Changeset 615 for GPL/branches/uniaud32-next/lib32/waitqueue.c

Timestamp:

Jan 1, 2021, 5:31:48 AM (5 years ago)

Author:

Paul Smedley

Message:

Add source for uniaud32 based on code from linux kernel 5.4.86

Location:

GPL/branches/uniaud32-next

Files:

• . (copied) (copied from GPL/branches/uniaud32-linux-3.2.102 )
• lib32/waitqueue.c (modified) (5 diffs)

GPL/branches/uniaud32-next/lib32/waitqueue.c

@@ -38 +38 @@
 //******************************************************************************
 //******************************************************************************
-void add_wait_queue(wait_queue_head_t *q, wait_queue_t * wait)
+void add_wait_queue(struct wait_queue_head *q, struct wait_queue_entry * wait)
 {
 //    dprintf3(("WARNING: add_wait_queue STUB"));
@@ -44 +44 @@
 //******************************************************************************
 //******************************************************************************
-void add_wait_queue_exclusive(wait_queue_head_t *q)
+void add_wait_queue_exclusive(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry)
 {
 //    dprintf3(("WARNING: add_wait_queue_exclusive STUB"));
@@ -50 +50 @@
 //******************************************************************************
 //******************************************************************************
-void remove_wait_queue(wait_queue_head_t *q, wait_queue_t * wait)
+void remove_wait_queue(struct wait_queue_head *q, struct wait_queue_entry * wait)
 {
 //    dprintf(("WARNING: remove_wait_queue STUB"));
@@ -75 +75 @@
 //******************************************************************************
 //******************************************************************************
-void init_waitqueue_entry(wait_queue_t *q, struct task_struct *p)
+void init_waitqueue_entry(struct wait_queue_entry *wq_entry, struct task_struct *p)
 {
 //    dprintf(("WARNING: init_waitqueue_entry STUB"));
@@ -88 +88 @@
 //******************************************************************************
 //******************************************************************************
+/**
+ * complete: - signals a single thread waiting on this completion
+ * @x:  holds the state of this particular completion
+ *
+ * This will wake up a single thread waiting on this completion. Threads will be
+ * awakened in the same order in which they were queued.
+ *
+ * See also complete_all(), wait_for_completion() and related routines.
+ *
+ * It may be assumed that this function implies a write memory barrier before
+ * changing the task state if and only if any tasks are woken up.
+ */
+void complete(struct completion *x)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&x->wait.lock, flags);
+        x->done++;
+        __wake_up_locked(&x->wait, TASK_NORMAL, 1);
+        spin_unlock_irqrestore(&x->wait.lock, flags);
+}
+//******************************************************************************
+//******************************************************************************
+void __wake_up_locked(wait_queue_head_t *q, unsigned int mode, int nr)
+{
+    dprintf3(("WARNING: __wake_up_locked STUB"));
+}