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Merge pull request #4408 from lfos/fix-hyprland-ipc-destructor

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Prevent child zombie process from tearing down Hyprland IPC
This commit is contained in:
Alexis Rouillard
2025-10-01 14:21:17 +02:00
committed by GitHub
parent 23220eb541 5a29473080
commit a15565ac48
2 changed files with 6 additions and 0 deletions
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1
include/modules/hyprland/backend.hpp
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@ -42,6 +42,7 @@ class IPC {
util::JsonParser parser_; util::JsonParser parser_;
std::list<std::pair<std::string, EventHandler*>> callbacks_; std::list<std::pair<std::string, EventHandler*>> callbacks_;
int socketfd_; // the hyprland socket file descriptor int socketfd_; // the hyprland socket file descriptor
pid_t socketOwnerPid_;
bool running_ = true; bool running_ = true;
}; };

5
src/modules/hyprland/backend.cpp
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@ -46,9 +46,14 @@ std::filesystem::path IPC::getSocketFolder(const char* instanceSig) {
IPC::IPC() { IPC::IPC() {
// will start IPC and relay events to parseIPC // will start IPC and relay events to parseIPC
ipcThread_ = std::thread([this]() { socketListener(); }); ipcThread_ = std::thread([this]() { socketListener(); });
socketOwnerPid_ = getpid();
} }
IPC::~IPC() { IPC::~IPC() {
// Do no stop Hyprland IPC if a child process (with successful fork() but
// failed exec()) exits.
if (getpid() != socketOwnerPid_) return;
running_ = false; running_ = false;
spdlog::info("Hyprland IPC stopping..."); spdlog::info("Hyprland IPC stopping...");
if (socketfd_ != -1) { if (socketfd_ != -1) {