On Thursday, April 11, 2013 01:05:43 PM Lenga, Yair wrote: > With BASH 3.0, the backgrounded task could access the PID of the parent using > "$$", and the PID Of itself as "$!". > > With BASH 4.0, the script fail, the "$!" is not available to the child > process. > > Is it possible to add back the functionality to allow the child process to > somehow retrieve it's OWN PID. I assume that the behavior of "$$" cannot be > modified at this time.
BASHPID was introduced in Bash 4. I would guess that prior to that, the behavior of $! was either a nonstandard extension or unintentional bug. Check the changelog. -- Dan Douglas
