semaphore

include/sync/semaphore.h

struct semaphore

Member Type	Member Name
int32_t	count
bool	irq_disable
struct spinlock	lock
struct condvar	cv

• void semaphore_init(struct semaphore *s,int value,bool irq_disable)
• void semaphore_wait(struct semaphore *s)
• bool semaphore_timedwait(struct semaphore *s,time_t timeout_ms)
• void semaphore_post(struct semaphore *s)
• void semaphore_postn(struct semaphore *s,int n)

Defines

• SEMAPHORE_INIT_IRQ_DISABLE: true
• SEMAPHORE_INIT_NORMAL: false

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