18 lines
291 B
C
18 lines
291 B
C
#ifndef SEMAPHORE_H
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#define SEMAPHORE_H
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#include <stdint.h>
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#include <mutex.h>
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typedef struct sem_t {
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int8_t value;
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int8_t locked;
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mutex_t mutex;
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} sem_t;
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void sem_init(sem_t *sem, int8_t value);
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int sem_wait(sem_t *sem);
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int sem_signal(sem_t *sem);
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#endif /* SEMAPHORE_H*/
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