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OMemu.cpp
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1996-08-12
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// OCL - OS/2 Class Library
// (c) Cubus 1995
// All Rights Reserved
// OMemu.cpp
/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Neither the name Cubus nor the name Team OCL may be used to
* endorse or promote products derived from this software
* without specific prior written permission.
* 3. See OCL.INF for a detailed copyright notice.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
// $Header: W:/Projects/OCL/Source/rcs/OMemu.cpp 1.50 1996/08/11 23:49:22 B.STEIN Release $
#define __OCL_SOURCE__
#define OINCL_OSTRING
#define OINCL_BASE
#include <ocl.hpp>
#include <OMemu.hpp>
#include <OMessage.hpp>
#if defined(__EMX__)
template class OList<gi_process_data_s>;
#endif
OMemu::OMemu()
: memu_library(NULL),
EP_get_general_info(NULL),
EP_get_process_info(NULL)
{
HFILE hf;
ULONG dummy;
if(!DosOpen("OS20MMU$", &hf, &dummy, 0L, FILE_NORMAL, FILE_OPEN,
OPEN_ACCESS_WRITEONLY |
OPEN_SHARE_DENYNONE |
OPEN_FLAGS_FAIL_ON_ERROR, 0L))
{
try
{
memu_library = new ODynamicLib("OS20MEMU");
EP_get_general_info = (PMEMU_GGI) memu_library->queryFn("EP_get_general_info");
EP_get_process_info = (PMEMU_GPI) memu_library->queryFn("EP_get_process_info");
}
catch(OVioException ex)
{
if (memu_library)
delete memu_library;
throw ex;
}
DosClose(hf);
}
else
throw OVioException(OCL::error(77), ERROR_FILE_NOT_FOUND);
}
OMemu::~OMemu()
{
reset();
if (memu_library)
delete memu_library;
}
PSZ OMemu::isOfType() const
{
return("OMemu");
}
BOOL OMemu::querySystem()
{
pos20memu_general_info pgi = NULL;
pgi_process_data_s temp = NULL;
reset();
if (DosAllocMem((PPVOID)&pgi, 0x0000ffffL,
PAG_READ | PAG_WRITE | PAG_COMMIT | OBJ_TILE))
return(FALSE);
pgi->gi_cpids = 0x0000ffffL - sizeof(os20memu_general_info);
if (EP_get_general_info(pgi) == ERROR_FAULT_OCCURRED)
{
DosFreeMem(pgi);
return(FALSE);
}
gi_version = pgi->gi_version;
gi_phys_mem = pgi->gi_phys_mem;
gi_free_mem = pgi->gi_free_mem;
gi_tot_res = pgi->gi_tot_res;
gi_res_sys_mem = pgi->gi_res_sys_mem;
gi_swp_sys_mem = pgi->gi_swp_sys_mem;
gi_swappable_sys_mem = pgi->gi_swappable_sys_mem;
gi_inmem_swp = pgi->gi_inmem_swp;
gi_inmem_dsc = pgi->gi_inmem_dsc;
gi_ondisk_dsc = pgi->gi_ondisk_dsc;
gi_ondisk_swp = pgi->gi_ondisk_swp;
gi_notacc_swp = pgi->gi_notacc_swp;
gi_slock_swp = pgi->gi_slock_swp;
gi_slock_dsc = pgi->gi_slock_dsc;
gi_llock_swp = pgi->gi_llock_swp;
gi_llock_dsc = pgi->gi_llock_dsc;
gi_swapfile_size = pgi->gi_swapfile_size;
gi_swapfile_inuse = pgi->gi_swapfile_inuse;
gi_swapfile_max_inuse = pgi->gi_swapfile_max_inuse;
gi_app_sys_mem_res = pgi->gi_app_sys_mem_res;
gi_app_sys_mem_im = pgi->gi_app_sys_mem_im;
gi_app_sys_mem_od = pgi->gi_app_sys_mem_od;
gi_shr_sys_mem_res = pgi->gi_shr_sys_mem_res;
gi_shr_sys_mem_im = pgi->gi_shr_sys_mem_im;
gi_shr_sys_mem_od = pgi->gi_shr_sys_mem_od;
gi_cshr_im = pgi->gi_cshr_im;
gi_cshr_od = pgi->gi_cshr_od;
gi_cshr_nt = pgi->gi_cshr_nt;
gi_cpids = pgi->gi_cpids;
for(ULONG i = 0; i < gi_cpids; i++) {
temp = new gi_process_data_s;
memcpy((PVOID)temp, (PVOID)&pgi->gi_process_data[i], sizeof(gi_process_data_s));
add(temp); }
DosFreeMem(pgi);
return(TRUE);
}
BOOL OMemu::queryGeneralInfo()
{
os20memu_general_info info;
memset(&info, 0, sizeof(os20memu_general_info));
if (EP_get_general_info(&info) == ERROR_FAULT_OCCURRED)
return(FALSE);
gi_version = info.gi_version;
gi_phys_mem = info.gi_phys_mem;
gi_free_mem = info.gi_free_mem;
gi_tot_res = info.gi_tot_res;
gi_res_sys_mem = info.gi_res_sys_mem;
gi_swp_sys_mem = info.gi_swp_sys_mem;
gi_swappable_sys_mem = info.gi_swappable_sys_mem;
gi_inmem_swp = info.gi_inmem_swp;
gi_inmem_dsc = info.gi_inmem_dsc;
gi_ondisk_dsc = info.gi_ondisk_dsc;
gi_ondisk_swp = info.gi_ondisk_swp;
gi_notacc_swp = info.gi_notacc_swp;
gi_slock_swp = info.gi_slock_swp;
gi_slock_dsc = info.gi_slock_dsc;
gi_llock_swp = info.gi_llock_swp;
gi_llock_dsc = info.gi_llock_dsc;
gi_swapfile_size = info.gi_swapfile_size;
gi_swapfile_inuse = info.gi_swapfile_inuse;
gi_swapfile_max_inuse = info.gi_swapfile_max_inuse;
gi_app_sys_mem_res = info.gi_app_sys_mem_res;
gi_app_sys_mem_im = info.gi_app_sys_mem_im;
gi_app_sys_mem_od = info.gi_app_sys_mem_od;
gi_shr_sys_mem_res = info.gi_shr_sys_mem_res;
gi_shr_sys_mem_im = info.gi_shr_sys_mem_im;
gi_shr_sys_mem_od = info.gi_shr_sys_mem_od;
gi_cshr_im = info.gi_cshr_im;
gi_cshr_od = info.gi_cshr_od;
gi_cshr_nt = info.gi_cshr_nt;
gi_cpids = info.gi_cpids;
return(TRUE);
}
ULONG OMemu::makeKByte(ULONG pages)
{
ULONG bytes = pages * 4096;
if (bytes < 1024)
return(0);
else
return(bytes/1024);
}
// end of source