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3 commits

Author SHA1 Message Date
Justine Tunney
e97f1a99cf
Fix pthread stacks with larger guard size 2022-09-09 06:41:22 -07:00
Justine Tunney
7ff0ea8c13
Make pthread mutexes more scalable 
pthread_mutex_lock() now uses a better algorithm which goes much faster
in multithreaded environments that have lock contention. This comes at
the cost of adding some fixed-cost overhead to mutex invocations. That
doesn't matter for Cosmopolitan because our core libraries all encode
locking operations as NOP instructions when in single-threaded mode.
Overhead only applies starting the moment you first call clone().
 2022-09-05 15:57:51 -07:00
Justine Tunney
9be364d40a
Implement POSIX threads API 2022-09-05 08:27:15 -07:00