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core: kill process if threads are in a deadlock

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This commit is contained in:
vaxerski 2023-10-10 14:45:54 +01:00
parent ec31e99056
commit 667007fa4e
2 changed files with 11 additions and 2 deletions
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8
src/core/PortalManager.cpp
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@ -11,6 +11,7 @@
#include <sys/poll.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
#include <thread>
@ -242,6 +243,8 @@ void CPortalManager::onGlobalRemoved(void* data, struct wl_registry* registry, u
}
void CPortalManager::init() {
m_iPID = getpid();
try {
m_pConnection = sdbus::createDefaultBusConnection("org.freedesktop.impl.portal.desktop.hyprland");
} catch (std::exception& e) {
@ -517,6 +520,11 @@ void CPortalManager::addTimer(const CTimer& timer) {
void CPortalManager::terminate() {
m_bTerminate = true;
// if we don't exit in 5s, we'll kill by force. Nuclear option. PIDs are not reused in linux until a wrap-around,
// and I doubt anyone will make 4.2M PIDs within 5s.
if (fork() == 0)
execl("/bin/sh", "/bin/sh", "-c", std::format("sleep 5 && kill -9 {}", m_iPID).c_str());
{
m_sEventLoopInternals.shouldProcess = true;
m_sEventLoopInternals.loopSignal.notify_all();

5
src/core/PortalManager.hpp
View file

@ -75,9 +75,10 @@ class CPortalManager {
void terminate();
private:
void startEventLoop();
void startEventLoop();
bool m_bTerminate = false;
bool m_bTerminate = false;
pid_t m_iPID = 0;
struct {
std::condition_variable loopSignal;