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Diffstat (limited to 'TVOutDummy/MessageQueue.cpp')
-rw-r--r-- | TVOutDummy/MessageQueue.cpp | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/TVOutDummy/MessageQueue.cpp b/TVOutDummy/MessageQueue.cpp deleted file mode 100644 index 9441019..0000000 --- a/TVOutDummy/MessageQueue.cpp +++ /dev/null @@ -1,197 +0,0 @@ -/* - * Copyright (C) 2009 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. - */ - -#include <stdint.h> -#include <errno.h> -#include <sys/types.h> - -#include <utils/threads.h> -#include <utils/Timers.h> -#include <utils/Log.h> -#include <binder/IPCThreadState.h> - -#include "MessageQueue.h" - -namespace android { - -// --------------------------------------------------------------------------- - -void MessageList::insert(const sp<MessageBase>& node) -{ - LIST::iterator cur(mList.begin()); - LIST::iterator end(mList.end()); - while (cur != end) { - if (*node < **cur) { - mList.insert(cur, node); - return; - } - ++cur; - } - mList.insert(++end, node); -} - -void MessageList::remove(MessageList::LIST::iterator pos) -{ - mList.erase(pos); -} - -// --------------------------------------------------------------------------- - -MessageQueue::MessageQueue() - : mInvalidate(false) -{ - mInvalidateMessage = new MessageBase(INVALIDATE); -} - -MessageQueue::~MessageQueue() -{ -} - -sp<MessageBase> MessageQueue::waitMessage(nsecs_t timeout) -{ - sp<MessageBase> result; - - bool again; - do { - const nsecs_t timeoutTime = systemTime() + timeout; - while (true) { - Mutex::Autolock _l(mLock); - nsecs_t now = systemTime(); - nsecs_t nextEventTime = -1; - - LIST::iterator cur(mMessages.begin()); - if (cur != mMessages.end()) { - result = *cur; - } - - if (result != 0) { - if (result->when <= now) { - // there is a message to deliver - mMessages.remove(cur); - break; - } - nextEventTime = result->when; - result = 0; - } - - // see if we have an invalidate message - if (mInvalidate) { - mInvalidate = false; - mInvalidateMessage->when = now; - result = mInvalidateMessage; - break; - } - - if (timeout >= 0) { - if (timeoutTime < now) { - // we timed-out, return a NULL message - result = 0; - break; - } - if (nextEventTime > 0) { - if (nextEventTime > timeoutTime) { - nextEventTime = timeoutTime; - } - } else { - nextEventTime = timeoutTime; - } - } - - if (nextEventTime >= 0) { - //ALOGD("nextEventTime = %lld ms", nextEventTime); - if (nextEventTime > 0) { - // we're about to wait, flush the binder command buffer - IPCThreadState::self()->flushCommands(); - const nsecs_t reltime = nextEventTime - systemTime(); - if (reltime > 0) { - mCondition.waitRelative(mLock, reltime); - } - } - } else { - //ALOGD("going to wait"); - // we're about to wait, flush the binder command buffer - IPCThreadState::self()->flushCommands(); - mCondition.wait(mLock); - } - } - // here we're not holding the lock anymore - - if (result == 0) - break; - - again = result->handler(); - if (again) { - // the message has been processed. release our reference to it - // without holding the lock. - result->notify(); - result = 0; - } - - } while (again); - - return result; -} - -status_t MessageQueue::postMessage( - const sp<MessageBase>& message, nsecs_t relTime, uint32_t flags) -{ - return queueMessage(message, relTime, flags); -} - -status_t MessageQueue::invalidate() { - Mutex::Autolock _l(mLock); - mInvalidate = true; - mCondition.signal(); - return NO_ERROR; -} - -status_t MessageQueue::queueMessage( - const sp<MessageBase>& message, nsecs_t relTime, uint32_t flags) -{ - Mutex::Autolock _l(mLock); - message->when = systemTime() + relTime; - mMessages.insert(message); - - //ALOGD("MessageQueue::queueMessage time = %lld ms", message->when); - //dumpLocked(message); - - mCondition.signal(); - return NO_ERROR; -} - -void MessageQueue::dump(const sp<MessageBase>& message) -{ - Mutex::Autolock _l(mLock); - dumpLocked(message); -} - -void MessageQueue::dumpLocked(const sp<MessageBase>& message) -{ - LIST::const_iterator cur(mMessages.begin()); - LIST::const_iterator end(mMessages.end()); - int c = 0; - while (cur != end) { - const char tick = (*cur == message) ? '>' : ' '; - ALOGD("%c %d: msg{.what=%08x, when=%lld}", - tick, c, (*cur)->what, (*cur)->when); - ++cur; - c++; - } -} - -// --------------------------------------------------------------------------- - -}; // namespace android |