Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 6169d5f | 2016-03-31 07:46:18 -0700 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
murgatroid99 | 5407089 | 2016-08-08 17:01:18 -0700 | [diff] [blame] | 34 | #include "src/core/lib/iomgr/port.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 35 | |
murgatroid99 | 623dd4f | 2016-08-08 17:31:27 -0700 | [diff] [blame] | 36 | #ifdef GRPC_POSIX_SOCKETUTILS |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 37 | |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 38 | #include "src/core/lib/iomgr/socket_utils_posix.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 39 | |
| 40 | #include <fcntl.h> |
| 41 | #include <sys/socket.h> |
| 42 | #include <unistd.h> |
| 43 | |
| 44 | #include <grpc/support/log.h> |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 45 | #include "src/core/lib/iomgr/sockaddr.h" |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 46 | |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 47 | int grpc_accept4(int sockfd, grpc_resolved_address *resolved_addr, int nonblock, |
| 48 | int cloexec) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 49 | int fd, flags; |
murgatroid99 | 7871f73 | 2016-09-23 13:49:05 -0700 | [diff] [blame] | 50 | GPR_ASSERT(sizeof(socklen_t) <= sizeof(size_t)); |
| 51 | GPR_ASSERT(resolved_addr->len <= (socklen_t)-1); |
murgatroid99 | dedb923 | 2016-09-26 13:54:04 -0700 | [diff] [blame] | 52 | fd = accept(sockfd, (struct sockaddr *)resolved_addr->addr, |
murgatroid99 | a460192 | 2016-10-12 13:19:40 -0700 | [diff] [blame] | 53 | (socklen_t *)&resolved_addr->len); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 54 | if (fd >= 0) { |
Craig Tiller | ad145bc | 2015-01-21 21:28:27 -0800 | [diff] [blame] | 55 | if (nonblock) { |
| 56 | flags = fcntl(fd, F_GETFL, 0); |
| 57 | if (flags < 0) goto close_and_error; |
| 58 | if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) != 0) goto close_and_error; |
| 59 | } |
| 60 | if (cloexec) { |
| 61 | flags = fcntl(fd, F_GETFD, 0); |
| 62 | if (flags < 0) goto close_and_error; |
| 63 | if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) != 0) goto close_and_error; |
| 64 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 65 | } |
| 66 | return fd; |
Craig Tiller | ad145bc | 2015-01-21 21:28:27 -0800 | [diff] [blame] | 67 | |
| 68 | close_and_error: |
| 69 | close(fd); |
| 70 | return -1; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 71 | } |
| 72 | |
murgatroid99 | 623dd4f | 2016-08-08 17:31:27 -0700 | [diff] [blame] | 73 | #endif /* GRPC_POSIX_SOCKETUTILS */ |