| /DragonOS-0.1.2/kernel/src/common/ |
| D | spinlock.h | 22 int8_t lock; // 1:unlocked 0:locked member
25 extern void __arch_spin_lock(spinlock_t *lock);
26 extern void __arch_spin_unlock(spinlock_t *lock);
28 extern void __arch_spin_lock_no_preempt(spinlock_t *lock);
29 extern void __arch_spin_unlock_no_preempt(spinlock_t *lock);
31 extern long __arch_spin_trylock(spinlock_t *lock);
38 void spin_lock(spinlock_t *lock) in spin_lock() argument
40 __arch_spin_lock(lock); in spin_lock()
48 void spin_unlock(spinlock_t *lock) in spin_unlock() argument
50 __arch_spin_unlock(lock); in spin_unlock()
[all …]
|
| D | mutex.h | 39 void mutex_init(mutex_t *lock);
46 void mutex_lock(mutex_t *lock);
53 void mutex_unlock(mutex_t *lock);
62 int mutex_trylock(mutex_t *lock);
69 #define mutex_is_locked(lock) ((atomic_read(&(lock)->count) == 1) ? 0 : 1) argument
|
| D | kfifo.h | 130 …ays_inline kfifo_in_locked(struct kfifo_t *fifo, const void *from, uint32_t size, spinlock_t *lock) in kfifo_in_locked() argument
132 spin_lock(lock); in kfifo_in_locked()
134 spin_unlock(lock); in kfifo_in_locked()
147 …t __always_inline kfifo_out_locked(struct kfifo_t *fifo, void *to, uint32_t size, spinlock_t *lock) in kfifo_out_locked() argument
149 spin_lock(lock); in kfifo_out_locked()
151 spin_unlock(lock); in kfifo_out_locked()
|
| D | wait_queue.h | 38 void wait_queue_sleep_on_unlock(wait_queue_node_t *wait_queue_head, void *lock);
57 spinlock_t lock; // 队列需要有一个自旋锁,虽然目前内部并没有使用,但是以后可能会用.[在completion内部使用] member
102 void wait_queue_sleep_with_node_unlock(wait_queue_head_t *q, wait_queue_node_t *wait, void *lock);
|
| D | lockref.h | 19 spinlock_t lock; member
|
| /DragonOS-0.1.2/kernel/src/libs/ |
| D | mutex.c | 10 void mutex_init(mutex_t *lock) in mutex_init() argument
12 atomic_set(&lock->count, 1); in mutex_init()
13 spin_init(&lock->wait_lock); in mutex_init()
14 list_init(&lock->wait_list); in mutex_init()
23 static void __mutex_acquire(mutex_t *lock) in __mutex_acquire() argument
31 void mutex_lock(mutex_t *lock) in mutex_lock() argument
37 spin_lock(&lock->wait_lock); in mutex_lock()
38 if (likely(mutex_is_locked(lock))) in mutex_lock()
44 spin_unlock(&lock->wait_lock); in mutex_lock()
50 list_append(&lock->wait_list, &waiter->list); in mutex_lock()
[all …]
|
| D | spinlock.rs | 10 pub fn spin_lock_irqsave(lock: *mut spinlock_t, flags: &mut u64) { in spin_lock_irqsave()
13 spin_lock(lock); in spin_lock_irqsave()
19 pub fn spin_unlock_irqrestore(lock: *mut spinlock_t, flags: &u64) { in spin_unlock_irqrestore()
21 spin_unlock(lock); in spin_unlock_irqrestore()
29 pub fn spin_is_locked(lock: &spinlock_t) -> bool { in spin_is_locked()
30 let val = unsafe { read_volatile(&lock.lock as *const i8) }; in spin_is_locked()
37 Self { lock: 1 } in default()
42 pub fn spin_lock_irq(lock: *mut spinlock_t){ in spin_lock_irq()
44 unsafe{spin_lock(lock);} in spin_lock_irq()
48 pub fn spin_unlock_irq(lock: *mut spinlock_t){ in spin_unlock_irq()
[all …]
|
| D | lockref.c | 13 … while (likely(!spin_is_locked(&old.lock))) \
46 spin_lock(&lock_ref->lock); in lockref_inc()
48 spin_unlock(&lock_ref->lock); in lockref_inc()
66 spin_lock(&lock_ref->lock); in lockref_inc_not_zero()
73 spin_unlock(&lock_ref->lock); in lockref_inc_not_zero()
97 spin_lock(&lock_ref->lock); in lockref_dec()
103 spin_unlock(&lock_ref->lock); in lockref_dec()
148 spin_lock(&lock_ref->lock); in lockref_dec_not_zero()
154 spin_unlock(&lock_ref->lock); in lockref_dec_not_zero()
177 spin_lock(&lock_ref->lock); in lockref_dec_or_lock_not_zero()
[all …]
|
| D | wait_queue_head.c | 14 spin_init(&wait_queue->lock); in wait_queue_head_init()
37 void wait_queue_sleep_with_node_unlock(wait_queue_head_t *q, wait_queue_node_t *wait, void *lock) in wait_queue_sleep_with_node_unlock() argument
43 spin_unlock((spinlock_t *)lock); in wait_queue_sleep_with_node_unlock()
|
| D | wait_queue.rs | 8 let mut x = Self { wait_list: Default::default(), lock: Default::default() }; in default()
|
| D | wait_queue.c | 40 void *lock) in wait_queue_sleep_on_unlock() argument
46 spin_unlock((spinlock_t *)lock); in wait_queue_sleep_on_unlock()
|
| /DragonOS-0.1.2/kernel/src/arch/x86_64/asm/ |
| D | spinlock.c | 4 void __arch_spin_lock(spinlock_t *lock) in __arch_spin_lock() argument
15 : "=m"(lock->lock)::"memory"); in __arch_spin_lock()
19 void __arch_spin_unlock(spinlock_t *lock) in __arch_spin_unlock() argument
22 __asm__ __volatile__("movb $1, %0 \n\t" : "=m"(lock->lock)::"memory"); in __arch_spin_unlock()
25 void __arch_spin_lock_no_preempt(spinlock_t *lock) in __arch_spin_lock_no_preempt() argument
36 : "=m"(lock->lock)::"memory"); in __arch_spin_lock_no_preempt()
39 void __arch_spin_unlock_no_preempt(spinlock_t *lock) in __arch_spin_unlock_no_preempt() argument
41 __asm__ __volatile__("movb $1, %0 \n\t" : "=m"(lock->lock)::"memory"); in __arch_spin_unlock_no_preempt()
44 long __arch_spin_trylock(spinlock_t *lock) in __arch_spin_trylock() argument
50 : "=q"(tmp_val), "=m"(lock->lock) in __arch_spin_trylock()
|
| /DragonOS-0.1.2/kernel/src/sched/ |
| D | completion.c | 23 spin_lock(&x->wait_queue.lock); in complete()
29 spin_unlock(&x->wait_queue.lock); in complete()
39 spin_lock(&x->wait_queue.lock); in complete_all()
45 spin_unlock(&x->wait_queue.lock); in complete_all()
70 spin_unlock(&x->wait_queue.lock); in __wait_for_common()
73 spin_lock(&x->wait_queue.lock); in __wait_for_common()
94 spin_lock(&x->wait_queue.lock); in wait_for_completion()
96 spin_unlock(&x->wait_queue.lock); in wait_for_completion()
109 spin_lock(&x->wait_queue.lock); in wait_for_completion_timeout()
111 spin_unlock(&x->wait_queue.lock); in wait_for_completion_timeout()
[all …]
|
| /DragonOS-0.1.2/docs/kernel/locking/ |
| D | locks.md | 72 **`void mutex_init(mutex_t *lock)`**
78 **`void mutex_lock(mutex_t *lock)`**
84 **`void mutex_unlock(mutex_t *lock)`**
90 **`void mutex_trylock(mutex_t *lock)`**
96 **`void mutex_is_locked(mutex_t *lock)`**
|
| D | lockref.md | 18 spinlock_t lock;
31   在改变引用计数时，cmpxchg先确保没有别的线程持有锁，然后改变引用计数，同时通过`lock cmpxchg`指令验证在更改发生时，没有其他线程持有锁，并且当前的目标loc…
|
| /DragonOS-0.1.2/kernel/src/ipc/ |
| D | pipe.c | 17 spinlock_t lock; member
38 spin_lock(&pipe_ptr->data.lock); in pipe_read()
44 wait_queue_sleep_on_unlock(&pipe_ptr->data.read_wait_queue, (void *)&pipe_ptr->data.lock); in pipe_read()
45 spin_lock(&pipe_ptr->data.lock); in pipe_read()
57 spin_unlock(&pipe_ptr->data.lock); in pipe_read()
71 spin_lock(&pipe_ptr->data.lock); in pipe_write()
77 wait_queue_sleep_on_unlock(&pipe_ptr->data.write_wait_queue, (void *)&pipe_ptr->data.lock); in pipe_write()
78 spin_lock(&pipe_ptr->data.lock); in pipe_write()
90 spin_unlock(&pipe_ptr->data.lock); in pipe_write()
117 spin_init(&pipe_ptr->data.lock); in pipe_alloc()
|
| /DragonOS-0.1.2/kernel/src/filesystem/VFS/ |
| D | VFS.c | 301 spin_lock(&parent_dir->lockref.lock); in vfs_mkdir()
315 spin_lock(&parent_dir->dir_inode->lockref.lock); in vfs_mkdir()
317 spin_unlock(&parent_dir->dir_inode->lockref.lock); in vfs_mkdir()
322 spin_unlock(&parent_dir->lockref.lock); in vfs_mkdir()
333 spin_lock(&prev_dentry->lockref.lock); in vfs_mkdir()
336 spin_unlock(&prev_dentry->lockref.lock); in vfs_mkdir()
345 spin_unlock(&parent_dir->lockref.lock); in vfs_mkdir()
448 spin_lock(&parent_dentry->lockref.lock); in do_open()
449 spin_lock(&parent_dentry->dir_inode->lockref.lock); in do_open()
452 spin_unlock(&parent_dentry->dir_inode->lockref.lock); // 解锁inode in do_open()
[all …]
|
| D | dcache.c | 63 spin_lock(&dentry->lockref.lock); in vfs_dentry_put()
67 spin_unlock(&dentry->lockref.lock); in vfs_dentry_put()
71 spin_lock(&dentry->dir_inode->lockref.lock); in vfs_dentry_put()
75 spin_unlock(&dentry->dir_inode->lockref.lock); in vfs_dentry_put()
95 spin_lock(&dentry->dir_inode->lockref.lock); in vfs_dentry_put()
99 spin_unlock(&dentry->dir_inode->lockref.lock); in vfs_dentry_put()
|
| /DragonOS-0.1.2/kernel/src/filesystem/devfs/ |
| D | chardev.c | 34 mutex_t lock; // 操作互斥锁 member
50 mutex_lock(&chardev_manage_info[private_info->sub_type].lock); in __devfs_chardev_register()
67 mutex_unlock(&chardev_manage_info[private_info->sub_type].lock); in __devfs_chardev_register()
81 mutex_init(&chardev_manage_info[i].lock); in __devfs_chardev_init()
|
| /DragonOS-0.1.2/user/libs/libc/ |
| D | .gitignore | 2 Cargo.lock
|
| D | Makefile | 6 rm -f Cargo.lock
|
| /DragonOS-0.1.2/kernel/ |
| D | Makefile | 7 rm -f Cargo.lock
|
| D | .gitignore | 3 Cargo.lock
|
| /DragonOS-0.1.2/kernel/src/libs/libUI/ |
| D | textui.c | 38 window->lock.lock = 1; in __textui_init_window()
216 spin_lock(&window->lock); in textui_putchar_window()
224 spin_unlock(&window->lock); in textui_putchar_window()
278 spin_unlock(&window->lock); in textui_putchar_window()
|
| /DragonOS-0.1.2/kernel/src/process/ |
| D | initial_proc.rs | 22 siglock: spinlock_t { lock: 1 },
|