0000268: Ctl-C causes program to hang - MantisBT

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ID

Project

Category

View Status

Date Submitted

Last Update

0000268

JANA

Bug

public

2012-07-09 10:10

2012-08-16 09:41

Reporter

davidl

Assigned To

davidl

Priority

normal

Severity

minor

Reproducibility

sometimes

Status

resolved

Resolution

fixed

Platform

OS

OS Version

Summary

0000268: Ctl-C causes program to hang

Description

Sometimes a program hangs (or appears to) and the user hits Ctl-C several times to kill it. Eventually, it tries to do a more serious kill, but the program is hopelessly hung until the user kills it externally.

This may be due to the main thread being held up in pthread_join while the thread it's waiting on has been otherwise destroyed.

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Notes
(0000430) davidl (administrator) 2012-08-16 09:41	Added a call to JApplication::Fini(...) and then the JApplication destructor when 3 SIGINTs are received. An optional argument allows the locking of the app mutex to be skipped in Fini, hopefully minimizing the chances that it gets stuck. Program exits when 3 SIGINTs are received afterwards. If 6 SIGINTs are received, then the program just tries to exit immediately. This could be useful if the program gets stuck in the Fini or ~JApplication methods while handling the 3rd SIGINT. I did not have a working system that exhibited the problem so this really couldn't be tested.

Issue History
Date Modified	Username	Field	Change
2012-07-09 10:10	davidl	New Issue
2012-08-16 09:41	davidl	Note Added: 0000430
2012-08-16 09:41	davidl	Status	new => resolved
2012-08-16 09:41	davidl	Resolution	open => fixed
2012-08-16 09:41	davidl	Assigned To	=> davidl

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