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/*
* Copyright (C) 2017 Mentor Graphics Development (Deutschland) GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "util.hpp"
#include <cerrno>
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <unistd.h>
void Poller::add_fd(int fd, std::function<int(int)> handler) {
pfds.emplace_back(pollfd{.fd = fd, .events = POLLIN, .revents = 0});
handlers.emplace_back(std::move(handler));
}
int Poller::check_events() {
int ret = 0;
if ((ret = poll(this->pfds.data(), this->pfds.size(), -1)) != -1 &&
errno != EINTR) {
for (unsigned i = 0; i < pfds.size(); i++) {
if ((pfds[i].revents & POLLIN) != 0) {
if (handlers[i](pfds[i].fd) == -1) {
return -1;
}
pfds[i].revents = 0;
pfds[i].events = POLLIN;
}
}
}
return ret;
}
unique_fd::~unique_fd() {
if (this->fd != -1) {
close(this->fd);
}
}
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