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[desktop] Increase rlimit on UNIX/Apple (#4030)

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Sets max open fd limit to 8192 on non-windows platforms (or bounds it to
the system hard limit). Complement to the previous VFS PR.

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4030
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
This commit is contained in:
crueter 2026-05-31 04:13:56 +02:00
parent 0473747f94
commit b7fcec4985
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GPG key ID: 425ACD2D4830EBC6
1 changed files with 18 additions and 3 deletions
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21
src/yuzu/main.cpp
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@ -15,6 +15,10 @@
#include "qt_common/gui_settings.h" #include "qt_common/gui_settings.h"
#endif #endif
#ifndef _WIN32
#include <sys/resource.h>
#endif
#include "main_window.h" #include "main_window.h"
#ifdef _WIN32 #ifdef _WIN32
@ -106,16 +110,27 @@ int main(int argc, char* argv[]) {
QCoreApplication::setOrganizationName(QStringLiteral("eden")); QCoreApplication::setOrganizationName(QStringLiteral("eden"));
QCoreApplication::setApplicationName(QStringLiteral("eden")); QCoreApplication::setApplicationName(QStringLiteral("eden"));
#ifdef _WIN32
// Increases the maximum open file limit. // Increases the maximum open file limit.
// TODO: This should be common to all frontends.
#ifdef _WIN32
// MSVCRT limits this to 2048 for some inexplicable (and likely arcane) reason, // MSVCRT limits this to 2048 for some inexplicable (and likely arcane) reason,
// so we have to account for that as well. // so we have to account for that as well.
#ifdef __MSVCRT__ #ifdef __MSVCRT__
_setmaxstdio(2048); _setmaxstdio(2048);
#else #else
_setmaxstdio(8192); _setmaxstdio(8192);
#endif #endif // __MSVCRT__
#elif defined(__APPLE__) #elif defined(__unix__) || defined(__APPLE__)
// Set the max open file limit to 8192, or the hard limit.
// Most sane systems should not hit the hard limit here.
struct rlimit rl;
if (getrlimit(RLIMIT_NOFILE, &rl) == 0) {
rl.rlim_cur = std::min<rlim_t>(8192, rl.rlim_max);
setrlimit(RLIMIT_NOFILE, &rl);
}
#endif // _WIN32
#if defined(__APPLE__)
// If you start a bundle (binary) on OSX without the Terminal, the working directory is "/". // If you start a bundle (binary) on OSX without the Terminal, the working directory is "/".
// But since we require the working directory to be the executable path for the location of // But since we require the working directory to be the executable path for the location of
// the user folder in the Qt Frontend, we need to cd into that working directory // the user folder in the Qt Frontend, we need to cd into that working directory