/usr/include/casacore/casa/OS/HostInfoOsf1.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 | //# HostInfo_osf1.h: DEC OSF/1 specific memory, swap, and CPU code.
//# $Id$
/*
** 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.
**
** --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
**
** 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: -lmach -lpset
*
* 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>
*/
#ifndef CASA_HOSTINFOOSF1_H
#define CASA_HOSTINFOOSF1_H
# if defined(HOSTINFO_DO_IMPLEMENT)
//
//--> /usr/include/mach/mach_interface.h:297: <-
//--> previous declaration of `int vm_statistics(long int, struct vm_statistics *)' with C++ linkage <-
//
// so, we hack this by defining _mach to kick <mach/mach_interface.h> out of inclusion,
// and then below we make this extern "C"... likely this is fixed in some version of
// DEC OSF/1 which is newer than what we have...
//
#define _mach
#include <stdio.h>
#include <unistd.h>
#include <mach.h>
#include <mach/mach_types.h>
#include <mach/vm_statistics.h>
#include <mach/host_info.h>
#include <sys/table.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
// <summary>
// HostInfo for OSF1 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 OSF1 specific functions for HostInfo.
// It is selectively included by HostInfo.cc.
// </synopsis>
//
// <group name="HostInfo">
extern "C" kern_return_t host_info(int, int, host_info_t, unsigned int *);
extern "C" int host_self( );
extern "C" int vm_statistics(long, struct vm_statistics *);
/* Log base 2 of 1024 is 10 (2^10 == 1024) */
#define LOG1024 10
/* these are for getting the memory statistics */
/* 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 swap_total;
ptrdiff_t swap_used;
ptrdiff_t swap_free;
ptrdiff_t memory_total;
ptrdiff_t memory_used;
ptrdiff_t memory_free;
int pageshift; /* log base 2 of the pagesize */
};
// </group>
HostMachineInfo::HostMachineInfo( ) : valid(1) {
int i = 0;
int pagesize;
struct tbl_sysinfo sibuf;
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 = getpagesize();
pageshift = 0;
while (pagesize > 1)
{
pageshift++;
pagesize >>= 1;
}
/* we only need the amount of log(2)1024 for our conversion */
pageshift -= LOG1024;
ret = host_info( host_self(), HOST_BASIC_INFO, (host_info_t) &basic_info, &count );
if ( ret != KERN_SUCCESS ) {
valid = 0;
} else {
memory_total = basic_info.memory_size / 1024;
cpus = basic_info.avail_cpus;
}
}
void HostMachineInfo::update_info( ) {
struct tbl_swapinfo swbuf;
vm_statistics_data_t vmstats;
int swappages=0,swapfree=0,i;
/* 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. */
(void) vm_statistics(task_self(),&vmstats);
/* 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_total = pagetok(swappages);
swap_used = pagetok(swappages - swapfree);
swap_free = pagetok(swapfree);
memory_free = pagetok(vmstats.free_count);
memory_used = memory_total - memory_free;
// some memory is left unaccounted for, using the following...
// memory_used = pagetok(vmstats.active_count + vmstats.inactive_count + vmstats.wire_count);
}
# endif
} //# NAMESPACE CASACORE - END
#endif
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