[PATCH] cygwin+bash: bash reorders script output bug identified/fixed
Nils
internationils@gmx.net
Tue Aug 6 23:58:00 GMT 2002
Manfred Spraul wrote:
...
> Summary:
> * It's a bash bug, not a cygwin bug.
> * defining RECYCLES_PIDS in execute_cmd.c solves the problem.
> * RECYCLES_PID is intended for LynxOs, which recycles pids
> quickly according to a comment in execute_cmd.c
> * All OS are potentially affected, bash basically assumes
> that 2 pid values are never identical.
>
> It seems that there are 2 possible solutions:
> A) enable RECYCLES_PID in bash.
> * I'd propose that, minimal patch attached.
> B) work around the bash bug in cygwin.
> fork.cc already contains a special function that prevents 2
> consecutive fork() calls from reusing the same pid:
> slow_pid_reuse().
This may have been what I was running into as well. See
http://cygwin.com/ml/cygwin/2002-07/msg01894.html
When doing the same compiles with in a window with tcsh running (even if
bash gets invoked later on) the process numbers seem to increase much
more slowly. If you do a large compile using bash as your shell, do you
see process numbers creeping upward (in task manager) gradually as well?
Thanks,
Nils.
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