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/*
*
* Copyright 2015 gRPC authors.
*
* 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 "src/core/lib/iomgr/port.h"
#ifdef GRPC_POSIX_SOCKETUTILS
#include "src/core/lib/iomgr/socket_utils_posix.h"
#include <fcntl.h>
#include <sys/socket.h>
#include <unistd.h>
#include <grpc/support/log.h>
#include "src/core/lib/iomgr/sockaddr.h"
int grpc_accept4(int sockfd, grpc_resolved_address *resolved_addr, int nonblock,
int cloexec) {
int fd, flags;
GPR_ASSERT(sizeof(socklen_t) <= sizeof(size_t));
GPR_ASSERT(resolved_addr->len <= (socklen_t)-1);
fd = accept(sockfd, (struct sockaddr *)resolved_addr->addr,
(socklen_t *)&resolved_addr->len);
if (fd >= 0) {
if (nonblock) {
flags = fcntl(fd, F_GETFL, 0);
if (flags < 0) goto close_and_error;
if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) != 0) goto close_and_error;
}
if (cloexec) {
flags = fcntl(fd, F_GETFD, 0);
if (flags < 0) goto close_and_error;
if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) != 0) goto close_and_error;
}
}
return fd;
close_and_error:
close(fd);
return -1;
}
#endif /* GRPC_POSIX_SOCKETUTILS */
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