Function accept

src/remote/inet.cpp:3407–3429

force socket descriptor to have SOCK_CLOEXEC set

// force socket descriptor to have SOCK_CLOEXEC set
SOCKET accept(SOCKET sockfd, struct sockaddr* addr, socklen_t* addrlen)
{
#ifdef WIN_NT
	return ::accept(sockfd, addr, addrlen);
#else
	int fd;
#if defined(HAVE_ACCEPT4) && HAVE_DECL_SOCK_CLOEXEC
	do {
		fd = ::accept4(sockfd, addr, addrlen, SOCK_CLOEXEC);
	} while (fd < 0 && SYSCALL_INTERRUPTED(errno));

	if (fd < 0 && errno == EINVAL)	// probably SOCK_CLOEXEC not accepted
#endif
	{
		do {
			fd = ::accept(sockfd, addr, addrlen);
		} while (fd < 0 && SYSCALL_INTERRUPTED(errno));
	}

	setCloseOnExec(fd);
	return fd;
#endif
}

} // namespace os_utils