112004f3db
- Removed OpenBSD stuff from freebsd port - Renamed bsd folder to freebsd since now it contains only freebsd-relevant files. - Changed CMake instructions to account for bsd port changes - modified main source file to account for openbsd port
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
/*
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* Copyright 2012 Matthew McCormick
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* Copyright 2013 Justin Crawford <Justasic@gmail.com>
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* Copyright 2015 Pawel 'l0ner' Soltys
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// Based on: github.com/freebsd/freebsd/blob/master/usr.bin/top/machine.c
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// Based on: Apple.cpp for load_string/mem_string and apple's documentation
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#ifndef BSD_METER_COMMON_H_
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#define BSD_METER_COMMON_H_
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#include <iostream>
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#include <cerrno>
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#include <sys/sysctl.h>
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#include <sys/types.h>
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#define GETSYSCTL(name, var) getsysctl(name, &(var), sizeof(var))
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static inline void getsysctl( const char *name, void *ptr, size_t len )
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{
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size_t nlen = len;
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if( sysctlbyname( name, ptr, &nlen, NULL, 0 ) == -1 )
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{
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std::cerr << "sysctl(" << name << "...) failed: " << strerror( errno )
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<< std::endl;
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exit( 23 );
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}
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if( nlen != len )
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{
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std::cerr << "sysctl(" << name << "...) expected "
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<< static_cast<unsigned long>( len ) << " bytes, got "
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<< static_cast<unsigned long>( nlen ) << " bytes\n";
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//exit( 23 );
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}
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}
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#endif
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