initial broken multi-platform process lister

1 files changed, 105 insertions, 0 deletions

diff --git a/opentrack-compat/process-list.hpp b/opentrack-compat/process-list.hpp
new file mode 100755
index 00000000..a00cbb17
--- /dev/null
+++ b/opentrack-compat/process-list.hpp
@@ -0,0 +1,105 @@
+#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 <cerrno>
+#include <vector>
+
+// link to libproc
+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() << "numproc failed" << errno;
+            break;
+        }
+        vec.resize(numproc);
+        int cnt = proc_listpids(PROC_ALL_PIDS, 0, &vec[0], sizeof(int) * numproc);
+        if (cnt <= numproc)
+        {
+            char name[2 * 2 * MAXCOMLEN + 1];
+            for (int i = 0; i < cnt; i++)
+            {
+                int ret = proc_name(vec[i], name, sizeof(name)-1);
+                if (ret <= 0)
+                    continue;
+                name[ret] = '\0';
+                ret.append(name);
+            }
+            return ret;
+        }
+    }
+}
+
+#elif defined __linux
+
+// link to procps
+#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++)
+    {
+        auto& proc = *procs[i];
+        ret.append(proc.cmd);
+    }
+    freeproctab(procs);
+    return ret;
+}
+
+#else
+template<typename = void>
+static QStringList get_all_executable_names()
+{
+    return QStringList();
+}
+#endif