Messages in this thread | | | Date | Fri, 11 Feb 2011 15:41:55 +0100 | From | Pavel Machek <> | Subject | Re: Bash not reacting to Ctrl-C |
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Hi!
> > set_job_status_and_cleanup() notice wait_sigint_received and send > > SIGINT to itself (termsig_handler (SIGINT)), but somehow it assumes > > that the last foreground job should be terminated by SIGINT too: > > > > else if (wait_sigint_received && (WTERMSIG (child->status) == SIGINT) && > > > > Then the next wait_for() clears wait_sigint_received and bash > > looses ^C > > IOW. > > Now that it is clear what happens, the test-case becomes even more > trivial: > > bash-4.1$ ./bash -c 'while true; do /bin/true; done' > ^C^C > > needs 4-5 attempts on my machine.
Huh, this happened so often to me that I assumed it is a feature :-(. Reproducible on both up arm and 4way x86...
Ok, it would be very good to get it fixed.
Pavel
> --- bash-4.1/jobs.c~ctrlc_exit_race 2011-02-07 13:52:48.000000000 +0100 > +++ bash-4.1/jobs.c 2011-02-07 13:55:30.000000000 +0100 > @@ -3299,7 +3299,7 @@ set_job_status_and_cleanup (job) > signals are sent to process groups) or via kill(2) to the foreground > process by another process (or itself). If the shell did receive the > SIGINT, it needs to perform normal SIGINT processing. */ > - else if (wait_sigint_received && (WTERMSIG (child->status) == SIGINT) && > + else if (wait_sigint_received /*&& (WTERMSIG (child->status) == SIGINT)*/ && > IS_FOREGROUND (job) && IS_JOBCONTROL (job) == 0) > { > int old_frozen;
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