144 lines
4.9 KiB
C++
144 lines
4.9 KiB
C++
/*************************************************************************/
|
|
/* thread_jandroid.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2018 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 "core/safe_refcount.h"
|
|
#include "os/memory.h"
|
|
#include "script_language.h"
|
|
|
|
static pthread_key_t _create_thread_id_key() {
|
|
pthread_key_t key;
|
|
pthread_key_create(&key, NULL);
|
|
return key;
|
|
}
|
|
|
|
pthread_key_t ThreadAndroid::thread_id_key = _create_thread_id_key();
|
|
Thread::ID ThreadAndroid::next_thread_id = 0;
|
|
|
|
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 = atomic_increment(&next_thread_id);
|
|
pthread_setspecific(thread_id_key, (void *)t->id);
|
|
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_getspecific(thread_id_key);
|
|
}
|
|
|
|
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() {
|
|
}
|