31 lines
710 B
C
31 lines
710 B
C
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#ifndef _SEMAPHORE_H
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#define _SEMAPHORE_H 1
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// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/semaphore.h.html
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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#include <fcntl.h>
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#include <time.h>
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typedef void* sem_t;
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#define SEM_FAILED ((sem_t*)0)
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int sem_close(sem_t* sem);
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int sem_destroy(sem_t* sem);
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int sem_getvalue(sem_t* __restrict sem, int* __restrict sval);
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int sem_init(sem_t* sem, int pshared, unsigned value);
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sem_t* sem_open(const char* name, int oflag, ...);
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int sem_post(sem_t* sem);
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int sem_timedwait(sem_t* __restrict sem, const struct timespec* __restrict abstime);
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int sem_trywait(sem_t* sem);
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int sem_unlink(const char* name);
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int sem_wait(sem_t* sem);
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__END_DECLS
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#endif
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