netdata/libnetdata/locks/locks.h

// SPDX-License-Identifier: GPL-3.0-or-later

#ifndef NETDATA_LOCKS_H
#define NETDATA_LOCKS_H 1

#include "../libnetdata.h"

typedef pthread_mutex_t netdata_mutex_t;
#define NETDATA_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER

typedef pthread_rwlock_t netdata_rwlock_t;
#define NETDATA_RWLOCK_INITIALIZER PTHREAD_RWLOCK_INITIALIZER

extern int __netdata_mutex_init(netdata_mutex_t *mutex);
extern int __netdata_mutex_lock(netdata_mutex_t *mutex);
extern int __netdata_mutex_trylock(netdata_mutex_t *mutex);
extern int __netdata_mutex_unlock(netdata_mutex_t *mutex);

extern int __netdata_rwlock_destroy(netdata_rwlock_t *rwlock);
extern int __netdata_rwlock_init(netdata_rwlock_t *rwlock);
extern int __netdata_rwlock_rdlock(netdata_rwlock_t *rwlock);
extern int __netdata_rwlock_wrlock(netdata_rwlock_t *rwlock);
extern int __netdata_rwlock_unlock(netdata_rwlock_t *rwlock);
extern int __netdata_rwlock_tryrdlock(netdata_rwlock_t *rwlock);
extern int __netdata_rwlock_trywrlock(netdata_rwlock_t *rwlock);

extern int netdata_mutex_init_debug( const char *file, const char *function, const unsigned long line, netdata_mutex_t *mutex);
extern int netdata_mutex_lock_debug( const char *file, const char *function, const unsigned long line, netdata_mutex_t *mutex);
extern int netdata_mutex_trylock_debug( const char *file, const char *function, const unsigned long line, netdata_mutex_t *mutex);
extern int netdata_mutex_unlock_debug( const char *file, const char *function, const unsigned long line, netdata_mutex_t *mutex);

extern int netdata_rwlock_destroy_debug( const char *file, const char *function, const unsigned long line, netdata_rwlock_t *rwlock);
extern int netdata_rwlock_init_debug( const char *file, const char *function, const unsigned long line, netdata_rwlock_t *rwlock);
extern int netdata_rwlock_rdlock_debug( const char *file, const char *function, const unsigned long line, netdata_rwlock_t *rwlock);
extern int netdata_rwlock_wrlock_debug( const char *file, const char *function, const unsigned long line, netdata_rwlock_t *rwlock);
extern int netdata_rwlock_unlock_debug( const char *file, const char *function, const unsigned long line, netdata_rwlock_t *rwlock);
extern int netdata_rwlock_tryrdlock_debug( const char *file, const char *function, const unsigned long line, netdata_rwlock_t *rwlock);
extern int netdata_rwlock_trywrlock_debug( const char *file, const char *function, const unsigned long line, netdata_rwlock_t *rwlock);

extern void netdata_thread_disable_cancelability(void);
extern void netdata_thread_enable_cancelability(void);

#ifdef NETDATA_INTERNAL_CHECKS

#define netdata_mutex_init(mutex)    netdata_mutex_init_debug(__FILE__, __FUNCTION__, __LINE__, mutex)
#define netdata_mutex_lock(mutex)    netdata_mutex_lock_debug(__FILE__, __FUNCTION__, __LINE__, mutex)
#define netdata_mutex_trylock(mutex) netdata_mutex_trylock_debug(__FILE__, __FUNCTION__, __LINE__, mutex)
#define netdata_mutex_unlock(mutex)  netdata_mutex_unlock_debug(__FILE__, __FUNCTION__, __LINE__, mutex)

#define netdata_rwlock_destroy(rwlock)   netdata_rwlock_destroy_debug(__FILE__, __FUNCTION__, __LINE__, rwlock)
#define netdata_rwlock_init(rwlock)      netdata_rwlock_init_debug(__FILE__, __FUNCTION__, __LINE__, rwlock)
#define netdata_rwlock_rdlock(rwlock)    netdata_rwlock_rdlock_debug(__FILE__, __FUNCTION__, __LINE__, rwlock)
#define netdata_rwlock_wrlock(rwlock)    netdata_rwlock_wrlock_debug(__FILE__, __FUNCTION__, __LINE__, rwlock)
#define netdata_rwlock_unlock(rwlock)    netdata_rwlock_unlock_debug(__FILE__, __FUNCTION__, __LINE__, rwlock)
#define netdata_rwlock_tryrdlock(rwlock) netdata_rwlock_tryrdlock_debug(__FILE__, __FUNCTION__, __LINE__, rwlock)
#define netdata_rwlock_trywrlock(rwlock) netdata_rwlock_trywrlock_debug(__FILE__, __FUNCTION__, __LINE__, rwlock)

#else // !NETDATA_INTERNAL_CHECKS

#define netdata_mutex_init(mutex)    __netdata_mutex_init(mutex)
#define netdata_mutex_lock(mutex)    __netdata_mutex_lock(mutex)
#define netdata_mutex_trylock(mutex) __netdata_mutex_trylock(mutex)
#define netdata_mutex_unlock(mutex)  __netdata_mutex_unlock(mutex)

#define netdata_rwlock_destroy(rwlock)    __netdata_rwlock_destroy(rwlock)
#define netdata_rwlock_init(rwlock)       __netdata_rwlock_init(rwlock)
#define netdata_rwlock_rdlock(rwlock)     __netdata_rwlock_rdlock(rwlock)
#define netdata_rwlock_wrlock(rwlock)     __netdata_rwlock_wrlock(rwlock)
#define netdata_rwlock_unlock(rwlock)     __netdata_rwlock_unlock(rwlock)
#define netdata_rwlock_tryrdlock(rwlock)  __netdata_rwlock_tryrdlock(rwlock)
#define netdata_rwlock_trywrlock(rwlock)  __netdata_rwlock_trywrlock(rwlock)

#endif // NETDATA_INTERNAL_CHECKS

#endif //NETDATA_LOCKS_H