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2011-03-10fix sem_open and sem_close to obey posix semanticsRich Felker-0/+1
multiple opens of the same named semaphore must return the same pointer, and only the last close can unmap it. thus the ugly global state keeping track of mappings. the maximum number of distinct named semaphores that can be opened is limited sufficiently small that the linear searches take trivial time, especially compared to the syscall overhead of these functions.
2011-03-03preliminaries to adding POSIX semaphoresRich Felker-0/+1
2011-02-14extensive header cleanup for standards conformance & correctnessRich Felker-2/+3
thanks to Peter Mazinger (psm) for pointing many of these issues out and submitting a patch on which this commit is loosely based
2011-02-14begin namespace-cleanup of standard C headersRich Felker-1/+7
2011-02-13reorganize thread exit code, make pthread_exit call cancellation handlers (pt2)Rich Felker-1/+2
2011-02-12initial check-in, version 0.5.0v0.5.0Rich Felker-0/+101