Xin LI 12927a8513 Change the spin lock logic to a reasonable one. We should spin when ... the lock is held by other thread, but not when nobody owns it. According to deischen@, this part of code will never be hit in our threads library, since it does not use locks without wait/wakeup functions. Spotted by: mingyanguo via ChinaUnix.net forum Reviewed by: deischen		2005-02-27 17:45:55 +00:00
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lock.c
lock.h
Makefile.inc
thr_error.c