Ecosystem/xmrig
Ecosystem/xmrig
1
0
Fork 0
mirror of https://github.com/xmrig/xmrig.git synced 2025-02-02 03:06:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge branch 'jsonboss-patch-1' into dev

Browse source
This commit is contained in:
XMRig 2021-04-24 23:22:56 +07:00
commit a403c53543
No known key found for this signature in database
GPG key ID: 446A53638BE94409
1 changed files with 25 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
src/hw/msr/Msr_linux.cpp
View file

@ -29,6 +29,7 @@
#include <cstdio>
#include <dirent.h>
#include <fcntl.h>
#include <fstream>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
@ -48,7 +49,27 @@ static int msr_open(int32_t cpu, int flags)
class MsrPrivate
{
public:
bool available = true;
inline MsrPrivate() : m_available(msr_allow_writes() || msr_modprobe()) {}
inline bool isAvailable() const { return m_available; }
private:
inline bool msr_allow_writes()
{
std::ofstream file("/sys/module/msr/parameters/allow_writes", std::ios::out | std::ios::binary | std::ios::trunc);
if (file.is_open()) {
file << "on";
}
return file.good();
}
inline bool msr_modprobe()
{
return system("/sbin/modprobe msr allow_writes=on > /dev/null 2>&1") == 0;
}
const bool m_available;
};
@ -57,10 +78,8 @@ public:
xmrig::Msr::Msr() : d_ptr(new MsrPrivate())
{
if (system("/sbin/modprobe msr allow_writes=on > /dev/null 2>&1") != 0) {
LOG_WARN("%s " YELLOW_BOLD("msr kernel module is not available"), Msr::tag());
d_ptr->available = false;
if (!isAvailable()) {
LOG_WARN("%s " YELLOW_BOLD("msr kernel module is not available"), tag());
}
}
@ -73,7 +92,7 @@ xmrig::Msr::~Msr()
bool xmrig::Msr::isAvailable() const
{
return d_ptr->available;
return d_ptr->isAvailable();
}