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Implement memory functions for freebsd

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Patch by Alberto Villa
BUGS: 218418

svn path=/trunk/KDE/kdegraphics/okular/; revision=1207422
This commit is contained in:
Albert Astals Cid 2010-12-18 01:07:33 +00:00
parent 12912ec826
commit fab89241b2
1 changed files with 30 additions and 0 deletions
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30
core/document.cpp
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@ -14,6 +14,10 @@
#ifdef Q_OS_WIN
#define _WIN32_WINNT 0x0500
#include <windows.h>
#elif defined(Q_OS_FREEBSD)
#include <sys/types.h>
#include <sys/sysctl.h>
#include <vm/vm_param.h>
#endif
// qt/kde/system includes
@ -248,6 +252,12 @@ qulonglong DocumentPrivate::getTotalMemory()
if ( entry.startsWith( "MemTotal:" ) )
return (cachedValue = (Q_UINT64_C(1024) * entry.section( ' ', -2, -2 ).toULongLong()));
}
#elif defined(Q_OS_FREEBSD)
qulonglong physmem;
int mib[] = {CTL_HW, HW_PHYSMEM};
size_t len = sizeof( physmem );
if ( sysctl( mib, 2, &physmem, &len, NULL, 0 ) == 0 )
return (cachedValue = physmem);
#elif defined(Q_OS_WIN)
MEMORYSTATUSEX stat;
stat.dwLength = sizeof(stat);
@ -294,6 +304,26 @@ qulonglong DocumentPrivate::getFreeMemory()
lastUpdate = QTime::currentTime();
return ( cachedValue = (Q_UINT64_C(1024) * memoryFree) );
#elif defined(Q_OS_FREEBSD)
qulonglong cache, inact, free, psize;
size_t cachelen, inactlen, freelen, psizelen;
cachelen = sizeof( cache );
inactlen = sizeof( inact );
freelen = sizeof( free );
psizelen = sizeof( psize );
// sum up inactive, cached and free memory
if ( sysctlbyname( "vm.stats.vm.v_cache_count", &cache, &cachelen, NULL, 0 ) == 0 &&
sysctlbyname( "vm.stats.vm.v_inactive_count", &inact, &inactlen, NULL, 0 ) == 0 &&
sysctlbyname( "vm.stats.vm.v_free_count", &free, &freelen, NULL, 0 ) == 0 &&
sysctlbyname( "vm.stats.vm.v_page_size", &psize, &psizelen, NULL, 0 ) == 0 )
{
lastUpdate = QTime::currentTime();
return (cachedValue = (cache + inact + free) * psize);
}
else
{
return 0;
}
#elif defined(Q_OS_WIN)
MEMORYSTATUSEX stat;
stat.dwLength = sizeof(stat);