1 /*
2 *
3 * Copyright 2015 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19 #include <grpc/support/port_platform.h>
20
21 #include "src/core/lib/iomgr/port.h"
22
23 #ifdef GRPC_POSIX_SOCKETUTILS
24
25 #include "src/core/lib/iomgr/socket_utils_posix.h"
26
27 #include <fcntl.h>
28 #include <sys/socket.h>
29 #include <unistd.h>
30
31 #include <grpc/support/log.h>
32 #include "src/core/lib/iomgr/sockaddr.h"
33
grpc_accept4(int sockfd,grpc_resolved_address * resolved_addr,int nonblock,int cloexec)34 int grpc_accept4(int sockfd, grpc_resolved_address* resolved_addr, int nonblock,
35 int cloexec) {
36 int fd, flags;
37 fd = accept(sockfd, reinterpret_cast<grpc_sockaddr*>(resolved_addr->addr),
38 &resolved_addr->len);
39 if (fd >= 0) {
40 if (nonblock) {
41 flags = fcntl(fd, F_GETFL, 0);
42 if (flags < 0) goto close_and_error;
43 if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) != 0) goto close_and_error;
44 }
45 if (cloexec) {
46 flags = fcntl(fd, F_GETFD, 0);
47 if (flags < 0) goto close_and_error;
48 if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) != 0) goto close_and_error;
49 }
50 }
51 return fd;
52
53 close_and_error:
54 close(fd);
55 return -1;
56 }
57
58 #endif /* GRPC_POSIX_SOCKETUTILS */
59