electron/common/node_bindings_mac.cc

60 lines
1.4 KiB
C++

// Copyright (c) 2013 GitHub, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "common/node_bindings_mac.h"
#include <errno.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <sys/types.h>
#include "vendor/node/src/node.h"
#include "vendor/node/src/node_internals.h"
namespace atom {
NodeBindingsMac::NodeBindingsMac(bool is_browser)
: NodeBindings(is_browser),
kqueue_(kqueue()) {
// Add uv's backend fd to kqueue.
struct kevent ev;
EV_SET(&ev, uv_backend_fd(uv_loop_), EVFILT_READ, EV_ADD | EV_ENABLE,
0, 0, 0);
kevent(kqueue_, &ev, 1, NULL, 0, NULL);
}
NodeBindingsMac::~NodeBindingsMac() {
}
void NodeBindingsMac::PollEvents() {
struct timespec spec;
int timeout = uv_backend_timeout(uv_loop_);
if (timeout != -1) {
spec.tv_sec = timeout / 1000;
spec.tv_nsec = (timeout % 1000) * 1000000;
}
// Wait for new libuv events.
int r;
do {
struct kevent ev;
r = ::kevent(kqueue_, NULL, 0, &ev, 1,
timeout == -1 ? NULL : &spec);
} while (r == -1 && errno == EINTR);
// Deal with event in main thread.
WakeupMainThread();
}
// static
NodeBindings* NodeBindings::CreateInBrowser() {
return new NodeBindingsMac(true);
}
// static
NodeBindings* NodeBindings::CreateInRenderer() {
return new NodeBindingsMac(false);
}
} // namespace atom