1 /*
2 Network utilities for the Midnight Commander Virtual File System.
3
4 Copyright (C) 1995-2021
5 Free Software Foundation, Inc.
6
7 This file is part of the Midnight Commander.
8
9 The Midnight Commander is free software: you can redistribute it
10 and/or modify it under the terms of the GNU General Public License as
11 published by the Free Software Foundation, either version 3 of the License,
12 or (at your option) any later version.
13
14 The Midnight Commander is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 */
22
23 /**
24 * \file
25 * \brief Source: Virtual File System: Network utilities
26 */
27
28 #include <config.h>
29
30 #include <stdlib.h>
31 #include <signal.h>
32 #include <string.h> /* memset() */
33
34 #include "lib/global.h"
35
36 #include "netutil.h"
37
38 /*** global variables ****************************************************************************/
39
40 SIG_ATOMIC_VOLATILE_T got_sigpipe = 0;
41
42 /*** file scope macro definitions ****************************************************************/
43
44 /*** file scope type declarations ****************************************************************/
45
46 /*** file scope variables ************************************************************************/
47
48 /*** file scope functions ************************************************************************/
49 /* --------------------------------------------------------------------------------------------- */
50
51 static void
sig_pipe(int unused)52 sig_pipe (int unused)
53 {
54 (void) unused;
55 got_sigpipe = 1;
56 }
57
58 /* --------------------------------------------------------------------------------------------- */
59 /*** public functions ****************************************************************************/
60 /* --------------------------------------------------------------------------------------------- */
61
62 void
tcp_init(void)63 tcp_init (void)
64 {
65 static gboolean initialized = FALSE;
66 struct sigaction sa;
67
68 if (initialized)
69 return;
70
71 got_sigpipe = 0;
72 memset (&sa, 0, sizeof (sa));
73 sa.sa_handler = sig_pipe;
74 sigemptyset (&sa.sa_mask);
75 sigaction (SIGPIPE, &sa, NULL);
76
77 initialized = TRUE;
78 }
79
80 /* --------------------------------------------------------------------------------------------- */
81