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24 lines
752 B
C
24 lines
752 B
C
/* SPDX-License-Identifier: GPL-3.0-only */
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#ifndef _PLATFORM_H_
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#define _PLATFORM_H_
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#include <pthread.h>
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#include <semaphore.h>
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int nr_cpus(void);
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int set_thread_affinity(pthread_t tid, int core);
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int setutimes(const char *path, struct timespec atime, struct timespec mtime);
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/*
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* macOS does not support sem_init(). macOS (seems to) releases the
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* named semaphore when associated mscp process finished. In linux,
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* program (seems to) need to release named semaphore in /dev/shm by
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* sem_unlink() explicitly. So, using sem_init() (unnamed semaphore)
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* in linux and using sem_open() (named semaphore) in macOS without
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* sem_unlink() are reasonable (?).
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*/
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sem_t *sem_create(int value);
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int sem_release(sem_t *sem);
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#endif /* _PLATFORM_H_ */
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