/* close replacement.
- Copyright (C) 2008 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
/* Specification. */
#include <unistd.h>
-#if GNULIB_SYS_SOCKET
-# define WIN32_LEAN_AND_MEAN
-# include <sys/socket.h>
-#endif
+#include <errno.h>
-#if HAVE__GL_CLOSE_FD_MAYBE_SOCKET
+#include "fd-hook.h"
+#include "msvc-inval.h"
-/* Get set_winsock_errno, FD_TO_SOCKET etc. */
-#include "w32sock.h"
+#undef close
+#if HAVE_MSVC_INVALID_PARAMETER_HANDLER
static int
-_gl_close_fd_maybe_socket (int fd)
+close_nothrow (int fd)
{
- SOCKET sock = FD_TO_SOCKET (fd);
- WSANETWORKEVENTS ev;
+ int result;
- ev.lNetworkEvents = 0xDEADBEEF;
- WSAEnumNetworkEvents (sock, NULL, &ev);
- if (ev.lNetworkEvents != 0xDEADBEEF)
+ TRY_MSVC_INVAL
+ {
+ result = close (fd);
+ }
+ CATCH_MSVC_INVAL
{
- /* 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;
- }
+ result = -1;
+ errno = EBADF;
}
- else
- return _close (fd);
+ DONE_MSVC_INVAL;
+
+ return result;
}
+#else
+# define close_nothrow close
#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);
+#if WINDOWS_SOCKETS
+ int retval = execute_all_close_hooks (close_nothrow, fd);
#else
- int retval = close (fd);
+ int retval = close_nothrow (fd);
#endif
-#ifdef FCHDIR_REPLACEMENT
+#if REPLACE_FCHDIR
if (retval >= 0)
_gl_unregister_fd (fd);
#endif