Patch svn r35084 & remove namespace baidu

Change-Id: Iaae684ff476283a237925fde0477cd75fe36be0d

base/containers/bounded_queue.h

@@ -16,28 +16,52 @@
 
 namespace base {
 
-// NOTE: This version requires storage in ctor rather than allocating it, 
-// which is different from DP version.
-// Example:
+// [Create a on-stack small queue]
 //   char storage[64];
 //   base::BoundedQueue<int> q(storage, sizeof(storage), base::NOT_OWN_STORAGE);
 //   q.push(1);
 //   q.push(2);
 //   ...
    
+// [Initialize a class-member queue]
+//   class Foo {
+//     ...
+//     BoundQueue<int> _queue;
+//   };
+//   int Foo::init() {
+//     BoundedQueue<int> tmp(capacity);
+//     if (!tmp.initialized()) {
+//       LOG(ERROR) << "Fail to create _queue";
+//       return -1;
+//     }
+//     tmp.swap(_queue);
+//   }
+
 enum StorageOwnership { OWNS_STORAGE, NOT_OWN_STORAGE };
 
 template <typename T>
 class BoundedQueue {
 public:
     // You have to pass the memory for storing items at creation.
-    // The queue contains at most size / sizeof(T) items.
-    BoundedQueue(void* spaces, size_t size, StorageOwnership ownership)
+    // The queue contains at most memsize/sizeof(T) items.
+    BoundedQueue(void* mem, size_t memsize, StorageOwnership ownership)
         : _count(0)
-        , _cap(size / sizeof(T))
+        , _cap(memsize / sizeof(T))
         , _start(0)
         , _ownership(ownership)
-        , _items(spaces) {
+        , _items(mem) {
+        DCHECK(_items);
+    };
+    
+    // Construct a queue with the given capacity.
+    // The malloc() may fail sliently, call initialized() to test validity
+    // of the queue.
+    explicit BoundedQueue(size_t capacity)
+        : _count(0)
+        , _cap(capacity)
+        , _start(0)
+        , _ownership(OWNS_STORAGE)
+        , _items(malloc(capacity * sizeof(T))) {
         DCHECK(_items);
     };
     

base/containers/flat_map.h

@@ -464,7 +464,7 @@ _T* find_lowered_cstr(FlatMap<std::string, _T, _Hash, _Equal, _Sparse>& m,
     return m.seek(*tls_stringmap_temp.get_lowered_string(key, length));
 }
 
-}  // namespace baidu
+}  // namespace base
 
 #include "base/containers/flat_map_inl.h"
 

bthread/id.cpp

@@ -367,17 +367,6 @@ static int id_create_ranged_impl(
 
 }  // namespace bthread
 
-namespace baidu {
-namespace bthread {
-void id_status(bthread_id_t id, std::ostream& os) {
-    ::bthread::id_status(id, os);
-}
-void id_pool_status(std::ostream& os) {
-    ::bthread::id_pool_status(os);
-}
-}
-}
-
 extern "C" {
 
 int bthread_id_create(

bthread/task_group.cpp

@@ -917,13 +917,3 @@ void print_task(std::ostream& os, bthread_t tid) {
 }
 
 }  // namespace bthread
-
-namespace baidu {
-namespace bthread {
-void print_task(std::ostream& os, bthread_t tid) {
-    ::bthread::print_task(os, tid);
-}
-extern BAIDU_THREAD_LOCAL void* tls_unique_user_ptr
-    __attribute__ ((alias ("_ZN7bthread19tls_unique_user_ptrE")));
-}
-}