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| author | Florian Weimer <fweimer@redhat.com> | 2021-04-21 19:49:51 +0200 |
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| committer | Florian Weimer <fweimer@redhat.com> | 2021-04-21 19:49:51 +0200 |
| commit | 99f841c441feeaa9a3d97fd91bb3d6ec8073c982 (patch) | |
| tree | 679184226a8c4d55e7981f03a758361122267cc9 /sysdeps/i386/nptl/pthread_spin_lock.S | |
| parent | eda0c098ed31489ce21f15d775ed96c1f6b395ad (diff) | |
| download | glibc-99f841c441feeaa9a3d97fd91bb3d6ec8073c982.tar.gz glibc-99f841c441feeaa9a3d97fd91bb3d6ec8073c982.tar.xz glibc-99f841c441feeaa9a3d97fd91bb3d6ec8073c982.zip | |
nptl: pthread_mutex_lock, pthread_mutex_unock single-threaded optimization
This is optimization is similar in spirit to the SINGLE_THREAD_P check in the malloc implementation. Doing this in generic code allows us to prioritize those cases which are likely to occur in single-threaded programs (normal and recursive mutexes). Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/i386/nptl/pthread_spin_lock.S')
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