root/lib/vfs/netutil.c

/*   */

DEFINITIONS

1. sig_pipe
2. tcp_init

   1 /*
   2    Network utilities for the Midnight Commander Virtual File System.
   3 
   4    Copyright (C) 1995-2025
   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 <https://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 #include "lib/util.h"
  36 
  37 #include "netutil.h"
  38 
  39 /*** global variables ****************************************************************************/
  40 
  41 SIG_ATOMIC_VOLATILE_T got_sigpipe = 0;
  42 
  43 /*** file scope macro definitions ****************************************************************/
  44 
  45 /*** file scope type declarations ****************************************************************/
  46 
  47 /*** forward declarations (file scope functions) *************************************************/
  48 
  49 /*** file scope variables ************************************************************************/
  50 
  51 /* --------------------------------------------------------------------------------------------- */
  52 /*** file scope functions ************************************************************************/
  53 /* --------------------------------------------------------------------------------------------- */
  54 
  55 static void
  56 sig_pipe (int unused)
     /*   */
  57 {
  58     (void) unused;
  59     got_sigpipe = 1;
  60 }
  61 
  62 /* --------------------------------------------------------------------------------------------- */
  63 /*** public functions ****************************************************************************/
  64 /* --------------------------------------------------------------------------------------------- */
  65 
  66 void
  67 tcp_init (void)
     /*   */
  68 {
  69     static gboolean initialized = FALSE;
  70     struct sigaction sa;
  71 
  72     if (initialized)
  73         return;
  74 
  75     got_sigpipe = 0;
  76     memset (&sa, 0, sizeof (sa));
  77     sa.sa_handler = sig_pipe;
  78     sigemptyset (&sa.sa_mask);
  79     my_sigaction (SIGPIPE, &sa, NULL);
  80 
  81     initialized = TRUE;
  82 }
  83 
  84 /* --------------------------------------------------------------------------------------------- */

/*   */