TaiJu Wu 23d65cb97f shced:sem: replace mutex with spinlock ...

The overhead of spinlok is less than mutext (mutex need to call
enter_critical section.)
After this patch, `down_write_trylock` and `down_read_trylock` can be
use in interrupt context.

The instruction is protected with mutex only one instruction so using
spinlock is better.

Signed-off-by: TaiJu Wu <tjwu1217@gmail.com>

2024-03-19 18:06:12 +08:00

..

CMakeLists.txt

Feature: implement ticket spinlock

2023-10-07 01:38:37 +08:00

Make.defs

misc/rwlock:Implementing read/write locks.

2023-12-02 19:43:19 -08:00

sem_clockwait.c

sched/semaphore: Move cancel point and errno handling to libc / user-space

2023-11-27 04:52:54 -08:00

sem_destroy.c

sched/semaphore: Move cancel point and errno handling to libc / user-space

2023-11-27 04:52:54 -08:00

sem_holder.c

sched/sem_holder.c: When accessing SEM_WAITLIST, use holder's addrenv

2023-11-15 03:45:15 -08:00

sem_initialize.c

…

sem_post.c

sched/semaphore: Move cancel point and errno handling to libc / user-space

2023-11-27 04:52:54 -08:00

sem_recover.c

…

sem_reset.c

…

sem_rw.c

shced:sem: replace mutex with spinlock

2024-03-19 18:06:12 +08:00

sem_setprotocol.c

sched/semaphore: Move cancel point and errno handling to libc / user-space

2023-11-27 04:52:54 -08:00

sem_tickwait.c

…

sem_timedwait.c

sched/semaphore: Move cancel point and errno handling to libc / user-space

2023-11-27 04:52:54 -08:00

sem_timeout.c

…

sem_trywait.c

sched/semaphore: Move cancel point and errno handling to libc / user-space

2023-11-27 04:52:54 -08:00

sem_wait.c

sched/semaphore: Move cancel point and errno handling to libc / user-space

2023-11-27 04:52:54 -08:00

sem_waitirq.c

…

semaphore.h

…

spinlock.c

spinlock: Move the inclusion of stdatomic.h to source file

2023-11-19 20:22:50 +01:00