CTitleStateMenu: implemented rebooting into installer

UnleashedRecomp/os/.gitignore

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+![Ww][Ii][Nn]32/

UnleashedRecomp/os/process.cpp

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+#include "process.h"
+#include "process_detail.h"
+
+std::filesystem::path os::process::GetExecutablePath()
+{
+    return detail::GetExecutablePath();
+}
+
+std::filesystem::path os::process::GetWorkingDirectory()
+{
+    return detail::GetWorkingDirectory();
+}
+
+bool os::process::StartProcess(const std::filesystem::path path, const std::vector<std::string> args, std::filesystem::path work)
+{
+    return detail::StartProcess(path, args, work);
+}

UnleashedRecomp/os/process.h

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+#pragma once
+
+namespace os::process
+{
+    std::filesystem::path GetExecutablePath();
+    std::filesystem::path GetWorkingDirectory();
+    bool StartProcess(const std::filesystem::path path, const std::vector<std::string> args, std::filesystem::path work = {});
+}

UnleashedRecomp/os/process_detail.h

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+#pragma once
+
+namespace os::process::detail
+{
+    std::filesystem::path GetExecutablePath();
+    std::filesystem::path GetWorkingDirectory();
+    bool StartProcess(const std::filesystem::path path, const std::vector<std::string> args, std::filesystem::path work = {});
+}

UnleashedRecomp/os/win32/process_win32.cpp

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+#include <os/process_detail.h>
+
+std::filesystem::path os::process::detail::GetExecutablePath()
+{
+    char exePath[MAX_PATH];
+
+    if (!GetModuleFileNameA(nullptr, exePath, MAX_PATH))
+        return std::filesystem::path();
+
+    return std::filesystem::path(exePath);
+}
+
+std::filesystem::path os::process::detail::GetWorkingDirectory()
+{
+    char workPath[MAX_PATH];
+
+    if (!GetCurrentDirectoryA(MAX_PATH, workPath))
+        return std::filesystem::path();
+
+    return std::filesystem::path(workPath);
+}
+
+bool os::process::detail::StartProcess(const std::filesystem::path path, const std::vector<std::string> args, std::filesystem::path work)
+{
+    if (path.empty())
+        return false;
+
+    if (work.empty())
+        work = path.parent_path();
+
+    auto cli = path.string();
+    for (auto& arg : args)
+        cli += " " + arg;
+
+    STARTUPINFOA startInfo{ sizeof(STARTUPINFOA) };
+    PROCESS_INFORMATION procInfo{};
+
+    if (!CreateProcessA(path.string().c_str(), cli.data(), nullptr, nullptr, false, 0, nullptr, work.string().c_str(), &startInfo, &procInfo))
+        return false;
+
+    CloseHandle(procInfo.hProcess);
+    CloseHandle(procInfo.hThread);
+
+    return true;
+}