mirror of
https://github.com/RGBCube/serenity
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43 lines
930 B
C
43 lines
930 B
C
/*
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* Copyright (c) 2021, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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// Includes essentially mandated by POSIX:
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// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/semaphore.h.html
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#include <fcntl.h>
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#include <time.h>
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#include <limits.h>
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#include <pthread.h>
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#include <sys/cdefs.h>
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#include <sys/types.h>
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__BEGIN_DECLS
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#define SEM_FLAG_PROCESS_SHARED (1 << 0)
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#define SEM_FLAG_NAMED (1 << 1)
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typedef struct {
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uint32_t magic;
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uint32_t value;
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uint8_t flags;
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} sem_t;
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int sem_close(sem_t*);
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int sem_destroy(sem_t*);
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int sem_getvalue(sem_t*, int*);
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int sem_init(sem_t*, int, unsigned int);
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sem_t* sem_open(char const*, int, ...);
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int sem_post(sem_t*);
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int sem_trywait(sem_t*);
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int sem_unlink(char const*);
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int sem_wait(sem_t*);
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int sem_timedwait(sem_t*, const struct timespec* abstime);
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#define SEM_FAILED ((sem_t*)0)
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#define SEM_VALUE_MAX INT_MAX
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__END_DECLS
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