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From: Rich Felker <dalias@aerifal.cx>
To: musl@lists.openwall.com
Subject: Re: Simple testing task - string functions
Date: Thu, 14 Apr 2011 19:11:40 -0400	[thread overview]
Message-ID: <20110414231140.GO13185@brightrain.aerifal.cx> (raw)
In-Reply-To: <4DA73605.9080107@gmail.com>

On Thu, Apr 14, 2011 at 07:59:33PM +0200, Luka Marčetić wrote:
> Hello again.
> Attached is the solution to the task. The program seems to preform
> as expected, but may still need double-checking.
> The tests therein fail where expected when linked with various old
> versions of musl. Note that although the program is designed to
> allow tests to fail gracefully as suggested, this does not happen
> due to bugs in function implementations in said old versions that
> the program depends on. Rich and Chris have confirmed a bug in 0.7.6
> that causes a segfault in the siglongjmp (longjmp to be exact). I'm
> still waiting for confirmation of inability of version 0.7.5 to
> dispose the same signal to a specified handler properly.

Here's an idea for avoiding the sigsetjmp/siglongjmp bug: just use
setjmp/longjmp, and use sigaction with SA_NODEFER to install the
signal handler. Actually sigaction should always be used to install
signal handlers, since signal is under-specified and you can't be sure
how it will behave.

Rich


  reply	other threads:[~2011-04-14 23:11 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-10  4:45 Rich Felker
2011-04-10 12:08 ` Luka Marčetić
2011-04-10 15:25 ` JIghtuse
2011-04-10 15:34   ` Rich Felker
2011-04-10 15:46   ` keep discussion threads separate (was: Simple testing task - string functions) Solar Designer
2011-04-14 17:59 ` Simple testing task - string functions Luka Marčetić
2011-04-14 23:11   ` Rich Felker [this message]
2011-04-18 12:20     ` Luka Marčetić
2011-04-25 19:34     ` Unit tests Luka Marčetić
2011-04-26 19:14       ` Solar Designer
2011-04-27  0:32         ` Rich Felker
2011-04-27  0:42       ` Rich Felker
2011-04-27  6:29         ` Luka Marčetić
2011-04-29  5:36           ` Solar Designer
2011-04-29 11:54             ` Christian Neukirchen
2011-05-01 19:36               ` Solar Designer
2011-05-02  8:51                 ` Christian Neukirchen
2011-05-02 12:49                   ` Solar Designer
2011-05-02 13:02                     ` errno
2011-05-02 13:11                       ` Rich Felker
2011-05-02 13:30                         ` Solar Designer
2011-05-02 13:32                           ` Rich Felker
2011-05-02 13:52                             ` Solar Designer
2011-05-02 13:27                       ` Solar Designer

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