update name of code to labcodes

2013-09-17 22:21:48 +08:00
parent 759eca9dda
commit 3f8d5876b9
726 changed files with 0 additions and 0 deletions
--- a/labcodes/lab7/kern/sync/wait.h
+++ b/labcodes/lab7/kern/sync/wait.h
@@ -0,0 +1,48 @@
+#ifndef __KERN_SYNC_WAIT_H__
+#define __KERN_SYNC_WAIT_H__
+
+#include <list.h>
+
+typedef struct {
+    list_entry_t wait_head;
+} wait_queue_t;
+
+struct proc_struct;
+
+typedef struct {
+    struct proc_struct *proc;
+    uint32_t wakeup_flags;
+    wait_queue_t *wait_queue;
+    list_entry_t wait_link;
+} wait_t;
+
+#define le2wait(le, member)         \
+    to_struct((le), wait_t, member)
+
+void wait_init(wait_t *wait, struct proc_struct *proc);
+void wait_queue_init(wait_queue_t *queue);
+void wait_queue_add(wait_queue_t *queue, wait_t *wait);
+void wait_queue_del(wait_queue_t *queue, wait_t *wait);
+
+wait_t *wait_queue_next(wait_queue_t *queue, wait_t *wait);
+wait_t *wait_queue_prev(wait_queue_t *queue, wait_t *wait);
+wait_t *wait_queue_first(wait_queue_t *queue);
+wait_t *wait_queue_last(wait_queue_t *queue);
+
+bool wait_queue_empty(wait_queue_t *queue);
+bool wait_in_queue(wait_t *wait);
+void wakeup_wait(wait_queue_t *queue, wait_t *wait, uint32_t wakeup_flags, bool del);
+void wakeup_first(wait_queue_t *queue, uint32_t wakeup_flags, bool del);
+void wakeup_queue(wait_queue_t *queue, uint32_t wakeup_flags, bool del);
+
+void wait_current_set(wait_queue_t *queue, wait_t *wait, uint32_t wait_state);
+
+#define wait_current_del(queue, wait)                                       \
+    do {                                                                    \
+        if (wait_in_queue(wait)) {                                          \
+            wait_queue_del(queue, wait);                                    \
+        }                                                                   \
+    } while (0)
+
+#endif /* !__KERN_SYNC_WAIT_H__ */
+