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Support for getting memory size on FreeBSD.

This commit is contained in:
Olivier Houchard 2002-05-07 01:50:02 +00:00 committed by Alexandre Julliard
parent 0bd249dd6b
commit f41ecf3782
1 changed files with 42 additions and 10 deletions
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52
memory/global.c
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@ -28,6 +28,9 @@
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#ifdef HAVE_SYS_SYSCTL_H
#include <sys/sysctl.h>
#endif
#include "wine/winbase16.h"
#include "wine/exception.h"
@ -1524,13 +1527,22 @@ VOID WINAPI GlobalMemoryStatus(
#ifdef linux
FILE *f;
#endif
#ifdef __FreeBSD__
int *tmp;
int size_sys;
#endif
if (time(NULL)==cache_lastchecked) {
memcpy(lpmem,&cached_memstatus,sizeof(MEMORYSTATUS));
return;
}
cache_lastchecked = time(NULL);
lpmem->dwMemoryLoad = 0;
lpmem->dwTotalPhys = 16*1024*1024;
lpmem->dwAvailPhys = 16*1024*1024;
lpmem->dwTotalPageFile = 16*1024*1024;
lpmem->dwAvailPageFile = 16*1024*1024;
#ifdef linux
f = fopen( "/proc/meminfo", "r" );
if (f)
@ -1578,16 +1590,36 @@ VOID WINAPI GlobalMemoryStatus(
lpmem->dwMemoryLoad = (TotalPhysical-AvailPhysical)
/ (TotalPhysical / 100);
}
} else
#endif
{
/* FIXME: should do something for other systems */
lpmem->dwMemoryLoad = 0;
lpmem->dwTotalPhys = 16*1024*1024;
lpmem->dwAvailPhys = 16*1024*1024;
lpmem->dwTotalPageFile = 16*1024*1024;
lpmem->dwAvailPageFile = 16*1024*1024;
}
#elif defined(__FreeBSD__)
sysctlbyname("hw.physmem", NULL, &size_sys, NULL, 0);
tmp = malloc(size_sys * sizeof(int));
sysctlbyname("hw.physmem", tmp, &size_sys, NULL, 0);
if (tmp && *tmp)
{
lpmem->dwTotalPhys = *tmp;
free(tmp);
sysctlbyname("hw.usermem", NULL, &size_sys, NULL, 0);
tmp = malloc(size_sys * sizeof(int));
sysctlbyname("hw.usermem", tmp, &size_sys, NULL, 0);
if (tmp && *tmp)
{
lpmem->dwAvailPhys = *tmp;
lpmem->dwTotalPageFile = *tmp;
lpmem->dwAvailPageFile = *tmp;
lpmem->dwMemoryLoad = lpmem->dwTotalPhys - lpmem->dwAvailPhys;
} else
{
lpmem->dwAvailPhys = lpmem->dwTotalPhys;
lpmem->dwTotalPageFile = lpmem->dwTotalPhys;
lpmem->dwAvailPageFile = lpmem->dwTotalPhys;
lpmem->dwMemoryLoad = 0;
}
free(tmp);
}
#endif
/* FIXME: should do something for other systems */
GetSystemInfo(&si);
lpmem->dwTotalVirtual = si.lpMaximumApplicationAddress-si.lpMinimumApplicationAddress;
/* FIXME: we should track down all the already allocated VM pages and substract them, for now arbitrarily remove 64KB so that it matches NT */