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Add a shared mutex / readers-write lock #265

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Add a shared mutex / readers-write lock #265

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@lhmouse lhmouse commented Oct 12, 2024

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Add the new type __MCF_shared_mutex, like POSIX pthread_rwlock_t.

  1. The mutex may be locked in either shared mode or exclusive mode.
  2. There is only one unlocking function.
  3. Writers are preferred and may preempt a mutex.

@lhmouse lhmouse self-assigned this Oct 12, 2024
@lhmouse lhmouse force-pushed the shared_mutex branch 2 times, most recently from 4f11bcf to a854abd Compare October 12, 2024 14:43
@lhmouse lhmouse force-pushed the shared_mutex branch 5 times, most recently from 9ca2031 to f6f4da7 Compare October 12, 2024 16:19
@lhmouse lhmouse force-pushed the shared_mutex branch 6 times, most recently from f42b54d to 219dd97 Compare October 13, 2024 07:31
@lhmouse lhmouse marked this pull request as ready for review October 13, 2024 07:32
@lhmouse lhmouse force-pushed the shared_mutex branch 4 times, most recently from d0c35ed to a7ae9ea Compare October 13, 2024 16:47
@lhmouse
shared_mutex: New
431d7e6 
Signed-off-by: LIU Hao <lh_mouse@126.com>
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