/usr/include/casacore/casa/OS/HostInfoDarwin.h is in casacore-dev 2.2.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 | /*
** This is a greatly MODIFIED version of a "top" machine dependent file.
** The only resemblance it bears to the original is with respect to the
** mechanics of finding various system details. The copyright details
** follow.
**
** This is a modified version of the osf1 version. Initially, I tried
** to use the m_macosx.c version by Andrew S. Townley, but ran into
** problems...
**
** --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
**
** Top users/processes display for Unix
** Version 3
**
** This program may be freely redistributed,
** but this entire comment MUST remain intact.
**
** Copyright (c) 1984, 1989, William LeFebvre, Rice University
** Copyright (c) 1989 - 1994, William LeFebvre, Northwestern University
** Copyright (c) 1994, 1995, William LeFebvre, Argonne National Laboratory
** Copyright (c) 1996, William LeFebvre, Group sys Consulting
** Copyright (c) 2002, Associated Universities Inc.
*/
/*
** LIBS: -lstdc++
**
** AUTHOR: Darrell Schiebel <drs@nrao.edu>
**
** ORIGINAL AUTHOR: Anthony Baxter <anthony@aaii.oz.au>
** ORIGINAL CONTRIBUTORS: David S. Comay <dsc@seismo.css.gov>
** Claus Kalle
** Pat Welch <tpw@physics.orst.edu>
** William LeFebvre <lefebvre@dis.anl.gov>
** Rainer Orth <ro@techfak.uni-bielefeld.de>
**
*/
//# $Id$
#ifndef CASA_HOSTINFODARWIN_H
#define CASA_HOSTINFODARWIN_H
# if defined(HOSTINFO_DO_IMPLEMENT)
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <mach/mach.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
// <summary>
// HostInfo for Darwin machines.
// </summary>
// <use visibility=local>
// <reviewed reviewer="UNKNOWN" date="before2004/08/25" tests="" demos="">
// </reviewed>
// <prerequisite>
// <li> <linkto class=HostInfo>HostInfo</linkto>
// </prerequisite>
// <synopsis>
// This file provides the Linux specific functions for HostInfo.
// It is selectively included by HostInfo.cc.
// </synopsis>
//
// <group name="HostInfo">
/* Log base 2 of 1024 is 10 (2^10 == 1024) */
#define LOG1024 10
/* these are for getting the memory statistics */
static int pageshift; /* log base 2 of the pagesize */
static int pagesize_;
/* define pagetok in terms of pageshift */
#define pagetok(size) ((size) << pageshift)
class HostMachineInfo {
friend class HostInfo;
HostMachineInfo( );
void update_info( );
int valid;
int cpus;
ptrdiff_t memory_total;
ptrdiff_t memory_used;
ptrdiff_t memory_free;
ptrdiff_t swap_total;
ptrdiff_t swap_used;
ptrdiff_t swap_free;
};
// </group>
HostMachineInfo::HostMachineInfo( ) : valid(1) {
int pagesize;
kern_return_t ret;
struct host_basic_info basic_info;
unsigned int count = HOST_BASIC_INFO_COUNT;
/* get the page size with "getpagesize" and calculate pageshift from it */
pagesize_ = pagesize = getpagesize();
pageshift = 0;
while (pagesize > 1)
{
pageshift++;
pagesize >>= 1;
}
/* we only need the amount of log(2)1024 for our conversion */
pageshift -= LOG1024;
#ifdef AIPS_64B
ret = host_info( mach_host_self(), HOST_BASIC_INFO, (host_info64_t) &basic_info, &count );
#else
ret = host_info( mach_host_self(), HOST_BASIC_INFO, (host_info_t) &basic_info, &count );
#endif
if ( ret != KERN_SUCCESS ) {
valid = 0;
} else {
#ifdef AIPS_64B
memory_total = basic_info.max_mem / 1024;
#else
memory_total = basic_info.memory_size / 1024;
#endif
cpus = basic_info.avail_cpus;
}
}
void HostMachineInfo::update_info( ) {
#ifdef AIPS_64B
struct vm_statistics64 vmstats;
#else
struct vm_statistics vmstats;
#endif
kern_return_t kr;
unsigned int count;
/* memory information */
/* this is possibly bogus - we work out total # pages by */
/* adding up the free, active, inactive, wired down, and */
/* zero filled. Anyone who knows a better way, TELL ME! */
/* Change: dont use zero filled. */
count = sizeof(vmstats)/sizeof(integer_t);
#ifdef AIPS_64B
kr = host_statistics64( mach_host_self(), HOST_VM_INFO64, (host_info64_t) &vmstats, &count );
#else
kr = host_statistics( mach_host_self(), HOST_VM_INFO, (host_info_t) &vmstats, &count );
#endif
if ( kr != KERN_SUCCESS ) {
valid = 0;
return;
}
// /* thanks DEC for the table() command. No thanks at all for */
// /* omitting the man page for it from OSF/1 1.2, and failing */
// /* to document SWAPINFO in the 1.3 man page. Lets hear it for */
// /* include files. */
// i=0;
// while(table(TBL_SWAPINFO,i,&swbuf,1,sizeof(struct tbl_swapinfo))>0) {
// swappages += swbuf.size;
// swapfree += swbuf.free;
// i++;
// }
//
// swap_used = pagetok(swappages - swapfree);
// swap_free = pagetok(swapfree);
// swap_total = pagetok(swappages);
memory_used = pagetok(vmstats.active_count + vmstats.wire_count);
memory_free = memory_total - memory_used;
swap_used = pagetok( vmstats.active_count + vmstats.inactive_count + vmstats.wire_count );
swap_free = pagetok( vmstats.free_count );
swap_total = pagetok( vmstats.active_count + vmstats.inactive_count +
vmstats.wire_count + vmstats.free_count );
}
} //# NAMESPACE CASACORE - END
# endif
#endif
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