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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/message_loop/io_watcher.h"
#include <memory>
#include "base/check.h"
#include "base/no_destructor.h"
#include "base/task/current_thread.h"
#include "build/build_config.h"
namespace base {
IOWatcher::IOWatcher() = default;
IOWatcher* IOWatcher::Get() {
if (!CurrentThread::IsSet()) {
return nullptr;
}
return CurrentThread::Get()->GetIOWatcher();
}
#if !BUILDFLAG(IS_NACL)
#if BUILDFLAG(IS_WIN)
bool IOWatcher::RegisterIOHandler(HANDLE file,
MessagePumpForIO::IOHandler* handler) {
return RegisterIOHandlerImpl(file, handler);
}
bool IOWatcher::RegisterJobObject(HANDLE job,
MessagePumpForIO::IOHandler* handler) {
return RegisterJobObjectImpl(job, handler);
}
#elif BUILDFLAG(IS_POSIX)
std::unique_ptr<IOWatcher::FdWatch> IOWatcher::WatchFileDescriptor(
int fd,
FdWatchDuration duration,
FdWatchMode mode,
FdWatcher& fd_watcher,
const Location& location) {
return WatchFileDescriptorImpl(fd, duration, mode, fd_watcher, location);
}
#endif
#if BUILDFLAG(IS_MAC) || \
(BUILDFLAG(IS_IOS) && !BUILDFLAG(CRONET_BUILD) && !BUILDFLAG(IS_IOS_TVOS))
bool IOWatcher::WatchMachReceivePort(
mach_port_t port,
MessagePumpForIO::MachPortWatchController* controller,
MessagePumpForIO::MachPortWatcher* delegate) {
return WatchMachReceivePortImpl(port, controller, delegate);
}
#elif BUILDFLAG(IS_FUCHSIA)
bool IOWatcher::WatchZxHandle(
zx_handle_t handle,
bool persistent,
zx_signals_t signals,
MessagePumpForIO::ZxHandleWatchController* controller,
MessagePumpForIO::ZxHandleWatcher* delegate) {
return WatchZxHandleImpl(handle, persistent, signals, controller, delegate);
}
#endif
#endif // !BUILDFLAG(IS_NACL)
} // namespace base
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