64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/*
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* Copyright (C) 2018 Haiku, inc
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "CurrentProcessMemoryStatus.h"
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#include <OS.h>
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namespace WTF {
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void currentProcessMemoryStatus(ProcessMemoryStatus& memoryStatus)
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{
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memoryStatus.size = 0;
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memoryStatus.resident = 0;
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memoryStatus.shared = 0;
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memoryStatus.text = 0;
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memoryStatus.data = 0;
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area_info area;
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ssize_t cookie = 0;
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while(get_next_area_info(0, &cookie, &area) == B_OK) {
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memoryStatus.size += area.size;
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// FIXME check the actual meaning of the flags
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if (area.lock & (B_LAZY_LOCK | B_FULL_LOCK))
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memoryStatus.resident += area.size;
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if (area.copy_count > 0)
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memoryStatus.shared += area.size;
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if (area.protection & B_EXECUTE_AREA)
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memoryStatus.text += area.size;
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else
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memoryStatus.data += area.size;
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}
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memoryStatus.lib = memoryStatus.size;
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memoryStatus.dt = memoryStatus.size;
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}
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} // namespace WTF
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