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/* Copyright (c) 2015 Stanislaw Halik <sthalik@misaki.pl>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*/
#pragma once
#include <QDebug>
#include <QStringList>
#if defined _WIN32
#include <windows.h>
#include <tlhelp32.h>
template<typename = void>
static QStringList get_all_executable_names()
{
QStringList ret;
HANDLE h = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
if (h == INVALID_HANDLE_VALUE)
return ret;
PROCESSENTRY32 e;
e.dwSize = sizeof(e);
if (Process32First(h, &e) != TRUE)
{
CloseHandle(h);
return ret;
}
do {
ret.append(e.szExeFile);
} while (Process32Next(h, &e) == TRUE);
CloseHandle(h);
return ret;
}
#elif defined __APPLE__
#include <libproc.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <cerrno>
#include <cstring>
#include <vector>
template<typename = void>
static QStringList get_all_executable_names()
{
QStringList ret;
std::vector<int> vec;
while (true)
{
int numproc = proc_listpids(PROC_ALL_PIDS, 0, nullptr, 0);
if (numproc == -1)
{
qDebug() << "proc_listpids numproc failed" << errno;
return ret;
}
vec.resize(numproc);
int cnt = proc_listpids(PROC_ALL_PIDS, 0, &vec[0], sizeof(int) * numproc);
if (cnt <= numproc)
{
std::vector<char> arglist;
int mib[2] { CTL_KERN, KERN_ARGMAX };
size_t sz = sizeof(int);
int maxarg = 0;
if (sysctl(mib, 2, &maxarg, &sz, NULL, 0) == -1)
{
qDebug() << "sysctl KERN_ARGMAX" << errno;
return ret;
}
arglist.resize(maxarg);
for (int i = 0; i < numproc; i++)
{
size_t maxarg_ = (size_t)maxarg;
int mib[3] { CTL_KERN, KERN_PROCARGS2, vec[i] };
if (sysctl(mib, 3, &arglist[0], &maxarg_, NULL, 0) == -1)
{
//qDebug() << "sysctl KERN_PROCARGS2" << vec[i] << errno;
continue;
}
QStringList cmdline;
for (unsigned j = sizeof(int) + strlen(&arglist[sizeof(int)]); j < maxarg_; j++)
{
QString arg(&arglist[j]);
if (arg.size() != 0)
{
cmdline << arg;
j += arg.size();
}
}
if (cmdline.size() > 0)
{
int idx = cmdline[0].lastIndexOf('/');
if (idx != -1)
{
QString tmp = cmdline[0].mid(idx+1);
if (cmdline.size() > 1 && (tmp == "wine.bin" || tmp == "wine"))
{
idx = cmdline[1].lastIndexOf('/');
if (idx == -1)
idx = cmdline[1].lastIndexOf('\\');
if (idx != -1)
{
ret.append(cmdline[1].mid(idx+1));
}
else
ret.append(cmdline[1]);
}
else
{
ret.append(tmp);
}
}
else
ret.append(cmdline[0]);
}
}
return ret;
}
}
}
#elif defined __linux
#include <proc/readproc.h>
#include <cerrno>
template<typename = void>
static QStringList get_all_executable_names()
{
QStringList ret;
proc_t** procs = readproctab(PROC_FILLCOM);
if (procs == nullptr)
{
qDebug() << "readproctab" << errno;
return ret;
}
for (int i = 0; procs[i]; i++)
{
// note, wine sets argv[0] so no parsing like in OSX case
auto proc = procs[i];
if (proc->cmdline && proc->cmdline[0])
{
QString tmp(proc->cmdline[0]);
const int idx = std::max(tmp.lastIndexOf('\\'), tmp.lastIndexOf('/'));
tmp = tmp.mid(idx == -1 ? 0 : idx+1);
ret.append(tmp);
}
freeproc(procs[i]);
}
free(procs);
return ret;
}
#else
template<typename = void>
static QStringList get_all_executable_names()
{
return QStringList();
}
#endif
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