More threads work.
Adds stubs (and sometimes implementations) for dalvik.system.VMStack and
java.lang.Thread native methods. There was a bug in the dalvik
thread priority setting code, where the current thread and the passed-in
thread were confused.
I've also pulled Mutex and ThreadList out into their own files, and
moved some functionality around (with the aim of having more stuff
private, especially locks).
Change-Id: Ieb0f22669cac3df44ca34f7868f8e7d4dfa09ab6
diff --git a/src/mutex.h b/src/mutex.h
new file mode 100644
index 0000000..cbfd5a0
--- /dev/null
+++ b/src/mutex.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_SRC_MUTEX_H_
+#define ART_SRC_MUTEX_H_
+
+#include <pthread.h>
+#include <string>
+
+#include "logging.h"
+#include "macros.h"
+
+namespace art {
+
+class Mutex {
+ public:
+ explicit Mutex(const char* name);
+ ~Mutex();
+
+ void Lock();
+
+ bool TryLock();
+
+ void Unlock();
+
+ const char* GetName() {
+ return name_.c_str();
+ }
+
+ pthread_mutex_t* GetImpl() {
+ return &mutex_;
+ }
+
+ void AssertHeld() {
+#ifdef __BIONIC__
+ DCHECK_EQ(GetOwner(), GetTid());
+#endif
+ }
+
+ void AssertNotHeld() {
+#ifdef __BIONIC__
+ DCHECK_NE(GetOwner(), GetTid());
+#endif
+ }
+
+ private:
+ pid_t GetOwner();
+ pid_t GetTid();
+
+ std::string name_;
+
+ pthread_mutex_t mutex_;
+
+ DISALLOW_COPY_AND_ASSIGN(Mutex);
+};
+
+class MutexLock {
+ public:
+ explicit MutexLock(Mutex& mu) : mu_(mu) {
+ mu_.Lock();
+ }
+
+ ~MutexLock() {
+ mu_.Unlock();
+ }
+
+ private:
+ Mutex& mu_;
+ DISALLOW_COPY_AND_ASSIGN(MutexLock);
+};
+
+} // namespace art
+
+#endif // ART_SRC_MUTEX_H_