Re: bash enters endless loop when under unreasonably low RLIMIT_NPROC

[Chet Ramey]

On 12/6/14 7:06 AM, Robert Clausecker wrote:

>       Fix the way bash blocks the delivery of signals when it can't
>       fork so keyboard interrupts or signals received otherwise still
>       have a way to get through. Stop trying to fork after some
>       attempts and provide a reasonable emergency code-path for the
>       case that bash cannot fork.

Bash already does this.  The code in make_child attempts to reap dead
child processes with waitpid() then sleeps for `forksleep' seconds.
forksleep increases from 1 to 16, then bash gives up and the attempt
fails.  When I test, it returns to the prompt.

Chet
-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/