diff options
Diffstat (limited to 'src/core/lib/iomgr/socket_utils_posix.c')
-rw-r--r-- | src/core/lib/iomgr/socket_utils_posix.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/core/lib/iomgr/socket_utils_posix.c b/src/core/lib/iomgr/socket_utils_posix.c new file mode 100644 index 0000000000..b2fa00c5c1 --- /dev/null +++ b/src/core/lib/iomgr/socket_utils_posix.c @@ -0,0 +1,70 @@ +/* + * + * Copyright 2015-2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <grpc/support/port_platform.h> + +#ifdef GPR_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> + +int grpc_accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, + int nonblock, int cloexec) { + int fd, flags; + + fd = accept(sockfd, addr, addrlen); + 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 /* GPR_POSIX_SOCKETUTILS */ |