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GH-2412: collect dead processes on linux properly

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Issues were caused by use of `popen()` with no `pclose()` counterpart...
This commit is contained in:
Petr Mrázek 2018-10-31 22:44:23 +01:00
parent aef0ccb1a2
commit d5037d4f79
2 changed files with 61 additions and 40 deletions
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2
api/logic/FileSystem.cpp
View File

@ -294,7 +294,7 @@ QString NormalizePath(QString path)
}
}
QString badFilenameChars = "\"\\/?<>:*|!";
QString badFilenameChars = "\"\\/?<>:*|!+";
QString RemoveInvalidFilenameChars(QString string, QChar replaceWith)
{

101
api/logic/minecraft/launch/PrintInstanceInfo.cpp
View File

@ -19,67 +19,88 @@
#include "PrintInstanceInfo.h"
#include <launch/LaunchTask.h>
void PrintInstanceInfo::executeTask()
{
auto instance = m_parent->instance();
auto lines = instance->verboseDescription(m_session);
#ifdef Q_OS_LINUX
namespace {
void probeProcCpuinfo(QStringList &log)
{
std::ifstream cpuin("/proc/cpuinfo");
for (std::string line; std::getline(cpuin, line);)
{
if (strncmp(line.c_str(), "model name", 10) == 0)
{
QStringList clines = (QStringList() << QString::fromStdString(line.substr(13, std::string::npos)));
logLines(clines, MessageLevel::MultiMC);
log << QString::fromStdString(line.substr(13, std::string::npos));
break;
}
}
}
void runLspci(QStringList &log)
{
// FIXME: fixed size buffers...
char buff[512];
int gpuline = -1;
int cline = 0;
FILE *fp = popen("lspci -k", "r");
if (fp != NULL)
{
while (fgets(buff, 512, fp) != NULL)
{
std::string str(buff);
if (str.length() < 9)
continue;
if (str.substr(8, 3) == "VGA")
{
gpuline = cline;
QStringList glines = (QStringList() << QString::fromStdString(str.substr(35, std::string::npos)));
logLines(glines, MessageLevel::MultiMC);
}
if (gpuline > -1 && gpuline != cline)
{
if (cline - gpuline < 3)
{
QStringList alines = (QStringList() << QString::fromStdString(str.substr(1, std::string::npos)));
logLines(alines, MessageLevel::MultiMC);
}
}
cline++;
}
}
FILE * lspci = popen("lspci -k", "r");
FILE *fp2 = popen("glxinfo", "r");
if (fp2 != NULL)
if (!lspci)
return;
while (fgets(buff, 512, lspci) != NULL)
{
while (fgets(buff, 512, fp2) != NULL)
std::string str(buff);
if (str.length() < 9)
continue;
if (str.substr(8, 3) == "VGA")
{
if (strncmp(buff, "OpenGL version string:", 22) == 0)
gpuline = cline;
log << QString::fromStdString(str.substr(35, std::string::npos));
}
if (gpuline > -1 && gpuline != cline)
{
if (cline - gpuline < 3)
{
QStringList drlines = (QStringList() << QString::fromUtf8(buff));
logLines(drlines, MessageLevel::MultiMC);
break;
log << QString::fromStdString(str.substr(1, std::string::npos));
}
}
cline++;
}
pclose(lspci);
}
void runGlxinfo(QStringList & log)
{
// FIXME: fixed size buffers...
char buff[512];
FILE *glxinfo = popen("glxinfo", "r");
if (!glxinfo)
return;
while (fgets(buff, 512, glxinfo) != NULL)
{
if (strncmp(buff, "OpenGL version string:", 22) == 0)
{
log << QString::fromUtf8(buff);
break;
}
}
pclose(glxinfo);
}
}
#endif
logLines(lines, MessageLevel::MultiMC);
void PrintInstanceInfo::executeTask()
{
auto instance = m_parent->instance();
QStringList log;
#ifdef Q_OS_LINUX
::probeProcCpuinfo(log);
::runLspci(log);
::runGlxinfo(log);
#endif
logLines(log, MessageLevel::MultiMC);
logLines(instance->verboseDescription(m_session), MessageLevel::MultiMC);
emitSucceeded();
}