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/*************************************************************************/
/* thread_jandroid.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "thread_jandroid.h"
#include "os/memory.h"
#include "script_language.h"
Thread::ID ThreadAndroid::get_id() const {
return id;
}
Thread *ThreadAndroid::create_thread_jandroid() {
return memnew(ThreadAndroid);
}
void *ThreadAndroid::thread_callback(void *userdata) {
ThreadAndroid *t = reinterpret_cast<ThreadAndroid *>(userdata);
setup_thread();
ScriptServer::thread_enter(); //scripts may need to attach a stack
t->id = (ID)pthread_self();
t->callback(t->user);
ScriptServer::thread_exit();
return NULL;
}
Thread *ThreadAndroid::create_func_jandroid(ThreadCreateCallback p_callback, void *p_user, const Settings &) {
ThreadAndroid *tr = memnew(ThreadAndroid);
tr->callback = p_callback;
tr->user = p_user;
pthread_attr_init(&tr->pthread_attr);
pthread_attr_setdetachstate(&tr->pthread_attr, PTHREAD_CREATE_JOINABLE);
pthread_create(&tr->pthread, &tr->pthread_attr, thread_callback, tr);
return tr;
}
Thread::ID ThreadAndroid::get_thread_id_func_jandroid() {
return (ID)pthread_self();
}
void ThreadAndroid::wait_to_finish_func_jandroid(Thread *p_thread) {
ThreadAndroid *tp = static_cast<ThreadAndroid *>(p_thread);
ERR_FAIL_COND(!tp);
ERR_FAIL_COND(tp->pthread == 0);
pthread_join(tp->pthread, NULL);
tp->pthread = 0;
}
void ThreadAndroid::_thread_destroyed(void *value) {
/* The thread is being destroyed, detach it from the Java VM and set the mThreadKey value to NULL as required */
JNIEnv *env = (JNIEnv *)value;
if (env != NULL) {
java_vm->DetachCurrentThread();
pthread_setspecific(jvm_key, NULL);
}
}
pthread_key_t ThreadAndroid::jvm_key;
JavaVM *ThreadAndroid::java_vm = NULL;
void ThreadAndroid::setup_thread() {
if (pthread_getspecific(jvm_key))
return; //already setup
JNIEnv *env;
java_vm->AttachCurrentThread(&env, NULL);
pthread_setspecific(jvm_key, (void *)env);
}
void ThreadAndroid::make_default(JavaVM *p_java_vm) {
java_vm = p_java_vm;
create_func = create_func_jandroid;
get_thread_id_func = get_thread_id_func_jandroid;
wait_to_finish_func = wait_to_finish_func_jandroid;
pthread_key_create(&jvm_key, _thread_destroyed);
setup_thread();
}
JNIEnv *ThreadAndroid::get_env() {
if (!pthread_getspecific(jvm_key)) {
setup_thread();
}
JNIEnv *env = NULL;
int status = java_vm->AttachCurrentThread(&env, NULL);
return env;
}
ThreadAndroid::ThreadAndroid() {
pthread = 0;
}
ThreadAndroid::~ThreadAndroid() {
}
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