mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-09-19 14:10:58 +00:00
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
|
/* close replacement.
|
||
|
|
Copyright (C) 2008 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/>. */
|
||
|
|
|
||
|
|
#include <config.h>
|
||
|
|
|
||
|
|
/* Specification. */
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
#if GNULIB_SYS_SOCKET
|
||
|
|
# define WIN32_LEAN_AND_MEAN
|
||
|
|
# include <sys/socket.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if HAVE__GL_CLOSE_FD_MAYBE_SOCKET
|
||
|
|
|
||
|
|
/* Get set_winsock_errno, FD_TO_SOCKET etc. */
|
||
|
|
#include "w32sock.h"
|
||
|
|
|
||
|
|
static int
|
||
|
|
_gl_close_fd_maybe_socket (int fd)
|
||
|
|
{
|
||
|
|
SOCKET sock = FD_TO_SOCKET (fd);
|
||
|
|
WSANETWORKEVENTS ev;
|
||
|
|
|
||
|
|
ev.lNetworkEvents = 0xDEADBEEF;
|
||
|
|
WSAEnumNetworkEvents (sock, NULL, &ev);
|
||
|
|
if (ev.lNetworkEvents != 0xDEADBEEF)
|
||
|
|
{
|
||
|
|
/* 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
|
||
|
|
return _close (fd);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Override close() to call into other gnulib modules. */
|
||
|
|
|
||
|
|
int
|
||
|
|
rpl_close (int fd)
|
||
|
|
#undef close
|
||
|
|
{
|
||
|
|
#if HAVE__GL_CLOSE_FD_MAYBE_SOCKET
|
||
|
|
int retval = _gl_close_fd_maybe_socket (fd);
|
||
|
|
#else
|
||
|
|
int retval = close (fd);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef FCHDIR_REPLACEMENT
|
||
|
|
if (retval >= 0)
|
||
|
|
_gl_unregister_fd (fd);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return retval;
|
||
|
|
}
|