,

-------- Original-Nachricht --------
> Datum: Wed, 11 May 2011 08:40:59 +0200
> Von: Thierry Reding <thierry.reding at avionic-design.de>
> An: uclibc at uclibc.org
> Betreff: [PATCH 2/2] Implement pipe2 system call.

> Signed-off-by: Thierry Reding <thierry.reding at avionic-design.de>
> ---
>  include/unistd.h                 |    3 +++
>  libc/sysdeps/linux/common/pipe.c |    3 +++
>  2 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/include/unistd.h b/include/unistd.h
> index c421cb3..00fbbb5 100644
> --- a/include/unistd.h
> +++ b/include/unistd.h
> @@ -389,6 +389,9 @@ extern ssize_t pwrite64 (int __fd, __const void
> *__buf, size_t __n,
>  extern int pipe (int __pipedes[2]) __THROW __wur;
>  libc_hidden_proto(pipe)
>  
> +extern int pipe2 (int __pipedes[2], int flags) __THROW __wur;
> +libc_hidden_proto(pipe2)

why is libc_hidden_* needed? Is pipe2() reused anywhere else in your future patches?

> +
>  /* Schedule an alarm.  In SECONDS seconds, the process will get a
> SIGALRM.
>     If SECONDS is zero, any currently scheduled alarm will be cancelled.
>     The function returns the number of seconds remaining until the last
> diff --git a/libc/sysdeps/linux/common/pipe.c
> b/libc/sysdeps/linux/common/pipe.c
> index 8eae27c..29d9bfb 100644
> --- a/libc/sysdeps/linux/common/pipe.c
> +++ b/libc/sysdeps/linux/common/pipe.c
> @@ -13,3 +13,6 @@
>  
>  _syscall1(int, pipe, int *, filedes)
>  libc_hidden_def(pipe)
> +
> +_syscall2(int, pipe2, int *, filedes, int, flags)
> +libc_hidden_def(pipe2)

you should for now remove both *proto and *def

Peter
> -- 
> 1.7.5.1
> 
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