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From: Ralph Corderoy <ralph@inputplus.co.uk>
To: coff@tuhs.org
Subject: [COFF] Conditions, AKA exceptions.
Date: Sat, 11 Mar 2023 11:28:49 +0000	[thread overview]
Message-ID: <20230311112849.22C0920145@orac.inputplus.co.uk> (raw)
In-Reply-To: <20230310174222.GB9225@mcvoy.com>

Hi Larry,

>         cmd = aprintf("gdb -batch -ex backtrace '%s/bk' %u 1>&%d 2>&%d",
>             bin, getpid(), fileno(f), fileno(f));
>
>         system(cmd);

I also came up with this, probably on an SGI Iris Indigo, and got it
added to the Unix Programming FAQ.  :-)

    6.5 How can I generate a stack dump from within a running program?
    http://www.faqs.org/faqs/unix-faq/programmer/faq/

It works surprisingly often, i.e. the process is healthy enough to run
system(3).

-- 
Cheers, Ralph.

  reply	other threads:[~2023-03-11 11:28 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-10 17:11 [COFF] Re: [TUHS] Re: Conditions, AKA exceptions. (Was: I can't drive 55: "GOTO considered harmful" 55th anniversary) Bakul Shah
2023-03-10 17:28 ` segaloco via COFF
2023-03-10 17:34   ` Larry McVoy
2023-03-10 17:35   ` Bakul Shah
2023-03-10 17:42     ` Larry McVoy
2023-03-11 11:28       ` Ralph Corderoy [this message]
2023-03-12  4:23         ` [COFF] Re: Conditions, AKA exceptions Theodore Ts'o
2023-03-12 10:44           ` Ralph Corderoy
2023-03-12 16:46             ` Paul Winalski
2023-03-12 16:53               ` Larry McVoy
2023-03-10 17:43     ` [COFF] Re: [TUHS] Re: Conditions, AKA exceptions. (Was: I can't drive 55: "GOTO considered harmful" 55th anniversary) segaloco via COFF
2023-03-10 18:03     ` Dan Cross
2023-03-10 18:57       ` Bakul Shah
2023-03-10 19:57         ` Marshall Conover
2023-03-13 16:47           ` [COFF] Conditions, AKA exceptions Ralph Corderoy
2023-03-13 17:10             ` [COFF] " Paul Winalski
2023-03-13 21:12               ` Dave Horsfall
2023-03-10 17:47   ` [COFF] Re: [TUHS] Re: Conditions, AKA exceptions. (Was: I can't drive 55: "GOTO considered harmful" 55th anniversary) Bakul Shah

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