Eladash
2ec039365f
shared_mutex: Optimize busy-waiting by detecting waiters and try to steal the notifying bit
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Add an unused has_waiters() method.
2022-08-07 20:23:54 +03:00
Nekotekina
b59f142d4e
Move types.h to util/types.hpp
2020-12-12 15:12:01 +03:00
Nekotekina
050c3e1d6b
Rewrite cpu_thread::suspend_all
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Now it's a function of higher order.
Make only one thread do the hard work of thread pausing.
2020-10-10 13:58:48 +03:00
Nekotekina
c0f80cfe7a
Use attributes for LIKELY/UNLIKELY
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Remove LIKELY/UNLIKELY macro.
2020-02-05 10:42:34 +03:00
Nekotekina
cf13dee1f3
Prioritize vip_lock in shared_mutex
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Should fix some deadlock issues.
2019-10-06 16:03:38 +03:00
Nekotekina
f63e89f9b4
Implement waitable atomics
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Moved Atomic.h to util/atomic.hpp
List source files in CMakeLists.txt
2019-07-29 03:04:55 +03:00
Nekotekina
090c71aa7c
TSX: Improve cpu_thread::suspend_all implementation
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Implement low_lock and vip_lock (for shared_mutex).
Try to simplify suspend_all implementation with updated shared_mutex.
2019-07-24 17:25:52 +03:00
Nekotekina
e064b92058
mutex.h: fix warning (unary minus unsigned)
2019-04-13 22:56:11 +03:00
Nekotekina
f50d9cc136
Initial support for HLE in internal API
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atomic_storage<>: add compare_exchange_hle_acq and fetch_add_hle_rel
shared_mutex: add methods (un)lock_hle and (un)lock_shared_hle
Clang: 👅
2019-01-29 04:33:59 +03:00
Nekotekina
6a30d5a6c1
shared_mutex: increase max_readers to 16383
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Standard requires at least 10000 for SharedMutex concept
2018-11-09 16:19:59 +03:00
Nekotekina
7a024f3355
Implement shared_mutex::lock_unlock
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Minor fix for shared_mutex::try_lock - don't optimize for pessimistic case
2018-10-02 02:22:26 +03:00
Nekotekina
9e5b633779
shared_mutex cleanup
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Rewrite to use unsigned arithmetic, shrink to u32
Ensure zero default unlocked state (will need it later)
Inline all public methods, rewrite lock_upgrade()
Remove try_lock_degrade(), lock_degrade() methods
Implement lock_downgrade() (now trivial)
Remove is_reading(), added is_free()
Added reader_lock::try_upgrade()
2018-09-27 12:16:43 +03:00
Nekotekina
445e5def42
Remove safe_reader_lock, safe_writer_lock
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It worked as a simple recursive locker for shared_mutex
But its design is flawed and thus can't be fully implemented
2018-09-15 17:09:56 +03:00
Nekotekina
ca5158a03e
Cleanup semaphore<> (sema.h) and mutex.h (shared_mutex)
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Remove semaphore_lock and writer_lock classes, replace with std::lock_guard
Change semaphore<> interface to Lockable (+ exotic try_unlock method)
2018-09-03 23:00:36 +03:00
Nekotekina
2b5cf2455f
SPU: improve TSX usage
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Reduce transaction failure amount
Remove vm::try_to_lock
2018-04-06 21:47:54 +03:00
Nekotekina
beab5291bb
mutex.cpp: minor update
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New concept (incomplete)
2017-10-05 19:51:37 +03:00
Nekotekina
f35babad98
shared_mutex fix (linux)
2017-02-24 18:48:53 +03:00
Nekotekina
b1aa87b515
Busy waiting added
2017-02-16 00:13:55 +03:00
Nekotekina
a5a2d43d7c
Thread.cpp refinement
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Hide thread mutex
Safe notify() method
Other refactoring
2017-01-29 19:52:19 +03:00
Nekotekina
1c14d872a8
New shared_mutex
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Experimental sync utils
New semaphore<>
New cond_variable
New owned_mutex
2017-01-25 00:38:07 +03:00
