Subject: Re: pthreads plan
To: Todd Vierling <firstname.lastname@example.org>
From: Greg Hudson <ghudson@MIT.EDU>
Date: 11/06/1999 19:07:04
> Support questions or not, just tell people "set _REENTRANT... the
> pthread man pages tell you to do so."
And if they want to use a third-party library like Motif, tell them
Multiple worlds of incompatible objects suck. Especially if you only
find out about mixing them in terms of subtle run-time failures.
> If you want to do the equivalent to setting _REENTRANT
> unconditionally, that adds a performance hit to explicitly
> single-threaded code (as opposed to just the guts of libraries, such
> as libc, which are compiled that way to be shareable between
> single-threaded and MT code). See <errno.h>, for example.
If you're asking for the value of errno, you probably aren't in a
performance-critical situation. getc and putc are much more worth