89 lines
1.6 KiB
C++
89 lines
1.6 KiB
C++
#include <algorithm>
|
|
#include <csignal>
|
|
#include <cstdio>
|
|
#include <cstdlib>
|
|
#include <fcntl.h>
|
|
#include <iostream>
|
|
#include <optional>
|
|
#include <print>
|
|
#include <signal.h>
|
|
#include <sys/file.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
|
|
#include <cpptrace/cpptrace.hpp>
|
|
#include <cpptrace/from_current.hpp>
|
|
#include <tinyfiledialogs.h>
|
|
|
|
#include "App.hpp"
|
|
|
|
namespace Waylight {
|
|
|
|
bool signal_running();
|
|
|
|
std::optional<App> g_app {};
|
|
|
|
bool signal_running()
|
|
{
|
|
char const *lock_path = "/tmp/waylight.lock";
|
|
int fd = open(lock_path, O_CREAT | O_RDWR, 0666);
|
|
if (fd == -1)
|
|
return false;
|
|
|
|
if (flock(fd, LOCK_EX | LOCK_NB) == -1) {
|
|
FILE *f = fopen(lock_path, "r");
|
|
if (f) {
|
|
pid_t pid;
|
|
if (fscanf(f, "%d", &pid) == 1)
|
|
kill(pid, SIGUSR1);
|
|
fclose(f);
|
|
}
|
|
close(fd);
|
|
return true;
|
|
}
|
|
|
|
if (ftruncate(fd, 0) == -1) {
|
|
close(fd);
|
|
unlink(lock_path);
|
|
return false;
|
|
}
|
|
|
|
dprintf(fd, "%d\n", getpid());
|
|
return false;
|
|
}
|
|
|
|
} // namespace Waylight
|
|
|
|
auto main() -> int
|
|
{
|
|
if (Waylight::signal_running()) {
|
|
return 0;
|
|
}
|
|
|
|
std::signal(SIGINT, [](int) {
|
|
if (Waylight::g_app)
|
|
Waylight::g_app->stop();
|
|
});
|
|
|
|
CPPTRACE_TRY
|
|
{
|
|
Waylight::g_app.emplace();
|
|
Waylight::g_app->run();
|
|
}
|
|
CPPTRACE_CATCH(std::exception const &e)
|
|
{
|
|
std::string what { e.what() };
|
|
std::ranges::replace(what, '"', '.');
|
|
std::ranges::replace(what, '\'', '.');
|
|
std::ranges::replace(what, '`', '.');
|
|
if (what.empty()) {
|
|
std::println(std::cerr, "Unexpected exception!");
|
|
} else {
|
|
std::println(std::cerr, "Unexpected exception! Error: {}", what);
|
|
}
|
|
cpptrace::from_current_exception().print();
|
|
tinyfd_messageBox(
|
|
"Unexpected exception", what.c_str(), "ok", "error", 1);
|
|
}
|
|
}
|