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about-distro: use sysconf() to calculate RAM

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2021-02-03 09:53:35 +02:00
parent ad6c5d92e5
commit 79d2688c7b
1 changed files with 6 additions and 9 deletions
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15
about-distro/src/Module.cpp
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@ -33,9 +33,7 @@
#include <solid/device.h>
#include <solid/processor.h>
#ifdef Q_OS_LINUX
#include <sys/sysinfo.h>
#endif
#include <unistd.h>
#include <sys/utsname.h>
#include "OSRelease.h"
@ -45,13 +43,12 @@ K_PLUGIN_FACTORY_DECLARATION(KcmAboutDistroFactory);
static qlonglong calculateTotalRam()
{
qlonglong ret = -1;
#ifdef Q_OS_LINUX
struct sysinfo info;
if (sysinfo(&info) == 0)
// manpage "sizes are given as multiples of mem_unit bytes"
ret = info.totalram * info.mem_unit;
#if defined(_SC_PHYS_PAGES) && defined(_SC_PAGESIZE)
ret = sysconf(_SC_PHYS_PAGES);
ret *= sysconf(_SC_PAGESIZE);
ret /= 1.03;
#else
# warning calculateTotalRam() not implemented for this OS
# warning calculateTotalRam() not implemented
#endif
return ret;
}