On Mon, 14 Jun 1999, der Mouse wrote:

# Yeah.  Which would mean that pipe(3) would take three syscalls instead
# of the one it presently takes.  Whether this would matter, of course,
# is another issue.
# 

I think it would matter since 3 system calls = at least 6 context switches.

At least with a single call you're probably only going to csw twice.

This gets expen$ive on multiple-stage pipes.

(...or is this just me living in the dark ages again?)


# pipe() returned a bidirectional pipe.  Portable code couldn't rely on
# it, obviously, but portable code is unlikely to do anything that cares
# whether the pipe is bidirectional or not.
# 
# 					der Mouse
# 
# 			       mouse@rodents.montreal.qc.ca
# 		     7D C8 61 52 5D E7 2D 39  4E F1 31 3E E8 B3 27 4B
# 


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