Changeset 82d56184 in mainline for uspace/lib/c/generic/adt/prodcons.c

Timestamp:

2011-06-01T21:05:19Z (13 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

5cac9cd

Parents:

682cfceb (diff), 5d1b3aa (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge mainline changes.

File:

• uspace/lib/c/generic/adt/prodcons.c (moved) (moved from kernel/test/fpu/fpu1_skip.c ) (2 diffs)

uspace/lib/c/generic/adt/prodcons.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2009 Martin Decky
+ * Copyright (c) 2011 Martin Decky
  * All rights reserved.
  *
@@ -27 +27 @@
  */
 
-#include <test.h>
+/** @addtogroup libc
+ * @{
+ */
+/** @file
+ */
 
-const char *test_fpu1(void)
+#include <adt/prodcons.h>
+#include <adt/list.h>
+#include <fibril_synch.h>
+
+void prodcons_initialize(prodcons_t *pc)
 {
-        return NULL;
+        list_initialize(&pc->list);
+        fibril_mutex_initialize(&pc->mtx);
+        fibril_condvar_initialize(&pc->cv);
 }
+
+void prodcons_produce(prodcons_t *pc, link_t *item)
+{
+        fibril_mutex_lock(&pc->mtx);
+        
+        list_append(item, &pc->list);
+        fibril_condvar_signal(&pc->cv);
+        
+        fibril_mutex_unlock(&pc->mtx);
+}
+
+link_t *prodcons_consume(prodcons_t *pc)
+{
+        fibril_mutex_lock(&pc->mtx);
+        
+        while (list_empty(&pc->list))
+                fibril_condvar_wait(&pc->cv, &pc->mtx);
+        
+        link_t *head = pc->list.next;
+        list_remove(head);
+        
+        fibril_mutex_unlock(&pc->mtx);
+        
+        return head;
+}
+
+/** @}
+ */