On Tue 18 Mar 2014 01:04:03 Linda Walsh wrote: > Chet Ramey wrote: > > Because the execution fails in a child process. You'd be able to fix it > > for that process, but would do nothing about the contents of the parent > > shell's hash table. > > > > The way the option works now is to check the hash lookups and delete > > anything that is no longer an executable file, then redo the lookup and > > hash the new value. > > ---- > Wouldn't bash notice that the child exited in <.1 seconds ( > or is it less?
as soon as you talk about trying to time something, you're obviously looking at it wrong. having a system that only works when the cpu/disk is fast and idle is a waste of time and bad for everyone. if bash could rely on real time signals, sigqueue could be used to send a signal with attached info (like ENOEXEC) and the parent could look for that. alternatively, accept that it's not a real problem in practice for the majority of people as Chet has pointed out ;). -mike
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