From f8ff013e3cc737b92b5a140dfd0ddcc5ab6773d9 Mon Sep 17 00:00:00 2001
From: Michael Bebenita <mbebenita@mozilla.com>
Date: Fri, 27 Aug 2010 18:26:36 -0700
Subject: Added a few utility classes, cleaned up the include order of .h
 files, and started to make the Rust kernel own domain message queues rather
 than the Rust domains themselves.

---
 src/rt/util/synchronized_indexed_list.h | 56 +++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 src/rt/util/synchronized_indexed_list.h

(limited to 'src/rt/util/synchronized_indexed_list.h')

diff --git a/src/rt/util/synchronized_indexed_list.h b/src/rt/util/synchronized_indexed_list.h
new file mode 100644
index 00000000..ca02f6ef
--- /dev/null
+++ b/src/rt/util/synchronized_indexed_list.h
@@ -0,0 +1,56 @@
+#ifndef SYNCHRONIZED_INDEXED_LIST_H
+#define SYNCHRONIZED_INDEXED_LIST_H
+
+#include "indexed_list.h"
+
+template<typename T> class synchronized_indexed_list :
+    public indexed_list<T> {
+    spin_lock _lock;
+public:
+    synchronized_indexed_list(memory_region &region) :
+        indexed_list<T>(region) {
+        // Nop.
+    }
+
+    int32_t append(T *value) {
+        int32_t index = 0;
+        _lock.lock();
+        index = indexed_list<T>::append(value);
+        _lock.unlock();
+        return index;
+    }
+
+    size_t length() {
+       size_t length = 0;
+       _lock.lock();
+       length = indexed_list<T>::length();
+       _lock.unlock();
+       return length;
+    }
+
+    bool is_empty() {
+        bool empty = false;
+        _lock.lock();
+        empty = indexed_list<T>::is_empty();
+        _lock.unlock();
+        return empty;
+    }
+
+    int32_t remove(T* value) {
+        size_t index = 0;
+        _lock.lock();
+        index = indexed_list<T>::remove(value);
+        _lock.unlock();
+        return index;
+    }
+
+    T *operator[](size_t index) {
+        T *value = NULL;
+        _lock.lock();
+        value = indexed_list<T>::operator[](index);
+        _lock.unlock();
+        return value;
+    }
+};
+
+#endif /* SYNCHRONIZED_INDEXED_LIST_H */
-- 
cgit v1.2.3