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/*
*
* Copyright 2015, 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 "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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