diff options
Diffstat (limited to 'indra/llcommon')
| -rw-r--r-- | indra/llcommon/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | indra/llcommon/llapp.cpp | 32 | ||||
| -rw-r--r-- | indra/llcommon/llapp.h | 6 | ||||
| -rw-r--r-- | indra/llcommon/lldictionary.h | 4 | ||||
| -rw-r--r-- | indra/llcommon/llsys.cpp | 20 | ||||
| -rw-r--r-- | indra/llcommon/llsys.h | 3 | ||||
| -rw-r--r-- | indra/llcommon/llthread.cpp | 4 | ||||
| -rw-r--r-- | indra/llcommon/llthreadsafequeue.cpp | 109 | ||||
| -rw-r--r-- | indra/llcommon/llthreadsafequeue.h | 205 |
9 files changed, 383 insertions, 2 deletions
diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt index 7bad780dd8..7d53667f35 100644 --- a/indra/llcommon/CMakeLists.txt +++ b/indra/llcommon/CMakeLists.txt @@ -92,6 +92,7 @@ set(llcommon_SOURCE_FILES llstringtable.cpp llsys.cpp llthread.cpp + llthreadsafequeue.cpp lltimer.cpp lluri.cpp lluuid.cpp @@ -223,6 +224,7 @@ set(llcommon_HEADER_FILES llstringtable.h llsys.h llthread.h + llthreadsafequeue.h lltimer.h lltreeiterators.h lluri.h diff --git a/indra/llcommon/llapp.cpp b/indra/llcommon/llapp.cpp index eebd5ed0a6..39daefd1ad 100644 --- a/indra/llcommon/llapp.cpp +++ b/indra/llcommon/llapp.cpp @@ -90,6 +90,10 @@ S32 LL_HEARTBEAT_SIGNAL = (SIGRTMAX >= 0) ? (SIGRTMAX-0) : SIGUSR2; // the static application instance LLApp* LLApp::sApplication = NULL; +// Allows the generation of core files for post mortem under gdb +// and disables crashlogger +BOOL LLApp::sDisableCrashlogger = FALSE; + // Local flag for whether or not to do logging in signal handlers. //static BOOL LLApp::sLogInSignal = FALSE; @@ -461,11 +465,30 @@ bool LLApp::isQuitting() return (APP_STATUS_QUITTING == sStatus); } +// static bool LLApp::isExiting() { return isQuitting() || isError(); } +void LLApp::disableCrashlogger() +{ + // Disable Breakpad exception handler. + if (mExceptionHandler != 0) + { + delete mExceptionHandler; + mExceptionHandler = 0; + } + + sDisableCrashlogger = TRUE; +} + +// static +bool LLApp::isCrashloggerDisabled() +{ + return (sDisableCrashlogger == TRUE); +} + #if !LL_WINDOWS // static U32 LLApp::getSigChildCount() @@ -799,6 +822,15 @@ void default_unix_signal_handler(int signum, siginfo_t *info, void *) { llwarns << "Signal handler - Flagging error status and waiting for shutdown" << llendl; } + + if (LLApp::isCrashloggerDisabled()) // Don't gracefully handle any signal, crash and core for a gdb post mortem + { + clear_signals(); + llwarns << "Fatal signal received, not handling the crash here, passing back to operating system" << llendl; + raise(signum); + return; + } + // Flag status to ERROR, so thread_error does its work. LLApp::setError(); // Block in the signal handler until somebody says that we're done. diff --git a/indra/llcommon/llapp.h b/indra/llcommon/llapp.h index ee1d696829..a536a06ea5 100644 --- a/indra/llcommon/llapp.h +++ b/indra/llcommon/llapp.h @@ -189,6 +189,11 @@ public: // virtual bool mainLoop() = 0; // Override for the application main loop. Needs to at least gracefully notice the QUITTING state and exit. + // + // Crash logging + // + void disableCrashlogger(); // Let the OS handle the crashes + static bool isCrashloggerDisabled(); // Get the here above set value // // Application status @@ -280,6 +285,7 @@ protected: static void setStatus(EAppStatus status); // Use this to change the application status. static EAppStatus sStatus; // Reflects current application status static BOOL sErrorThreadRunning; // Set while the error thread is running + static BOOL sDisableCrashlogger; // Let the OS handle crashes for us. #if !LL_WINDOWS static LLAtomicU32* sSigChildCount; // Number of SIGCHLDs received. diff --git a/indra/llcommon/lldictionary.h b/indra/llcommon/lldictionary.h index 552a805b70..bc3bc3e74a 100644 --- a/indra/llcommon/lldictionary.h +++ b/indra/llcommon/lldictionary.h @@ -78,7 +78,9 @@ protected: virtual Index notFound() const { // default is to assert - llassert(false); + // don't assert -- makes it impossible to work on mesh-development and viewer-development simultaneously + // -- davep 2010.10.29 + //llassert(false); return Index(-1); } void addEntry(Index index, Entry *entry) diff --git a/indra/llcommon/llsys.cpp b/indra/llcommon/llsys.cpp index 00c94404d4..10cdc7087b 100644 --- a/indra/llcommon/llsys.cpp +++ b/indra/llcommon/llsys.cpp @@ -635,6 +635,26 @@ U32 LLMemoryInfo::getPhysicalMemoryClamped() const } } +//static +void LLMemoryInfo::getAvailableMemoryKB(U32& avail_physical_mem_kb, U32& avail_virtual_mem_kb) +{ +#if LL_WINDOWS + MEMORYSTATUSEX state; + state.dwLength = sizeof(state); + GlobalMemoryStatusEx(&state); + + avail_physical_mem_kb = (U32)(state.ullAvailPhys/1024) ; + avail_virtual_mem_kb = (U32)(state.ullAvailVirtual/1024) ; + +#else + //do not know how to collect available memory info for other systems. + //leave it blank here for now. + + avail_physical_mem_kb = -1 ; + avail_virtual_mem_kb = -1 ; +#endif +} + void LLMemoryInfo::stream(std::ostream& s) const { #if LL_WINDOWS diff --git a/indra/llcommon/llsys.h b/indra/llcommon/llsys.h index 39af74e5c8..41a4f25000 100644 --- a/indra/llcommon/llsys.h +++ b/indra/llcommon/llsys.h @@ -114,6 +114,9 @@ public: ** be returned. */ U32 getPhysicalMemoryClamped() const; ///< Memory size in clamped bytes + + //get the available memory infomation in KiloBytes. + static void getAvailableMemoryKB(U32& avail_physical_mem_kb, U32& avail_virtual_mem_kb); }; diff --git a/indra/llcommon/llthread.cpp b/indra/llcommon/llthread.cpp index d7b7c3699c..2408be74b9 100644 --- a/indra/llcommon/llthread.cpp +++ b/indra/llcommon/llthread.cpp @@ -153,10 +153,12 @@ void LLThread::shutdown() } delete mRunCondition; + mRunCondition = 0; - if (mIsLocalPool) + if (mIsLocalPool && mAPRPoolp) { apr_pool_destroy(mAPRPoolp); + mAPRPoolp = 0; } } diff --git a/indra/llcommon/llthreadsafequeue.cpp b/indra/llcommon/llthreadsafequeue.cpp new file mode 100644 index 0000000000..a7141605ef --- /dev/null +++ b/indra/llcommon/llthreadsafequeue.cpp @@ -0,0 +1,109 @@ +/** + * @file llthread.cpp + * + * $LicenseInfo:firstyear=2004&license=viewerlgpl$ + * Second Life Viewer Source Code + * 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. + * + * 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. + * + * 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 + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "linden_common.h" +#include <apr_pools.h> +#include <apr_queue.h> +#include "llthreadsafequeue.h" + + + +// LLThreadSafeQueueImplementation +//----------------------------------------------------------------------------- + + +LLThreadSafeQueueImplementation::LLThreadSafeQueueImplementation(apr_pool_t * pool, unsigned int capacity): + mOwnsPool(pool == 0), + mPool(pool), + mQueue(0) +{ + if(mOwnsPool) { + apr_status_t status = apr_pool_create(&mPool, 0); + if(status != APR_SUCCESS) throw LLThreadSafeQueueError("failed to allocate pool"); + } else { + ; // No op. + } + + apr_status_t status = apr_queue_create(&mQueue, capacity, mPool); + if(status != APR_SUCCESS) throw LLThreadSafeQueueError("failed to allocate queue"); +} + + +LLThreadSafeQueueImplementation::~LLThreadSafeQueueImplementation() +{ + if(mOwnsPool && (mPool != 0)) apr_pool_destroy(mPool); + if(mQueue != 0) { + if(apr_queue_size(mQueue) != 0) llwarns << + "terminating queue which still contains elements;" << + "memory will be leaked" << LL_ENDL; + apr_queue_term(mQueue); + } +} + + +void LLThreadSafeQueueImplementation::pushFront(void * element) +{ + apr_status_t status = apr_queue_push(mQueue, element); + + if(status == APR_EINTR) { + throw LLThreadSafeQueueInterrupt(); + } else if(status != APR_SUCCESS) { + throw LLThreadSafeQueueError("push failed"); + } else { + ; // Success. + } +} + + +bool LLThreadSafeQueueImplementation::tryPushFront(void * element){ + return apr_queue_trypush(mQueue, element) == APR_SUCCESS; +} + + +void * LLThreadSafeQueueImplementation::popBack(void) +{ + void * element; + apr_status_t status = apr_queue_pop(mQueue, &element); + + if(status == APR_EINTR) { + throw LLThreadSafeQueueInterrupt(); + } else if(status != APR_SUCCESS) { + throw LLThreadSafeQueueError("pop failed"); + } else { + return element; + } +} + + +bool LLThreadSafeQueueImplementation::tryPopBack(void *& element) +{ + return apr_queue_trypop(mQueue, &element) == APR_SUCCESS; +} + + +size_t LLThreadSafeQueueImplementation::size() +{ + return apr_queue_size(mQueue); +} diff --git a/indra/llcommon/llthreadsafequeue.h b/indra/llcommon/llthreadsafequeue.h new file mode 100644 index 0000000000..58cac38769 --- /dev/null +++ b/indra/llcommon/llthreadsafequeue.h @@ -0,0 +1,205 @@ +/** + * @file llthreadsafequeue.h + * @brief Base classes for thread, mutex and condition handling. + * + * $LicenseInfo:firstyear=2004&license=viewerlgpl$ + * Second Life Viewer Source Code + * 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. + * + * 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. + * + * 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 + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef LL_LLTHREADSAFEQUEUE_H +#define LL_LLTHREADSAFEQUEUE_H + + +#include <string> +#include <stdexcept> + + +struct apr_pool_t; // From apr_pools.h +class LLThreadSafeQueueImplementation; // See below. + + +// +// A general queue exception. +// +class LL_COMMON_API LLThreadSafeQueueError: +public std::runtime_error +{ +public: + LLThreadSafeQueueError(std::string const & message): + std::runtime_error(message) + { + ; // No op. + } +}; + + +// +// An exception raised when blocking operations are interrupted. +// +class LL_COMMON_API LLThreadSafeQueueInterrupt: + public LLThreadSafeQueueError +{ +public: + LLThreadSafeQueueInterrupt(void): + LLThreadSafeQueueError("queue operation interrupted") + { + ; // No op. + } +}; + + +struct apr_queue_t; // From apr_queue.h + + +// +// Implementation details. +// +class LL_COMMON_API LLThreadSafeQueueImplementation +{ +public: + LLThreadSafeQueueImplementation(apr_pool_t * pool, unsigned int capacity); + ~LLThreadSafeQueueImplementation(); + void pushFront(void * element); + bool tryPushFront(void * element); + void * popBack(void); + bool tryPopBack(void *& element); + size_t size(); + +private: + bool mOwnsPool; + apr_pool_t * mPool; + apr_queue_t * mQueue; +}; + + +// +// Implements a thread safe FIFO. +// +template<typename ElementT> +class LLThreadSafeQueue +{ +public: + typedef ElementT value_type; + + // If the pool is set to NULL one will be allocated and managed by this + // queue. + LLThreadSafeQueue(apr_pool_t * pool = 0, unsigned int capacity = 1024); + + // Add an element to the front of queue (will block if the queue has + // reached capacity). + // + // This call will raise an interrupt error if the queue is deleted while + // the caller is blocked. + void pushFront(ElementT const & element); + + // Try to add an element to the front ofqueue without blocking. Returns + // true only if the element was actually added. + bool tryPushFront(ElementT const & element); + + // Pop the element at the end of the queue (will block if the queue is + // empty). + // + // This call will raise an interrupt error if the queue is deleted while + // the caller is blocked. + ElementT popBack(void); + + // Pop an element from the end of the queue if there is one available. + // Returns true only if an element was popped. + bool tryPopBack(ElementT & element); + + // Returns the size of the queue. + size_t size(); + +private: + LLThreadSafeQueueImplementation mImplementation; +}; + + + +// LLThreadSafeQueue +//----------------------------------------------------------------------------- + + +template<typename ElementT> +LLThreadSafeQueue<ElementT>::LLThreadSafeQueue(apr_pool_t * pool, unsigned int capacity): + mImplementation(pool, capacity) +{ + ; // No op. +} + + +template<typename ElementT> +void LLThreadSafeQueue<ElementT>::pushFront(ElementT const & element) +{ + ElementT * elementCopy = new ElementT(element); + try { + mImplementation.pushFront(elementCopy); + } catch (LLThreadSafeQueueInterrupt) { + delete elementCopy; + throw; + } +} + + +template<typename ElementT> +bool LLThreadSafeQueue<ElementT>::tryPushFront(ElementT const & element) +{ + ElementT * elementCopy = new ElementT(element); + bool result = mImplementation.tryPushFront(elementCopy); + if(!result) delete elementCopy; + return result; +} + + +template<typename ElementT> +ElementT LLThreadSafeQueue<ElementT>::popBack(void) +{ + ElementT * element = reinterpret_cast<ElementT *> (mImplementation.popBack()); + ElementT result(*element); + delete element; + return result; +} + + +template<typename ElementT> +bool LLThreadSafeQueue<ElementT>::tryPopBack(ElementT & element) +{ + void * storedElement; + bool result = mImplementation.tryPopBack(storedElement); + if(result) { + ElementT * elementPtr = reinterpret_cast<ElementT *>(storedElement); + element = *elementPtr; + delete elementPtr; + } else { + ; // No op. + } + return result; +} + + +template<typename ElementT> +size_t LLThreadSafeQueue<ElementT>::size(void) +{ + return mImplementation.size(); +} + + +#endif |