* [ruby-core:116106] [Ruby master Bug#20168] Process won't exit when Ractor.select waiting a Ractor
@ 2024-01-09 9:29 shia (Sangyong Sim) via ruby-core
2024-01-11 17:14 ` [ruby-core:116175] " luke-gru (Luke Gruber) via ruby-core
2024-03-26 15:02 ` [ruby-core:117330] " over.rye@gmail.com (Masato Ohba) via ruby-core
0 siblings, 2 replies; 3+ messages in thread
From: shia (Sangyong Sim) via ruby-core @ 2024-01-09 9:29 UTC (permalink / raw
To: ruby-core; +Cc: shia (Sangyong Sim)
Issue #20168 has been reported by shia (Sangyong Sim).
----------------------------------------
Bug #20168: Process won't exit when Ractor.select waiting a Ractor
https://bugs.ruby-lang.org/issues/20168
* Author: shia (Sangyong Sim)
* Status: Open
* Priority: Normal
* ruby -v: 3.3.0
* Backport: 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
## Reproduction code
```ruby
trap(:INT) do
puts "SIGINT"
exit
end
trap(:TERM) do
puts "SIGTERM"
exit
end
r = Ractor.new do
loop do
sleep 1
end
end
Ractor.select(r) # stucked.
# SIGINT/SIGTERM sent to Ruby process(confirmed by trap),
# but process won't exit.
```
## Expected behavior
Process killed successfully with exit code 0.
## Affected Ruby version
3.3.0
3.2.x works as expected.
--
https://bugs.ruby-lang.org/
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [ruby-core:116175] [Ruby master Bug#20168] Process won't exit when Ractor.select waiting a Ractor
2024-01-09 9:29 [ruby-core:116106] [Ruby master Bug#20168] Process won't exit when Ractor.select waiting a Ractor shia (Sangyong Sim) via ruby-core
@ 2024-01-11 17:14 ` luke-gru (Luke Gruber) via ruby-core
2024-03-26 15:02 ` [ruby-core:117330] " over.rye@gmail.com (Masato Ohba) via ruby-core
1 sibling, 0 replies; 3+ messages in thread
From: luke-gru (Luke Gruber) via ruby-core @ 2024-01-11 17:14 UTC (permalink / raw
To: ruby-core; +Cc: luke-gru (Luke Gruber)
Issue #20168 has been updated by luke-gru (Luke Gruber).
Patch here: https://github.com/ruby/ruby/pull/9492
----------------------------------------
Bug #20168: Process won't exit when Ractor.select waiting a Ractor
https://bugs.ruby-lang.org/issues/20168#change-106188
* Author: shia (Sangyong Sim)
* Status: Open
* Priority: Normal
* ruby -v: 3.3.0
* Backport: 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
## Reproduction code
```ruby
trap(:INT) do
puts "SIGINT"
exit
end
trap(:TERM) do
puts "SIGTERM"
exit
end
r = Ractor.new do
loop do
sleep 1
end
end
Ractor.select(r) # stucked.
# SIGINT/SIGTERM sent to Ruby process(confirmed by trap),
# but process won't exit.
```
## Expected behavior
Process killed successfully with exit code 0.
## Affected Ruby version
3.3.0
3.2.x works as expected.
--
https://bugs.ruby-lang.org/
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [ruby-core:117330] [Ruby master Bug#20168] Process won't exit when Ractor.select waiting a Ractor
2024-01-09 9:29 [ruby-core:116106] [Ruby master Bug#20168] Process won't exit when Ractor.select waiting a Ractor shia (Sangyong Sim) via ruby-core
2024-01-11 17:14 ` [ruby-core:116175] " luke-gru (Luke Gruber) via ruby-core
@ 2024-03-26 15:02 ` over.rye@gmail.com (Masato Ohba) via ruby-core
1 sibling, 0 replies; 3+ messages in thread
From: over.rye@gmail.com (Masato Ohba) via ruby-core @ 2024-03-26 15:02 UTC (permalink / raw
To: ruby-core; +Cc: over.rye@gmail.com (Masato Ohba)
Issue #20168 has been updated by over.rye@gmail.com (Masato Ohba).
I think I have encountered the same issue. I was able to reproduce the problem using a simpler code that results in a process hang when a Ractor, which internally raises an exception, is passed to `Ractor.select`.
Here is the minimal code snippet that demonstrates the issue:
```ruby
ruby -e "r = Ractor.new{1/0}; Ractor.select(*[r])"
```
Notably, when I built Ruby using the branch from https://github.com/ruby/ruby/pull/9492, the issue did not occur. It appears that the changes in this branch might contain a fix or alter the behavior to prevent the hang.
----------------------------------------
Bug #20168: Process won't exit when Ractor.select waiting a Ractor
https://bugs.ruby-lang.org/issues/20168#change-107474
* Author: shia (Sangyong Sim)
* Status: Open
* ruby -v: 3.3.0
* Backport: 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN
----------------------------------------
## Reproduction code
```ruby
trap(:INT) do
puts "SIGINT"
exit
end
trap(:TERM) do
puts "SIGTERM"
exit
end
r = Ractor.new do
loop do
sleep 1
end
end
Ractor.select(r) # stucked.
# SIGINT/SIGTERM sent to Ruby process(confirmed by trap),
# but process won't exit.
```
## Expected behavior
Process killed successfully with exit code 0.
## Affected Ruby version
3.3.0
3.2.x works as expected.
--
https://bugs.ruby-lang.org/
______________________________________________
ruby-core mailing list -- ruby-core@ml.ruby-lang.org
To unsubscribe send an email to ruby-core-leave@ml.ruby-lang.org
ruby-core info -- https://ml.ruby-lang.org/mailman3/postorius/lists/ruby-core.ml.ruby-lang.org/
^ permalink raw reply [flat|nested] 3+ messages in thread
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2024-01-09 9:29 [ruby-core:116106] [Ruby master Bug#20168] Process won't exit when Ractor.select waiting a Ractor shia (Sangyong Sim) via ruby-core
2024-01-11 17:14 ` [ruby-core:116175] " luke-gru (Luke Gruber) via ruby-core
2024-03-26 15:02 ` [ruby-core:117330] " over.rye@gmail.com (Masato Ohba) via ruby-core
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