diff options
Diffstat (limited to 'indra/llplugin/llpluginprocessparent.h')
| -rw-r--r-- | indra/llplugin/llpluginprocessparent.h | 65 |
1 files changed, 43 insertions, 22 deletions
diff --git a/indra/llplugin/llpluginprocessparent.h b/indra/llplugin/llpluginprocessparent.h index cc6c513615..32394809ef 100644 --- a/indra/llplugin/llpluginprocessparent.h +++ b/indra/llplugin/llpluginprocessparent.h @@ -3,30 +3,25 @@ * @brief LLPluginProcessParent handles the parent side of the external-process plugin API. * * @cond - * $LicenseInfo:firstyear=2008&license=viewergpl$ - * - * Copyright (c) 2008, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlife.com/developers/opensource/gplv2 + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlife.com/developers/opensource/flossexception + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ * @endcond */ @@ -41,12 +36,14 @@ #include "llpluginsharedmemory.h" #include "lliosocket.h" +#include "llthread.h" class LLPluginProcessParentOwner { public: virtual ~LLPluginProcessParentOwner(); virtual void receivePluginMessage(const LLPluginMessage &message) = 0; + virtual bool receivePluginMessageEarly(const LLPluginMessage &message) {return false;}; // This will only be called when the plugin has died unexpectedly virtual void pluginLaunchFailed() {}; virtual void pluginDied() {}; @@ -74,6 +71,9 @@ public: // returns true if the process has exited or we've had a fatal error bool isDone(void); + // returns true if the process is currently waiting on a blocking request + bool isBlocked(void) { return mBlocked; }; + void killSockets(void); // Go to the proper error state @@ -87,7 +87,9 @@ public: void receiveMessage(const LLPluginMessage &message); // Inherited from LLPluginMessagePipeOwner - void receiveMessageRaw(const std::string &message); + /*virtual*/ void receiveMessageRaw(const std::string &message); + /*virtual*/ void receiveMessageEarly(const LLPluginMessage &message); + /*virtual*/ void setMessagePipe(LLPluginMessagePipe *message_pipe) ; // This adds a memory segment shared with the client, generating a name for the segment. The name generated is guaranteed to be unique on the host. // The caller must call removeSharedMemory first (and wait until getSharedMemorySize returns 0 for the indicated name) before re-adding a segment with the same name. @@ -110,7 +112,11 @@ public: void setLockupTimeout(F32 timeout) { mPluginLockupTimeout = timeout; }; F64 getCPUUsage() { return mCPUUsage; }; - + + static void poll(F64 timeout); + static bool canPollThreadRun() { return (sPollSet || sPollsetNeedsRebuild || sUseReadThread); }; + static void setUseReadThread(bool use_read_thread); + static bool getUseReadThread() { return sUseReadThread; }; private: enum EState @@ -160,12 +166,27 @@ private: bool mDisableTimeout; bool mDebug; + bool mBlocked; + bool mPolledInput; LLProcessLauncher mDebugger; F32 mPluginLaunchTimeout; // Somewhat longer timeout for initial launch. F32 mPluginLockupTimeout; // If we don't receive a heartbeat in this many seconds, we declare the plugin locked up. + static bool sUseReadThread; + apr_pollfd_t mPollFD; + static apr_pollset_t *sPollSet; + static bool sPollsetNeedsRebuild; + static LLMutex *sInstancesMutex; + static std::list<LLPluginProcessParent*> sInstances; + static void dirtyPollSet(); + static void updatePollset(); + void servicePoll(); + static LLThread *sReadThread; + + LLMutex mIncomingQueueMutex; + std::queue<LLPluginMessage> mIncomingQueue; }; #endif // LL_LLPLUGINPROCESSPARENT_H |