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Imported Upstream version 1.4.16+git20130902

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This commit is contained in:
Jan Wagner 2013-11-26 23:59:47 +01:00
parent e76be63abf
commit e70fb8c051
517 changed files with 44015 additions and 43295 deletions
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50
gl/sockets.c
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@ -1,6 +1,6 @@
/* sockets.c --- wrappers for Windows socket functions
Copyright (C) 2008-2010 Free Software Foundation, Inc.
Copyright (C) 2008-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -27,14 +27,21 @@
/* This includes winsock2.h on MinGW. */
# include <sys/socket.h>
# include "close-hook.h"
# include "fd-hook.h"
# include "msvc-nothrow.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)
close_fd_maybe_socket (const struct fd_hook *remaining_list,
gl_close_fn primary,
int fd)
{
/* Note about multithread-safety: There is a race condition where, between
our calls to closesocket() and the primary close(), some other thread
could make system calls that allocate precisely the same HANDLE value
as sock; then the primary close() would call CloseHandle() on it. */
SOCKET sock;
WSANETWORKEVENTS ev;
@ -64,10 +71,38 @@ close_fd_maybe_socket (int fd, const struct close_hook *remaining_list)
}
else
/* Some other type of file descriptor. */
return execute_close_hooks (fd, remaining_list);
return execute_close_hooks (remaining_list, primary, fd);
}
static struct close_hook close_sockets_hook;
static int
ioctl_fd_maybe_socket (const struct fd_hook *remaining_list,
gl_ioctl_fn primary,
int fd, int request, void *arg)
{
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. */
if (ioctlsocket (sock, request, arg) < 0)
{
set_winsock_errno ();
return -1;
}
else
return 0;
}
else
/* Some other type of file descriptor. */
return execute_ioctl_hooks (remaining_list, primary, fd, request, arg);
}
static struct fd_hook fd_sockets_hook;
static int initialized_sockets_version /* = 0 */;
@ -90,7 +125,8 @@ gl_sockets_startup (int version _GL_UNUSED)
return 2;
if (initialized_sockets_version == 0)
register_close_hook (close_fd_maybe_socket, &close_sockets_hook);
register_fd_hook (close_fd_maybe_socket, ioctl_fd_maybe_socket,
&fd_sockets_hook);
initialized_sockets_version = version;
}
@ -107,7 +143,7 @@ gl_sockets_cleanup (void)
initialized_sockets_version = 0;
unregister_close_hook (&close_sockets_hook);
unregister_fd_hook (&fd_sockets_hook);
err = WSACleanup ();
if (err != 0)