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/* SPDX-License-Identifier: GPL-3.0-only */
#ifndef _PLATFORM_H_
#define _PLATFORM_H_
#include <config.h>
#include <pthread.h>
#include <semaphore.h>
#include <stdint.h>
int nr_cpus(void);
int set_thread_affinity(pthread_t tid, int core);
int setutimes(const char *path, struct timespec atime, struct timespec mtime);
/*
* macOS does not support sem_init(). macOS (seems to) releases the
* named semaphore when associated mscp process finished. In linux,
* program (seems to) need to release named semaphore in /dev/shm by
* sem_unlink() explicitly. So, using sem_init() (unnamed semaphore)
* in linux and using sem_open() (named semaphore) in macOS without
* sem_unlink() are reasonable (?).
*/
sem_t *sem_create(int value);
int sem_release(sem_t *sem);
#ifdef HAVE_HTONLL
#include <arpa/inet.h> /* Apple has htonll and ntohll in arpa/inet.h */
#endif
/* copied from libssh: libssh/include/libssh/priv.h */
#ifndef HAVE_HTONLL
#ifdef WORDS_BIGENDIAN
#define htonll(x) (x)
#else
#define htonll(x) (((uint64_t)htonl((x)&0xFFFFFFFF) << 32) | htonl((x) >> 32))
#endif
#endif
#ifndef HAVE_NTOHLL
#ifdef WORDS_BIGENDIAN
#define ntohll(x) (x)
#else
#define ntohll(x) (((uint64_t)ntohl((x)&0xFFFFFFFF) << 32) | ntohl((x) >> 32))
#endif
#endif
#endif /* _PLATFORM_H_ */
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