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devel / comp.lang.tcl / thread::release from worker thread

SubjectAuthor
* thread::release from worker threadOleg Nemanov
`* thread::release from worker threadHarald Oehlmann
 `* thread::release from worker threadOleg Nemanov
  `* thread::release from worker threadHarald Oehlmann
   `- thread::release from worker threadOleg Nemanov

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thread::release from worker thread

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Subject: thread::release from worker thread
From: oleg.o.n...@gmail.com (Oleg Nemanov)
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 by: Oleg Nemanov - Mon, 18 Dec 2023 14:43 UTC

Hi, all.

I have tcl app, that has 1 main thread and some worker threads. And sometimes (about 1 time of 10) tcl crash on exit with the next error:

target thread died
while executing
"thread::send [dict get $v worker_tid] deinit"
(procedure "devs_deinit" line 6)
invoked from within
"devs_deinit"
(procedure "conn_read" line 17)
invoked from within
"conn_read ::req-sock5560df97d0"

The exit procedure is the next:
- main thread get "quit" command from tcp management socket
- main thread do "thread::send WORKER_ID deinit" for each worker
- worker thread has "thread::release [thread::id]" as last action in deinit proc

When i move thread::release from worker thread deinit proc into main thread, then i got no errors. Is it wrong to call thread::release from worker thread like i did?

Re: thread::release from worker thread

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From: wortka...@yahoo.com (Harald Oehlmann)
Newsgroups: comp.lang.tcl
Subject: Re: thread::release from worker thread
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 by: Harald Oehlmann - Mon, 18 Dec 2023 16:33 UTC

Am 18.12.2023 um 15:43 schrieb Oleg Nemanov:
> Hi, all.
>
> I have tcl app, that has 1 main thread and some worker threads. And sometimes (about 1 time of 10) tcl crash on exit with the next error:
>
> target thread died
> while executing
> "thread::send [dict get $v worker_tid] deinit"
> (procedure "devs_deinit" line 6)
> invoked from within
> "devs_deinit"
> (procedure "conn_read" line 17)
> invoked from within
> "conn_read ::req-sock5560df97d0"
>
> The exit procedure is the next:
> - main thread get "quit" command from tcp management socket
> - main thread do "thread::send WORKER_ID deinit" for each worker
> - worker thread has "thread::release [thread::id]" as last action in deinit proc
>
> When i move thread::release from worker thread deinit proc into main thread, then i got no errors. Is it wrong to call thread::release from worker thread like i did?

Oleg,
I suppose, you are facing a bug in Thread 1.6.6 ?
What is your Thread package, TCL, Platform ?

Take care,
Harald

Re: thread::release from worker thread

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Subject: Re: thread::release from worker thread
From: oleg.o.n...@gmail.com (Oleg Nemanov)
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 by: Oleg Nemanov - Mon, 18 Dec 2023 16:51 UTC

понедельник, 18 декабря 2023 г. в 19:33:59 UTC+3, Harald Oehlmann:
> Oleg,
> I suppose, you are facing a bug in Thread 1.6.6 ?

Hm. My Thread package version is 2.8.7.

> What is your Thread package, TCL, Platform ?

% puts $tcl_version
8.6
% puts [array get tcl_platform ]
osVersion 4.19.85-v8+ pointerSize 8 byteOrder littleEndian threaded 1 machine aarch64 platform unix pathSeparator : os Linux engine Tcl user USER wordSize 8
% package require Thread
2.8.7

Re: thread::release from worker thread

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Subject: Re: thread::release from worker thread
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 by: Harald Oehlmann - Mon, 18 Dec 2023 17:10 UTC

Am 18.12.2023 um 17:51 schrieb Oleg Nemanov:
> понедельник, 18 декабря 2023 г. в 19:33:59 UTC+3, Harald Oehlmann:
>> Oleg,
>> I suppose, you are facing a bug in Thread 1.6.6 ?
>
> Hm. My Thread package version is 2.8.7.
>
>> What is your Thread package, TCL, Platform ?
>
> % puts $tcl_version
> 8.6
> % puts [array get tcl_platform ]
> osVersion 4.19.85-v8+ pointerSize 8 byteOrder littleEndian threaded 1 machine aarch64 platform unix pathSeparator : os Linux engine Tcl user USER wordSize 8
> % package require Thread
> 2.8.7
>

Reading again your message: I suppose, you may not do a "thread release"
in that thread. Or, at least, the result "thread died" is correct, it died.

Wizards will hopefully answer. I reacted to quick.

Sorry,
Harald

Re: thread::release from worker thread

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Subject: Re: thread::release from worker thread
From: oleg.o.n...@gmail.com (Oleg Nemanov)
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 by: Oleg Nemanov - Tue, 19 Dec 2023 10:13 UTC

понедельник, 18 декабря 2023 г. в 20:10:44 UTC+3, Harald Oehlmann:
> Reading again your message: I suppose, you may not do a "thread release"
> in that thread. Or, at least, the result "thread died" is correct, it died.

Thanks, Harald. I think so too :-).

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