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/*
* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/modules/utility/interface/helpers_android.h"
#include <assert.h>
#include <stddef.h>
namespace webrtc {
AttachThreadScoped::AttachThreadScoped(JavaVM* jvm)
: attached_(false), jvm_(jvm), env_(NULL) {
jint ret_val = jvm->GetEnv(reinterpret_cast<void**>(&env_), JNI_VERSION_1_4);
if (ret_val == JNI_EDETACHED) {
// Attach the thread to the Java VM.
ret_val = jvm_->AttachCurrentThread(&env_, NULL);
attached_ = ret_val == JNI_OK;
assert(attached_);
}
}
AttachThreadScoped::~AttachThreadScoped() {
if (attached_ && (jvm_->DetachCurrentThread() < 0)) {
assert(false);
}
}
JNIEnv* AttachThreadScoped::env() { return env_; }
} // namespace webrtc
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