mpd/test/run_inotify.cxx
Rosen Penev 97425d56e7
remove gcc_unused
[[maybe_unused]] (introduced in C++17) is standard C++.

https://clang.llvm.org/docs/AttributeReference.html#maybe-unused-unused
says that this is equivalent to the GNU unused attribute.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
2020-03-16 00:08:21 -07:00

67 lines
1.7 KiB
C++

/*
* Copyright 2003-2020 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "ShutdownHandler.hxx"
#include "db/update/InotifySource.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;
static void
my_inotify_callback([[maybe_unused]] int wd, unsigned mask,
const char *name, [[maybe_unused]] void *ctx)
{
printf("mask=0x%x name='%s'\n", mask, name);
}
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];
EventLoop event_loop;
const ShutdownHandler shutdown_handler(event_loop);
InotifySource source(event_loop, my_inotify_callback, nullptr);
source.Add(path, IN_MASK);
event_loop.Run();
return EXIT_SUCCESS;
} catch (...) {
LogError(std::current_exception());
return EXIT_FAILURE;
}