This change makes all the standard library and kernel headers use header guards with a consistent scheme within the reserved namespace to avoid conflicts with non-standard-library-implementation code.
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
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* Copyright (c) 2014, 2021 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* semaphore.h
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* Semaphore API.
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*/
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#ifndef _INCLUDE_SEMAPHORE_H
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#define _INCLUDE_SEMAPHORE_H
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#include <sys/cdefs.h>
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#include <sortix/timespec.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct
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{
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#if defined(__is_sortix_libc)
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int value;
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int waiters;
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#else
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int __value;
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int __waiters;
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#endif
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} sem_t;
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#define SEM_FAILED ((sem_t*) 0)
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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* __restrict, int* __restrict);
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int sem_init(sem_t*, int, unsigned int);
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/*sem_t* sem_open(const char*, int, ...);*/
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int sem_post(sem_t*);
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int sem_timedwait(sem_t* __restrict, const struct timespec* __restrict);
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int sem_trywait(sem_t*);
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/*int sem_unlink(const char*);*/
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int sem_wait(sem_t*);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif
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