diff options
Diffstat (limited to 'lib/gl/sockets.c')
-rw-r--r-- | lib/gl/sockets.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/lib/gl/sockets.c b/lib/gl/sockets.c deleted file mode 100644 index 113dc17dcb..0000000000 --- a/lib/gl/sockets.c +++ /dev/null @@ -1,118 +0,0 @@ -/* sockets.c --- wrappers for Windows socket functions - - Copyright (C) 2008-2010 Free Software Foundation, Inc. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. */ - -/* Written by Simon Josefsson */ - -#include <config.h> - -/* Specification. */ -#include "sockets.h" - -#if WINDOWS_SOCKETS - -/* This includes winsock2.h on MinGW. */ -# include <sys/socket.h> - -# include "close-hook.h" - -/* Get set_winsock_errno, FD_TO_SOCKET etc. */ -# include "w32sock.h" - -static int -close_fd_maybe_socket (int fd, const struct close_hook *remaining_list) -{ - SOCKET sock; - WSANETWORKEVENTS ev; - - /* Test whether fd refers to a socket. */ - sock = FD_TO_SOCKET (fd); - ev.lNetworkEvents = 0xDEADBEEF; - WSAEnumNetworkEvents (sock, NULL, &ev); - if (ev.lNetworkEvents != 0xDEADBEEF) - { - /* fd refers to a socket. */ - /* FIXME: other applications, like squid, use an undocumented - _free_osfhnd free function. But this is not enough: The 'osfile' - flags for fd also needs to be cleared, but it is hard to access it. - Instead, here we just close twice the file descriptor. */ - if (closesocket (sock)) - { - set_winsock_errno (); - return -1; - } - else - { - /* This call frees the file descriptor and does a - CloseHandle ((HANDLE) _get_osfhandle (fd)), which fails. */ - _close (fd); - return 0; - } - } - else - /* Some other type of file descriptor. */ - return execute_close_hooks (fd, remaining_list); -} - -static struct close_hook close_sockets_hook; - -static int initialized_sockets_version /* = 0 */; - -#endif /* WINDOWS_SOCKETS */ - -int -gl_sockets_startup (int version _GL_UNUSED) -{ -#if WINDOWS_SOCKETS - if (version > initialized_sockets_version) - { - WSADATA data; - int err; - - err = WSAStartup (version, &data); - if (err != 0) - return 1; - - if (data.wVersion < version) - return 2; - - if (initialized_sockets_version == 0) - register_close_hook (close_fd_maybe_socket, &close_sockets_hook); - - initialized_sockets_version = version; - } -#endif - - return 0; -} - -int -gl_sockets_cleanup (void) -{ -#if WINDOWS_SOCKETS - int err; - - initialized_sockets_version = 0; - - unregister_close_hook (&close_sockets_hook); - - err = WSACleanup (); - if (err != 0) - return 1; -#endif - - return 0; -} |