mpd/test/run_inotify.cxx
2023-03-06 14:59:48 +01:00

64 lines
1.3 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#include "ShutdownHandler.hxx"
#include "event/InotifyEvent.hxx"
#include "event/Loop.hxx"
#include "Log.hxx"
#include <exception>
#include <sys/inotify.h>
static constexpr unsigned IN_MASK =
#ifdef IN_ONLYDIR
IN_ONLYDIR|
#endif
IN_ATTRIB|IN_CLOSE_WRITE|IN_CREATE|IN_DELETE|IN_DELETE_SELF
|IN_MOVE|IN_MOVE_SELF;
struct Instance final : InotifyHandler {
EventLoop event_loop;
const ShutdownHandler shutdown_handler{event_loop};
InotifyEvent inotify_event{event_loop, *this};
std::exception_ptr error;
/* virtual methods from class InotifyHandler */
void OnInotify(int, unsigned mask, const char *name) override {
printf("mask=0x%x name='%s'\n", mask, name);
}
void OnInotifyError(std::exception_ptr _error) noexcept override {
error = std::move(_error);
event_loop.Break();
}
};
int main(int argc, char **argv)
try {
const char *path;
if (argc != 2) {
fprintf(stderr, "Usage: run_inotify PATH\n");
return EXIT_FAILURE;
}
path = argv[1];
Instance instance;
instance.inotify_event.AddWatch(path, IN_MASK);
instance.event_loop.Run();
if (instance.error)
std::rethrow_exception(instance.error);
return EXIT_SUCCESS;
} catch (...) {
LogError(std::current_exception());
return EXIT_FAILURE;
}