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Diffstat (limited to 'indra/llcommon/llprocinfo.h')
-rw-r--r-- | indra/llcommon/llprocinfo.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/indra/llcommon/llprocinfo.h b/indra/llcommon/llprocinfo.h new file mode 100644 index 0000000000..e78bcf490a --- /dev/null +++ b/indra/llcommon/llprocinfo.h @@ -0,0 +1,68 @@ +/** +* @file llprocinfo.h +* @brief Interface to process/cpu/resource information services. +* @author monty@lindenlab.com +* +* $LicenseInfo:firstyear=2013&license=viewerlgpl$ +* Second Life Viewer Source Code +* Copyright (C) 2013, 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_PROCINFO_H +#define LL_PROCINFO_H + + +#include "linden_common.h" + +/// @file llprocinfo.h +/// +/// Right now, this is really a namespace disguised as a class. +/// It wraps some types and functions to return information about +/// process resource consumption in a non-OS-specific manner. +/// +/// Threading: No instances so that's thread-safe. Implementations +/// of static functions should be thread-safe, they mostly involve +/// direct syscall invocations. +/// +/// Allocation: Not instantiatable. + +class LL_COMMON_API LLProcInfo +{ +public: + /// Public types + + typedef U64 time_type; /// Relative microseconds + +private: + LLProcInfo(); // Not defined + ~LLProcInfo(); // Not defined + LLProcInfo(const LLProcInfo &); // Not defined + void operator=(const LLProcInfo &); // Not defined + +public: + /// Get accumulated system and user CPU time in + /// microseconds. Syscalls involved in every invocation. + /// + /// Threading: expected to be safe. + static void getCPUUsage(time_type & user_time, time_type & system_time); +}; + + +#endif // LL_PROCINFO_H |