memusage.h

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/*
 * Copyright 2009 Savarese Software Research Corporation
 *
 * 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
 *
 *     https://www.savarese.com/software/ApacheLicense-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.
 */

#ifndef __SSRC_WSPR_UTILITY_MEMUSAGE_H
#define __SSRC_WSPR_UTILITY_MEMUSAGE_H

#include <ssrc/wispers-packages.h>
#include <ssrc/wisp/utility/wisp_struct.h>

__BEGIN_NS_SSRC_WSPR_UTILITY

// TODO: Implement for FreeBSD.
#if defined(linux) || defined(__linux) || defined(__linux__)

#define WISPERS_HAVE_GET_MEMUSAGE 1

WISP_STRUCT(memusage,
            ((unsigned int, size))      // total program size
            ((unsigned int, resident))  // resident set size
            ((unsigned int, share))     // shared pages
            ((unsigned int, text))      // text (code)
            ((unsigned int, lib))       // library
            ((unsigned int, data))      // data/stack
            ((unsigned int, dt))        // dirty pages (unused in Linux 2.6)
            ((unsigned int, page_size)));

#elif defined(sun) || defined(__sun) || defined(__sun__)

#define WISPERS_HAVE_GET_MEMUSAGE 1

WISP_STRUCT(memusage,
            ((unsigned int, size))
            ((unsigned int, resident))
            ((unsigned int, heap))
            ((unsigned int, stack)));

#endif

#if defined(WISPERS_HAVE_GET_MEMUSAGE)

bool get_memusage(const unsigned int pid, memusage & usage);

#endif

__END_NS_SSRC_WSPR_UTILITY

#endif