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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Chris Wright <chrisw@osdl.org>
Cc: Roland McGrath <roland@redhat.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH] Always send siginfo for synchronous signals
Date: Wed, 23 Feb 2005 16:50:05 -0800	[thread overview]
Message-ID: <421D24BD.1090307@goop.org> (raw)
In-Reply-To: <20050223234626.GZ15867@shell0.pdx.osdl.net>

Chris Wright wrote:

>>/proc/N/status will tell you that a process has
>>a signal pending, but it won't tell you how many are pending).
>>    
>>
>
>Suggestion for good place to display that info?
>  
>
I guess another line in /proc/N/status:

    SigQue: 0 0 0 0 0 0 0 123 0 0 1238 0 0 0 0 0 ... 0 0 1

or something, but I haven't really thought about it.

>>In fact, bugs with these symptoms have been reported against Valgrind
>>from time to time for years, and its only recently I worked out what's
>>going on (mostly because I introduced a bug which caused Valgrind to do
>>it to itself).
>>    
>>
>This code is pretty new (since 2.6.8-rc1, last June), so I expect some
>other issue in the years past.
>  
>
There was always a limit on the number of pending queue siginfo
signals.  It used to be system-wide rather than per-user though.

    J

  reply	other threads:[~2005-02-24  0:53 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-02-23  6:42 [PATCH] Always send siginfo for synchronous signals Jeremy Fitzhardinge
2005-02-23 20:19 ` Chris Wright
2005-02-23 23:09   ` Jeremy Fitzhardinge
2005-02-23 23:46     ` Chris Wright
2005-02-24  0:50       ` Jeremy Fitzhardinge [this message]
2005-02-24  2:07     ` [PATCH] show RLIMIT_SIGPENDING usage in /proc/PID/status Roland McGrath
2005-02-24  2:33       ` Chris Wright
2005-02-24  2:55         ` Roland McGrath
2005-02-24  3:06           ` Chris Wright
2005-02-24  2:24     ` [PATCH] set RLIMIT_SIGPENDING limit based on RLIMIT_NPROC Roland McGrath
2005-02-24  3:07       ` Chris Wright
2005-02-25  2:05         ` Jeremy Fitzhardinge
2005-02-25  2:10           ` Chris Wright
2005-02-23 23:44   ` [PATCH] Always send siginfo for synchronous signals Jeremy Fitzhardinge
2005-02-24  1:45     ` [PATCH] override RLIMIT_SIGPENDING for non-RT signals Roland McGrath
2005-02-24  2:32       ` Chris Wright
2005-02-24  2:43         ` Roland McGrath
2005-02-24  3:12           ` Chris Wright
2005-02-25  2:01       ` Jeremy Fitzhardinge
2005-02-25  2:12         ` Chris Wright
2005-02-25  2:16           ` Roland McGrath
2005-02-25  3:02             ` Chris Wright

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