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* clean up, bugfixes, and general improvement for shm_open/shm_unlinkRich Felker2012-09-301-21/+0
| | | | | | | 1. don't make non-cloexec file descriptors 2. cancellation safety (cleanup handlers were missing, now unneeded) 3. share name validation/mapping code between open/unlink functions 4. avoid wasteful/slow syscalls
* implement POSIX shared memoryRich Felker2011-03-031-0/+21