RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-20 18:15:07 +00:00
Code Issues Activity Actions

LibCore: Use Core::System::pipe2 for creating the event loops waking FDs

Browse source
This commit is contained in:
Timothy Flynn 2024-03-12 14:59:17 -04:00 • committed by Tim Flynn
parent 40beebca71
commit a973fe13cb
2 changed files with 5 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

16
Userland/Libraries/LibCore/EventLoopImplementationUnix.cpp
View file

@ -239,15 +239,7 @@ struct ThreadData {
if (wake_pipe_fds[1] != -1)
close(wake_pipe_fds[1]);
#if defined(SOCK_NONBLOCK)
int rc = pipe2(wake_pipe_fds, O_CLOEXEC);
#else
int rc = pipe(wake_pipe_fds);
fcntl(wake_pipe_fds[0], F_SETFD, FD_CLOEXEC);
fcntl(wake_pipe_fds[1], F_SETFD, FD_CLOEXEC);
#endif
VERIFY(rc == 0);
wake_pipe_fds = MUST(Core::System::pipe2(O_CLOEXEC));
// The wake pipe informs us of POSIX signals as well as manual calls to wake()
VERIFY(poll_fds.size() == 0);
@ -264,14 +256,14 @@ struct ThreadData {
// The wake pipe is used to notify another event loop that someone has called wake(), or a signal has been received.
// wake() writes 0i32 into the pipe, signals write the signal number (guaranteed non-zero).
int wake_pipe_fds[2] { -1, -1 };
Array<int, 2> wake_pipe_fds { -1, -1 };
pid_t pid { 0 };
};
}
EventLoopImplementationUnix::EventLoopImplementationUnix()
: m_wake_pipe_fds(&ThreadData::the().wake_pipe_fds)
: m_wake_pipe_fds(ThreadData::the().wake_pipe_fds)
{
}
@ -320,7 +312,7 @@ void EventLoopImplementationUnix::post_event(EventReceiver& receiver, NonnullOwn
void EventLoopImplementationUnix::wake()
{
int wake_event = 0;
MUST(Core::System::write((*m_wake_pipe_fds)[1], { &wake_event, sizeof(wake_event) }));
MUST(Core::System::write(m_wake_pipe_fds[1], { &wake_event, sizeof(wake_event) }));
}
void EventLoopManagerUnix::wait_for_events(EventLoopImplementation::PumpMode mode)