| /* |
| * |
| * 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 */ |