forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
2.2 KiB
73 lines
2.2 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#ifndef _LIBLOCKDEP_MUTEX_H |
|
#define _LIBLOCKDEP_MUTEX_H |
|
|
|
#include <pthread.h> |
|
#include "common.h" |
|
|
|
struct liblockdep_pthread_mutex { |
|
pthread_mutex_t mutex; |
|
struct lock_class_key key; |
|
struct lockdep_map dep_map; |
|
}; |
|
|
|
typedef struct liblockdep_pthread_mutex liblockdep_pthread_mutex_t; |
|
|
|
#define LIBLOCKDEP_PTHREAD_MUTEX_INITIALIZER(mtx) \ |
|
(const struct liblockdep_pthread_mutex) { \ |
|
.mutex = PTHREAD_MUTEX_INITIALIZER, \ |
|
.dep_map = STATIC_LOCKDEP_MAP_INIT(#mtx, &((&(mtx))->dep_map)), \ |
|
} |
|
|
|
static inline int __mutex_init(liblockdep_pthread_mutex_t *lock, |
|
const char *name, |
|
struct lock_class_key *key, |
|
const pthread_mutexattr_t *__mutexattr) |
|
{ |
|
lockdep_init_map(&lock->dep_map, name, key, 0); |
|
return pthread_mutex_init(&lock->mutex, __mutexattr); |
|
} |
|
|
|
#define liblockdep_pthread_mutex_init(mutex, mutexattr) \ |
|
({ \ |
|
lockdep_register_key(&(mutex)->key); \ |
|
__mutex_init((mutex), #mutex, &(mutex)->key, (mutexattr)); \ |
|
}) |
|
|
|
static inline int liblockdep_pthread_mutex_lock(liblockdep_pthread_mutex_t *lock) |
|
{ |
|
lock_acquire(&lock->dep_map, 0, 0, 0, 1, NULL, (unsigned long)_RET_IP_); |
|
return pthread_mutex_lock(&lock->mutex); |
|
} |
|
|
|
static inline int liblockdep_pthread_mutex_unlock(liblockdep_pthread_mutex_t *lock) |
|
{ |
|
lock_release(&lock->dep_map, (unsigned long)_RET_IP_); |
|
return pthread_mutex_unlock(&lock->mutex); |
|
} |
|
|
|
static inline int liblockdep_pthread_mutex_trylock(liblockdep_pthread_mutex_t *lock) |
|
{ |
|
lock_acquire(&lock->dep_map, 0, 1, 0, 1, NULL, (unsigned long)_RET_IP_); |
|
return pthread_mutex_trylock(&lock->mutex) == 0 ? 1 : 0; |
|
} |
|
|
|
static inline int liblockdep_pthread_mutex_destroy(liblockdep_pthread_mutex_t *lock) |
|
{ |
|
lockdep_reset_lock(&lock->dep_map); |
|
lockdep_unregister_key(&lock->key); |
|
return pthread_mutex_destroy(&lock->mutex); |
|
} |
|
|
|
#ifdef __USE_LIBLOCKDEP |
|
|
|
#define pthread_mutex_t liblockdep_pthread_mutex_t |
|
#define pthread_mutex_init liblockdep_pthread_mutex_init |
|
#define pthread_mutex_lock liblockdep_pthread_mutex_lock |
|
#define pthread_mutex_unlock liblockdep_pthread_mutex_unlock |
|
#define pthread_mutex_trylock liblockdep_pthread_mutex_trylock |
|
#define pthread_mutex_destroy liblockdep_pthread_mutex_destroy |
|
|
|
#endif |
|
|
|
#endif
|
|
|