From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <zsh-workers-return-35985-mason-zsh=primenet.com.au@zsh.org>
Received: (qmail 10479 invoked by alias); 5 Aug 2015 10:37:51 -0000
Mailing-List: contact zsh-workers-help@zsh.org; run by ezmlm
Precedence: bulk
X-No-Archive: yes
List-Id: Zsh Workers List <zsh-workers.zsh.org>
List-Post: <mailto:zsh-workers@zsh.org>
List-Help: <mailto:zsh-workers-help@zsh.org>
X-Seq: 35985
Received: (qmail 29075 invoked from network); 5 Aug 2015 10:37:49 -0000
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on f.primenet.com.au
X-Spam-Level: 
X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIM_SIGNED,
	DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H3,
	RCVD_IN_MSPIKE_WL autolearn=ham autolearn_force=no version=3.4.0
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20120113;
        h=mime-version:in-reply-to:references:from:date:message-id:subject:to
         :content-type;
        bh=6v0cNg3jGOV6uDOM+FfUoWscX3zFMYfJnOlvZ8EwaFQ=;
        b=iBXoDA5y9HR8/ABr/MNjJlbjJDbYGi6QEFENE9I2h5dTQfyXwwtbucfeOEqdc2E2N7
         caju/6TXvhhresKiqfe4nCoVzhPypBWXhih+ehTo/KlU6kBTyb0lCPHNp5x95j6saHHP
         RxQj1k40xOcmtqRnK+VYZ4mEbjP2JlmxLiQBsDMOvcr3yzPRKqisBurjdm1hbLSq7V1Z
         nOcrvDqfZk+2T2iKnQW+RUMbiMX9Zg9pIkQIYHpDWdT0Hv0bFD64sOnDdJ/aDDGEo2Ld
         8tdzdaBWzcpPudsoOGGd3iPnVEvvqqSPkUn3cmCztwsdNPV9wr8sMUa7TDb7F30jJaJi
         IiUQ==
X-Received: by 10.202.204.204 with SMTP id c195mr7179118oig.12.1438771066534;
 Wed, 05 Aug 2015 03:37:46 -0700 (PDT)
MIME-Version: 1.0
In-Reply-To: <150804235400.ZM9958@torch.brasslantern.com>
References: <CA+=GgY7mHkyK4NJQ6m7y-HpVPKOuKx3-bkJqRHriKzZ662_iwA@mail.gmail.com>
 <150803085228.ZM24837@torch.brasslantern.com> <CA+=GgY5iZfgUag_V1jqmCv4=PUGBmaV2cNWTDjSO4DAZ+zm-iQ@mail.gmail.com>
 <150803135818.ZM24977@torch.brasslantern.com> <CA+=GgY7uGzCYEKLBzqrt=ct6q72WFC5w1jMB5RDNe60J-wUz=Q@mail.gmail.com>
 <150804235400.ZM9958@torch.brasslantern.com>
From: Mathias Fredriksson <mafredri@gmail.com>
Date: Wed, 5 Aug 2015 13:37:07 +0300
Message-ID: <CA+=GgY5826pmKzn=WHUKCVWOEfRbP=sCN873arRsYHvGgEUb7A@mail.gmail.com>
Subject: Re: Deadlock when receiving kill-signal from child process
To: zsh-workers@zsh.org
Content-Type: text/plain; charset=UTF-8

On Wed, Aug 5, 2015 at 9:53 AM, Bart Schaefer wrote:
}
} Mathias, if you could apply that patch and try again to reproduce the
} deadlock, it might tell us something.

Of course, here's the output (as I see it in the terminal) with the
applied patch:

TRAPUSR1:1: no job table entry for pid 61571
TRAPUSR1:1: no job table entry for pid 61570
.TRAPUSR1:1: no job table entry for pid 61575
.TRAPUSR1:1: no job table entry for pid 61573
../deadlock.zsh:19: no job table entry for pid 61577
TRAPUSR1:1: no job table entry for pid 61581
.TRAPUSR1:1: no job table entry for pid 61595
TRAPUSR1:1: no job table entry for pid 61582
../deadlock.zsh:20: no job table entry for pid 61585
./deadlock.zsh:20: no job table entry for pid 61589
./deadlock.zsh:20: no job table entry for pid 61590

Furthermore, here is the gdb output from the last script I posted and
zsh built with --enable-zsh-debug:

#0  0x00007fff8abfe72a in __sigsuspend ()
#1  0x0000000108fc05df in signal_suspend ()
#2  0x0000000108f97b05 in zwaitjob ()
#3  0x0000000108f97958 in waitjobs ()
#4  0x0000000108f7a90f in execpline ()
#5  0x0000000108f79c42 in execlist ()
#6  0x0000000108f79a6a in execode ()
#7  0x0000000108f920bb in loop ()
#8  0x0000000108f94d0c in zsh_main ()
#9  0x00007fff8610c5c9 in start ()