esp-idf/components/spi_flash/sim/stubs/newlib/include/sys/lock.h

#pragma once

#include <time.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef int _lock_t;

void _lock_acquire(_lock_t *lock);
void _lock_close(_lock_t *lock);
void _lock_init(_lock_t *lock);
void _lock_release(_lock_t *lock);

#ifdef __cplusplus
}
#endif