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nuttx/libs/libc/semaphore
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zhangyuan21 514e77b75e semaphore: Optimize priority inheritance with only one holder 
This PR is a modification that optimizes priority inheritance
for only one holder. After the above modifications are completed,
the mutex lock->unlock process that supports priority inheritance
can be optimized by 200 cycles.

Before modify: 2000 cycle
After modify: 1742 cycle

Signed-off-by: zhangyuan21 <zhangyuan21@xiaomi.com>
2023-06-17 08:26:46 +03:00
..
Make.defs libs: Author Gregory Nutt: update licenses to Apache 2021-03-03 18:52:53 -08:00
sem_getprotocol.c add holder for mutex 2023-01-31 12:08:05 +09:00
sem_getvalue.c libs: Author Gregory Nutt: update licenses to Apache 2021-03-03 18:52:53 -08:00
sem_init.c semaphore: Optimize priority inheritance with only one holder 2023-06-17 08:26:46 +03:00
sem_setprotocol.c pthread: restore pthread mutex default protocol POSIX compatibility 2022-01-11 01:55:12 +08:00