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From: Pedro Alves <palves@redhat.com>
To: Petr Sumbera <petr.sumbera@oracle.com>, gdb@sourceware.org
Subject: Re: Solaris - procfs: couldn't find pid 32748 (kernel thread 21) in procinfo list
Date: Mon, 1 Jun 2020 20:12:04 +0100	[thread overview]
Message-ID: <0570473c-1181-2269-06a0-0f6d4fc6b178@redhat.com> (raw)
In-Reply-To: <cb9b2b25-75a0-059d-348d-eb83e703b631@oracle.com>

On 6/1/20 12:39 PM, Petr Sumbera via Gdb wrote:
> The issue seems to be that the LWP exits and the status->kind is set to TARGET_WAITKIND_SPURIOUS:
> 
> https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=gdb/procfs.c;h=f6c6b0e71c16224d3e7345ca09e011cdcf06349a;hb=HEAD#l2214
> 
> But instantly it's added into the list again here:
> 
> https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=gdb/infrun.c;h=95fc3bfe45930b53c33cb4de165db9c070449ad8;hb=HEAD#l5200
> 
> But there is no longer such LWP in /proc.
> 
> Any suggestion?

Either:

- replace TARGET_WAITKIND_SPURIOUS with TARGET_WAITKIND_THREAD_EXITED, or,

- replace
    status->kind = TARGET_WAITKIND_SPURIOUS;
    return retval;
  with
    goto wait_again;
  instead.

Thanks,
Pedro Alves


  reply	other threads:[~2020-06-01 19:12 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-28 15:29 Petr Sumbera
2020-05-28 16:01 ` Rainer Orth
2020-06-01 12:47   ` Petr Sumbera
2020-06-01 11:39 ` Petr Sumbera
2020-06-01 19:12   ` Pedro Alves [this message]
2020-06-02  7:32     ` Petr Sumbera
2020-06-02 14:53       ` Pedro Alves
2020-06-02 16:30         ` Petr Sumbera
2020-06-02 17:14           ` Pedro Alves
2020-06-03 13:09             ` Petr Sumbera
2020-06-08  9:51               ` Petr Sumbera
2020-06-08 13:47                 ` Pedro Alves

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