Posix Threads standard describes several (optional) *_r
thread-safe functions. Most of them seem not to exist in
FreeBSD (3.0-980414-SNAP). Is someone working on this
Two other interesting observations I made last night:
1. _POSIX_THREADS macro is defined in pthread.h but
I think it should be defined in unistd.h. (See Programming
with Posix Threads, page 307).
2. _POSIX_THREAD_SAFE_FUNCTIONS is defined even if
most of the functions are not implemented. This should
be in the unistd.h too, shouldn't it.
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