yuzu_cmd: raise the open file limit on macOS and Linux

Loose RomFS folders keep thousands of files open through the VFS
cache. macOS shells default to 256, so title 1 stopped loading at
"Too many open files". Raise it to 8192 like the Qt frontend and like
the Windows path here already does.

Assisted-by: Claude (Anthropic)

1 files changed, 11 insertions, 0 deletions

diff --git a/src/yuzu_cmd/yuzu.cpp b/src/yuzu_cmd/yuzu.cpp
index 3d9f50d4e5..70fd9090e3 100644
--- a/src/yuzu_cmd/yuzu.cpp
+++ b/src/yuzu_cmd/yuzu.cpp
@@ -4,6 +4,7 @@
 // SPDX-FileCopyrightText: 2014 Citra Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <algorithm>
 #include <atomic>
 #include <iterator>
 #include <fstream>
@@ -56,6 +57,10 @@
 #include "yuzu_cmd/emu_window/emu_window_sdl3_vk.h"
 #include "yuzu_cmd/nx2_sampler.h"
 
+#if defined(__unix__) || defined(__APPLE__)
+#include <sys/resource.h>
+#endif
+
 #ifdef _WIN32
 // windows.h needs to be included before shellapi.h
 #include <windows.h>
@@ -262,6 +267,12 @@ extern "C" SDL_AppResult SDL_AppInit(void **appstate, int argc, char **argv) {
     // Raise the CRT's open-file limit like the Qt frontend: loose RomFS folders keep thousands of
     // files open through the VFS cache.
     _setmaxstdio(8192);
+#elif defined(__unix__) || defined(__APPLE__)
+    // Same for the open file limit (macOS shells default to 256).
+    if (struct rlimit rl; getrlimit(RLIMIT_NOFILE, &rl) == 0) {
+        rl.rlim_cur = std::min<rlim_t>(8192, rl.rlim_max);
+        setrlimit(RLIMIT_NOFILE, &rl);
+    }
 #endif
 
     Common::Log::Initialize();