semaphore

include/sync/semaphore.h

struct semaphore

struct semaphore {
    int32_t          count;
    bool             irq_disable;
    struct spinlock  lock;
    struct condvar   cv;
};

struct semaphore referenced types:

• struct spinlock
• struct condvar

semaphore_init

void semaphore_init(struct semaphore *s, int value, bool irq_disable);

semaphore_init referenced types:

• struct semaphore

semaphore_wait

void semaphore_wait(struct semaphore *s);

semaphore_wait referenced types:

• struct semaphore

semaphore_timedwait

bool semaphore_timedwait(struct semaphore *s, time_t timeout_ms);

semaphore_timedwait referenced types:

• struct semaphore
• time_t

semaphore_post

void semaphore_post(struct semaphore *s);

semaphore_post referenced types:

• struct semaphore

semaphore_postn

void semaphore_postn(struct semaphore *s, int n);

semaphore_postn referenced types:

• struct semaphore

Defines

SEMAPHORE_INIT_IRQ_DISABLE

#define SEMAPHORE_INIT_IRQ_DISABLE true

SEMAPHORE_INIT_NORMAL

#define SEMAPHORE_INIT_NORMAL false

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