cc: [EMAIL PROTECTED] Subject: Re: [ast-developers] Reaching RLIMIT_NPROC on Linux ends with infinite loop --------
> Hello, > running the following script on Linux ends up in an infinite loop: > > #!/bin/ksh > ulimit -u 10 > for (( i = 0; i < 10; i++ )); do > cat /dev/zero > /dev/null & > done > > The shell seems to be spinning in xec.c:sh_fork() (line 2256 in my sources): > > while(_sh_fork(parent=fork(),flags,jobid) < 0); > > ...and _sh_fork() returns always -1 in this situation because we have reached > RLIMIT_NPROC limit and fork returns always -1. > > Here's my attempt to fix the problem -- give up if errno is EAGAIN, which is > the way e.g. bash seems to solve the situation. > > I ran this script and with the current backup it fails after 30 seconds. I beleive that it fork() fails six times. David Korn [EMAIL PROTECTED] _______________________________________________ ast-developers mailing list [email protected] https://mailman.research.att.com/mailman/listinfo/ast-developers
