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Removed linux linked list dependency.

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This commit is contained in:
Bahadir Balban
2009-06-02 13:19:17 +03:00
parent 4757f46f71
commit 276b4643c6
69 changed files with 455 additions and 885 deletions
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22
src/lib/mutex.c
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@@ -37,8 +37,8 @@ void sem_up(struct mutex *mutex)
/* Each producer wakes one consumer in queue. */
mutex->sleepers--;
BUG_ON(list_empty(&mutex->wq.task_list));
list_for_each_entry(wq, &mutex->wq.task_list, task_list) {
list_del_init(&wq->task_list);
list_foreach_struct(wq, &mutex->wq.task_list, task_list) {
list_remove_init(&wq->task_list);
spin_unlock(&mutex->slock);
sleeper = wq->task;
printk("(%d) Waking up consumer (%d)\n", current->tid,
@@ -48,8 +48,8 @@ void sem_up(struct mutex *mutex)
}
} else if (cnt > 0) {
DECLARE_WAITQUEUE(wq, current);
INIT_LIST_HEAD(&wq.task_list);
list_add_tail(&wq.task_list, &mutex->wq.task_list);
link_init(&wq.task_list);
list_insert_tail(&wq.task_list, &mutex->wq.task_list);
mutex->sleepers++;
sched_prepare_sleep();
printk("(%d) produced, now sleeping...\n", current->tid);
@@ -75,8 +75,8 @@ void sem_down(struct mutex *mutex)
/* Each consumer wakes one producer in queue. */
mutex->sleepers--;
BUG_ON(list_empty(&mutex->wq.task_list));
list_for_each_entry(wq, &mutex->wq.task_list, task_list) {
list_del_init(&wq->task_list);
list_foreach_struct(wq, &mutex->wq.task_list, task_list) {
list_remove_init(&wq->task_list);
spin_unlock(&mutex->slock);
sleeper = wq->task;
printk("(%d) Waking up producer (%d)\n", current->tid,
@@ -86,8 +86,8 @@ void sem_down(struct mutex *mutex)
}
} else if (cnt < 0) {
DECLARE_WAITQUEUE(wq, current);
INIT_LIST_HEAD(&wq.task_list);
list_add_tail(&wq.task_list, &mutex->wq.task_list);
link_init(&wq.task_list);
list_insert_tail(&wq.task_list, &mutex->wq.task_list);
mutex->sleepers++;
sched_prepare_sleep();
printk("(%d) Waiting to consume, now sleeping...\n", current->tid);
@@ -122,7 +122,7 @@ int mutex_lock(struct mutex *mutex)
if (!__mutex_lock(&mutex->lock)) { /* Could not lock, sleep. */
CREATE_WAITQUEUE_ON_STACK(wq, current);
task_set_wqh(current, &mutex->wqh, &wq);
list_add_tail(&wq.task_list, &mutex->wqh.task_list);
list_insert_tail(&wq.task_list, &mutex->wqh.task_list);
mutex->wqh.sleepers++;
sched_prepare_sleep();
spin_unlock(&mutex->wqh.slock);
@@ -151,14 +151,14 @@ void mutex_unlock(struct mutex *mutex)
BUG_ON(current->nlocks < 0);
BUG_ON(mutex->wqh.sleepers < 0);
if (mutex->wqh.sleepers > 0) {
struct waitqueue *wq = list_entry(mutex->wqh.task_list.next,
struct waitqueue *wq = link_to_struct(mutex->wqh.task_list.next,
struct waitqueue,
task_list);
struct ktcb *sleeper = wq->task;
task_unset_wqh(sleeper);
BUG_ON(list_empty(&mutex->wqh.task_list));
list_del_init(&wq->task_list);
list_remove_init(&wq->task_list);
mutex->wqh.sleepers--;
spin_unlock(&mutex->wqh.slock);