Merge remote-tracking branch 'goog/libutils-import' into HEAD

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/*

 * Copyright (C) 2007 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 _LIBS_UTILS_ANDROID_THREADS_H

#define _LIBS_UTILS_ANDROID_THREADS_H

#include <stdint.h>

#include <sys/types.h>

#if defined(HAVE_PTHREADS)

# include <pthread.h>

#endif

#include <utils/ThreadDefs.h>

// ---------------------------------------------------------------------------

// C API

#ifdef __cplusplus

extern "C" {

#endif

// Create and run a new thread.

extern int androidCreateThread(android_thread_func_t, void *);

// Create thread with lots of parameters

extern int androidCreateThreadEtc(android_thread_func_t entryFunction,

                                  void *userData,

                                  const char* threadName,

                                  int32_t threadPriority,

                                  size_t threadStackSize,

                                  android_thread_id_t *threadId);

// Get some sort of unique identifier for the current thread.

extern android_thread_id_t androidGetThreadId();

// Low-level thread creation -- never creates threads that can

// interact with the Java VM.

extern int androidCreateRawThreadEtc(android_thread_func_t entryFunction,

                                     void *userData,

                                     const char* threadName,

                                     int32_t threadPriority,

                                     size_t threadStackSize,

                                     android_thread_id_t *threadId);

// set the same of the running thread

extern void androidSetThreadName(const char* name);

// Used by the Java Runtime to control how threads are created, so that

// they can be proper and lovely Java threads.

typedef int (*android_create_thread_fn)(android_thread_func_t entryFunction,

                                        void *userData,

                                        const char* threadName,

                                        int32_t threadPriority,

                                        size_t threadStackSize,

                                        android_thread_id_t *threadId);

extern void androidSetCreateThreadFunc(android_create_thread_fn func);

// ------------------------------------------------------------------

// Extra functions working with raw pids.

// Get pid for the current thread.

extern pid_t androidGetTid();

#ifdef HAVE_ANDROID_OS

// Change the priority AND scheduling group of a particular thread.  The priority

// should be one of the ANDROID_PRIORITY constants.  Returns INVALID_OPERATION

// if the priority set failed, else another value if just the group set failed;

// in either case errno is set.  Thread ID zero means current thread.

extern int androidSetThreadPriority(pid_t tid, int prio);

// Get the current priority of a particular thread. Returns one of the

// ANDROID_PRIORITY constants or a negative result in case of error.

extern int androidGetThreadPriority(pid_t tid);

#endif

#ifdef __cplusplus

} // extern "C"

#endif

// ----------------------------------------------------------------------------

// C++ API

#ifdef __cplusplus

namespace android {

// ----------------------------------------------------------------------------

// Create and run a new thread.

inline bool createThread(thread_func_t f, void *a) {

    return androidCreateThread(f, a) ? true : false;

}

// Create thread with lots of parameters

inline bool createThreadEtc(thread_func_t entryFunction,

                            void *userData,

                            const char* threadName = "android:unnamed_thread",

                            int32_t threadPriority = PRIORITY_DEFAULT,

                            size_t threadStackSize = 0,

                            thread_id_t *threadId = 0)

{

    return androidCreateThreadEtc(entryFunction, userData, threadName,

        threadPriority, threadStackSize, threadId) ? true : false;

}

// Get some sort of unique identifier for the current thread.

inline thread_id_t getThreadId() {

    return androidGetThreadId();

}

// ----------------------------------------------------------------------------

}; // namespace android

#endif  // __cplusplus

// ----------------------------------------------------------------------------

#endif // _LIBS_UTILS_ANDROID_THREADS_H

/*

 * Copyright (C) 2005 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 ANDROID_UTILS_ATOMIC_H

#define ANDROID_UTILS_ATOMIC_H

#include <cutils/atomic.h>

#endif // ANDROID_UTILS_ATOMIC_H