From git  Mon Jun 02 11:28:25 2014
From: Johannes Sixt <j.sixt () viscovery ! net>
Date: Mon, 02 Jun 2014 11:28:25 +0000
To: git
Subject: Re: [PATCH v3 0/9] replace signal() with sigaction()
Message-Id: <538C5FD9.1010706 () viscovery ! net>
X-MARC-Message: https://marc.info/?l=git&m=140170851421360

Am 6/1/2014 20:10, schrieb Jeremiah Mahler:
> This is version 3 of the patch set to convert signal(2) to sigaction(2)
> (previous discussion [1]).
> 
> [1]: http://marc.info/?l=git&m=140148352416926&w=2
> 
> Changes in this revision include:
> 
>   - Using NULL pointers instead of 0 as per the
>     Documentation/CodingGuidlines pointed out by Chris Packham.
> 
>     sigaction(SIGCHLD, &sa, NULL);
> 
>   - Conversion of all remaining files which used signal().
> 
>   - sigchain.c required the most changes.  Both the old signal handler
>     was used and the return value from signal() was being checked.
>     signal() would return the previous error handler which would be
>     SIG_ERR if an error occurred.  sigaction() just returns -1 in this
>     case.
> 
> Jeremiah Mahler (9):
>   compat/mingw.c: expand MinGW support for sigaction
>   connect.c: replace signal() with sigaction()
>   progress.c: replace signal() with sigaction()
>   write_or_die.c: replace signal() with sigaction()
>   daemon.c: replace signal() with sigaction()
>   builtin/log.c: replace signal() with sigaction()
>   builtin/merge-index.c: replace signal() with sigaction()
>   builtin/verify-tag.c: replace signal() with sigaction()
>   sigchain.c: replace signal() with sigaction()

The series without patch 9/9 works on Windows so far.

Without patch patch 9/9 and a more complete implementation of sigaction in
compat/mingw.c the series misses its goal. But even if you complete it, it
is IMHO only code churn without practical merits.

-- Hannes

> 
>  builtin/log.c         |  6 +++++-
>  builtin/merge-index.c |  5 ++++-
>  builtin/verify-tag.c  |  5 ++++-
>  compat/mingw.c        |  9 +++++----
>  connect.c             |  5 ++++-
>  daemon.c              | 16 +++++++++++++---
>  progress.c            |  6 +++++-
>  sigchain.c            | 14 +++++++++++---
>  write_or_die.c        |  6 +++++-
>  9 files changed, 56 insertions(+), 16 deletions(-)
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