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Implement mpsc using semaphores.

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This commit is contained in:
Yifan Wu 2021-10-10 17:20:53 -07:00
parent 9bc1e8d2e9
commit 45c33f2ce2
8 changed files with 187 additions and 2 deletions
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9
user/src/lib.rs
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@ -119,4 +119,13 @@ pub fn mutex_create() -> isize { sys_mutex_create(false) }
pub fn mutex_blocking_create() -> isize { sys_mutex_create(true) }
pub fn mutex_lock(mutex_id: usize) { sys_mutex_lock(mutex_id); }
pub fn mutex_unlock(mutex_id: usize) { sys_mutex_unlock(mutex_id); }
pub fn semaphore_create(res_count: usize) -> isize {
sys_semaphore_create(res_count)
}
pub fn semaphore_up(sem_id: usize) {
sys_semaphore_up(sem_id);
}
pub fn semaphore_down(sem_id: usize) {
sys_semaphore_down(sem_id);
}