cc: [email protected] Subject: Re: [ast-developers] Which function do |SHOPT_FASTPIPE| and |SHOPT_AMP| have ? --------
> Just curious: Which purpose do the |SHOPT_FASTPIPE| and |SHOPT_AMP| > build flags have in the ksh93 sources ? > SHOPT_FASTPIPE was an attempt to optimize pipes in some causes by not forking at all for simple commands and running each command in the current process sequentially using an unnamed /tmp file for communication. SHOPT_AMP is only needed for systems that don't have fork() and enable the shell to run &(ampersand) processes by running a new shell process initialized with the current process environment. Neither of these have been tested in the last few years. David Korn [email protected] _______________________________________________ ast-developers mailing list [email protected] https://mailman.research.att.com/mailman/listinfo/ast-developers
