diff options
author | codeworkx <daniel.hillenbrand@codeworkx.de> | 2012-05-20 12:00:36 +0200 |
---|---|---|
committer | codeworkx <daniel.hillenbrand@codeworkx.de> | 2012-05-20 12:00:36 +0200 |
commit | 62f02ba4f4b7b561aa15408ebd9951600bdd71aa (patch) | |
tree | ac05dc645945a58edbc26e96df1a78ac16f27706 /exynos5/hal/libhdmi/libhdmiservice/MessageQueue.cpp | |
parent | e54debb12ecdf92d12acab00a261c0c5a6ef1d64 (diff) | |
download | hardware_samsung-62f02ba4f4b7b561aa15408ebd9951600bdd71aa.zip hardware_samsung-62f02ba4f4b7b561aa15408ebd9951600bdd71aa.tar.gz hardware_samsung-62f02ba4f4b7b561aa15408ebd9951600bdd71aa.tar.bz2 |
exynos: reorganized and updated from insignal
Changes needed on exynos4210 devices:
libcsc -> libseccscapi
libswconverter -> remove
TARGET_HAL_PATH := hardware/samsung/exynos4/hal
TARGET_OMX_PATH := hardware/samsung/exynos/multimedia/openmax
$(call inherit-product, hardware/samsung/exynos4210.mk)
Change-Id: Ic59ef95b85ef37b3f38fb36cf6a364a5414685ee
Diffstat (limited to 'exynos5/hal/libhdmi/libhdmiservice/MessageQueue.cpp')
-rw-r--r-- | exynos5/hal/libhdmi/libhdmiservice/MessageQueue.cpp | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/exynos5/hal/libhdmi/libhdmiservice/MessageQueue.cpp b/exynos5/hal/libhdmi/libhdmiservice/MessageQueue.cpp new file mode 100644 index 0000000..fb58ef9 --- /dev/null +++ b/exynos5/hal/libhdmi/libhdmiservice/MessageQueue.cpp @@ -0,0 +1,190 @@ +/* + * 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) { + //LOGD("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 { + //LOGD("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); + + //LOGD("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) ? '>' : ' '; + LOGD("%c %d: msg{.what=%08x, when=%lld}", + tick, c, (*cur)->what, (*cur)->when); + ++cur; + c++; + } +} + +}; // namespace android |