update .gitignore

hc

2024-03-26 e9199a72d842cbda78ac614eee5db7cdaa6f2530

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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LIBLOCKDEP_RWLOCK_H
#define _LIBLOCKDEP_RWLOCK_H
 
#include <pthread.h>
#include "common.h"
 
struct liblockdep_pthread_rwlock {
    pthread_rwlock_t rwlock;
    struct lockdep_map dep_map;
};
 
typedef struct liblockdep_pthread_rwlock liblockdep_pthread_rwlock_t;
 
#define LIBLOCKDEP_PTHREAD_RWLOCK_INITIALIZER(rwl)            \
        (struct liblockdep_pthread_rwlock) {            \
    .rwlock = PTHREAD_RWLOCK_INITIALIZER,                \
    .dep_map = STATIC_LOCKDEP_MAP_INIT(#rwl, &((&(rwl))->dep_map)),    \
}
 
static inline int __rwlock_init(liblockdep_pthread_rwlock_t *lock,
                const char *name,
                struct lock_class_key *key,
                const pthread_rwlockattr_t *attr)
{
    lockdep_init_map(&lock->dep_map, name, key, 0);
 
    return pthread_rwlock_init(&lock->rwlock, attr);
}
 
#define liblockdep_pthread_rwlock_init(lock, attr)        \
({                            \
    static struct lock_class_key __key;        \
                            \
    __rwlock_init((lock), #lock, &__key, (attr));    \
})
 
static inline int liblockdep_pthread_rwlock_rdlock(liblockdep_pthread_rwlock_t *lock)
{
    lock_acquire(&lock->dep_map, 0, 0, 2, 1, NULL, (unsigned long)_RET_IP_);
    return pthread_rwlock_rdlock(&lock->rwlock);
 
}
 
static inline int liblockdep_pthread_rwlock_unlock(liblockdep_pthread_rwlock_t *lock)
{
    lock_release(&lock->dep_map, (unsigned long)_RET_IP_);
    return pthread_rwlock_unlock(&lock->rwlock);
}
 
static inline int liblockdep_pthread_rwlock_wrlock(liblockdep_pthread_rwlock_t *lock)
{
    lock_acquire(&lock->dep_map, 0, 0, 0, 1, NULL, (unsigned long)_RET_IP_);
    return pthread_rwlock_wrlock(&lock->rwlock);
}
 
static inline int liblockdep_pthread_rwlock_tryrdlock(liblockdep_pthread_rwlock_t *lock)
{
    lock_acquire(&lock->dep_map, 0, 1, 2, 1, NULL, (unsigned long)_RET_IP_);
    return pthread_rwlock_tryrdlock(&lock->rwlock) == 0 ? 1 : 0;
}
 
static inline int liblockdep_pthread_rwlock_trywrlock(liblockdep_pthread_rwlock_t *lock)
{
    lock_acquire(&lock->dep_map, 0, 1, 0, 1, NULL, (unsigned long)_RET_IP_);
    return pthread_rwlock_trywrlock(&lock->rwlock) == 0 ? 1 : 0;
}
 
static inline int liblockdep_rwlock_destroy(liblockdep_pthread_rwlock_t *lock)
{
    return pthread_rwlock_destroy(&lock->rwlock);
}
 
#ifdef __USE_LIBLOCKDEP
 
#define pthread_rwlock_t        liblockdep_pthread_rwlock_t
#define pthread_rwlock_init        liblockdep_pthread_rwlock_init
#define pthread_rwlock_rdlock        liblockdep_pthread_rwlock_rdlock
#define pthread_rwlock_unlock        liblockdep_pthread_rwlock_unlock
#define pthread_rwlock_wrlock        liblockdep_pthread_rwlock_wrlock
#define pthread_rwlock_tryrdlock    liblockdep_pthread_rwlock_tryrdlock
#define pthread_rwlock_trywrlock    liblockdep_pthread_rwlock_trywrlock
#define pthread_rwlock_destroy        liblockdep_rwlock_destroy
 
#endif
 
#endif