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* WARNS level 4 cleanup.davidxu2006-04-041-0/+2
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* Import my recent 1:1 threading working. some features improved includes:davidxu2005-04-021-0/+3
| | | | | | | | | | | | | | | | 1. fast simple type mutex. 2. __thread tls works. 3. asynchronous cancellation works ( using signal ). 4. thread synchronization is fully based on umtx, mainly, condition variable and other synchronization objects were rewritten by using umtx directly. those objects can be shared between processes via shared memory, it has to change ABI which does not happen yet. 5. default stack size is increased to 1M on 32 bits platform, 2M for 64 bits platform. As the result, some mysql super-smack benchmarks show performance is improved massivly. Okayed by: jeff, mtm, rwatson, scottl
* Add stub implementations of pthread_[gs]etconcurrency to libc_r andjdp2003-04-201-0/+60
libthr. No changes were made to libpthread by request of deischen, who will soon commit a real implementation for that library. PR: standards/50848 Submitted by: Sergey A. Osokin <osa@freebsd.org.ru> MFC after: 1 week
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