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linux_semaphore.h (383B)

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#pragma once

#include <err.h>
#include <semaphore.h>

struct Semaphore {
	sem_t sem;
};

inline void semaphore_init( Semaphore * sem ) {
	int ok = sem_init( &sem->sem, 0, 0 );
	if( ok == -1 ) {
		err( 1, "sem_init failed" );
	}
}

inline void semaphore_signal( Semaphore * sem ) {
	sem_post( &sem->sem );
}

inline void semaphore_wait( Semaphore * sem ) {
	sem_wait( &sem->sem );
}