Re: NetBSD truss(1), coredumper(1) and performance bottlenecks

[David Holland <dholland-tech%netbsd.org@localhost>]

On Fri, May 24, 2019 at 04:25:12PM +0700, Robert Elz wrote:
 > | That's probably the shell that must read input byte by byte in most cases.
 > 
 > The shell actually very rarely does one byte reads when not reading
 > from the terminal (and even then only for command line editing).
 > 
 > That used to be important in the pre Bourne-shell days, but the time
 > of the shell passing the open script to child processes to read from
 > are long gone - and without that, it isn't as important that there
 > be no readahead.

Did POSIX drop the requirement that sh scripts can successfully be
self-modifying?

(if so, hurray)

-- 
David A. Holland
dholland%netbsd.org@localhost