Thread-safe libio

[Ulrich Drepper]

"Alain Magloire" <alain@qnx.com> writes:

> If I remember correctly, f{try,un,}lockfile() were introduce *with/for*
> threading by posix.  I did not see any OS that provides flockfile()
> whitout support for PThreads.
> 
> flockfile provides opaque reference counting.

First, flockfile was introduced in POSIX but not necessarily for
PThreads.  Second, I was talking about the interface which is
available in libio already.  It would be a big mistake to introduce
yet another interface.  How the flockfile functions actually must be
implemented depends on the platform.

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