diff options
Diffstat (limited to 'native/android/looper.cpp')
-rw-r--r-- | native/android/looper.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/native/android/looper.cpp b/native/android/looper.cpp new file mode 100644 index 0000000..1564c47 --- /dev/null +++ b/native/android/looper.cpp @@ -0,0 +1,82 @@ +/* + * Copyright (C) 2010 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. + */ + +#define LOG_TAG "ALooper" +#include <utils/Log.h> + +#include <android/looper.h> +#include <utils/PollLoop.h> + +using android::PollLoop; +using android::sp; + +ALooper* ALooper_forThread() { + return PollLoop::getForThread().get(); +} + +ALooper* ALooper_prepare(int32_t opts) { + bool allowFds = (opts&ALOOPER_PREPARE_ALLOW_NON_CALLBACKS) != 0; + sp<PollLoop> loop = PollLoop::getForThread(); + if (loop == NULL) { + loop = new PollLoop(allowFds); + PollLoop::setForThread(loop); + } + if (loop->getAllowNonCallbacks() != allowFds) { + LOGW("ALooper_prepare again with different ALOOPER_PREPARE_ALLOW_NON_CALLBACKS"); + } + return loop.get(); +} + +int32_t ALooper_pollOnce(int timeoutMillis, int* outEvents, void** outData) { + sp<PollLoop> loop = PollLoop::getForThread(); + if (loop == NULL) { + LOGW("ALooper_pollOnce: No looper for this thread!"); + return -1; + } + return loop->pollOnce(timeoutMillis, outEvents, outData); +} + +int32_t ALooper_pollAll(int timeoutMillis, int* outEvents, void** outData) { + sp<PollLoop> loop = PollLoop::getForThread(); + if (loop == NULL) { + LOGW("ALooper_pollOnce: No looper for this thread!"); + return -1; + } + + int32_t result; + while ((result = loop->pollOnce(timeoutMillis, outEvents, outData)) == ALOOPER_POLL_CALLBACK) { + ; + } + + return result; +} + +void ALooper_acquire(ALooper* looper) { + static_cast<PollLoop*>(looper)->incStrong((void*)ALooper_acquire); +} + +void ALooper_release(ALooper* looper) { + static_cast<PollLoop*>(looper)->decStrong((void*)ALooper_acquire); +} + +void ALooper_addFd(ALooper* looper, int fd, int events, + ALooper_callbackFunc* callback, void* data) { + static_cast<PollLoop*>(looper)->setLooperCallback(fd, events, callback, data); +} + +int32_t ALooper_removeFd(ALooper* looper, int fd) { + return static_cast<PollLoop*>(looper)->removeCallback(fd) ? 1 : 0; +} |