mirror of
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138 lines
4.4 KiB
C++
138 lines
4.4 KiB
C++
/*************************************************************************/
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/* thread_jandroid.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "thread_jandroid.h"
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#include "os/memory.h"
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#include "script_language.h"
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Thread::ID ThreadAndroid::get_ID() const {
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return id;
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}
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Thread* ThreadAndroid::create_thread_jandroid() {
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return memnew( ThreadAndroid );
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}
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void *ThreadAndroid::thread_callback(void *userdata) {
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ThreadAndroid *t=reinterpret_cast<ThreadAndroid*>(userdata);
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setup_thread();
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ScriptServer::thread_enter(); //scripts may need to attach a stack
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t->id=(ID)pthread_self();
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t->callback(t->user);
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ScriptServer::thread_exit();
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return NULL;
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}
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Thread* ThreadAndroid::create_func_jandroid(ThreadCreateCallback p_callback,void *p_user,const Settings&) {
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ThreadAndroid *tr= memnew(ThreadAndroid);
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tr->callback=p_callback;
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tr->user=p_user;
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pthread_attr_init(&tr->pthread_attr);
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pthread_attr_setdetachstate(&tr->pthread_attr, PTHREAD_CREATE_JOINABLE);
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pthread_create(&tr->pthread, &tr->pthread_attr, thread_callback, tr);
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return tr;
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}
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Thread::ID ThreadAndroid::get_thread_ID_func_jandroid() {
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return (ID)pthread_self();
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}
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void ThreadAndroid::wait_to_finish_func_jandroid(Thread* p_thread) {
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ThreadAndroid *tp=static_cast<ThreadAndroid*>(p_thread);
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ERR_FAIL_COND(!tp);
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ERR_FAIL_COND(tp->pthread==0);
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pthread_join(tp->pthread,NULL);
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tp->pthread=0;
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}
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void ThreadAndroid::_thread_destroyed(void* value) {
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/* The thread is being destroyed, detach it from the Java VM and set the mThreadKey value to NULL as required */
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JNIEnv *env = (JNIEnv*) value;
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if (env != NULL) {
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java_vm->DetachCurrentThread();
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pthread_setspecific(jvm_key, NULL);
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}
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}
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pthread_key_t ThreadAndroid::jvm_key;
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JavaVM* ThreadAndroid::java_vm=NULL;
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void ThreadAndroid::setup_thread() {
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if (pthread_getspecific(jvm_key))
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return; //already setup
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JNIEnv *env;
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java_vm->AttachCurrentThread(&env, NULL);
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pthread_setspecific(jvm_key, (void*) env);
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}
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void ThreadAndroid::make_default(JavaVM* p_java_vm) {
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java_vm=p_java_vm;
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create_func=create_func_jandroid;
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get_thread_ID_func=get_thread_ID_func_jandroid;
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wait_to_finish_func=wait_to_finish_func_jandroid;
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pthread_key_create(&jvm_key, _thread_destroyed);
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setup_thread();
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}
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JNIEnv *ThreadAndroid::get_env() {
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if (!pthread_getspecific(jvm_key)) {
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setup_thread();
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}
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JNIEnv *env=NULL;
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int status = java_vm->AttachCurrentThread(&env, NULL);
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return env;
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}
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ThreadAndroid::ThreadAndroid() {
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pthread=0;
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}
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ThreadAndroid::~ThreadAndroid() {
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}
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