lib/vfs/netutil.c

   1 /*
   2    Network utilities for the Midnight Commander Virtual File System.
   3
   4    Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2005, 2007, 2011
   5    The 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
  33 #include "lib/global.h"
  34
  35 #include "netutil.h"
  36
  37 /*** global variables ****************************************************************************/
  38
  39 volatile sig_atomic_t got_sigpipe = 0;
  40
  41 /*** file scope macro definitions ****************************************************************/
  42
  43 /*** file scope type declarations ****************************************************************/
  44
  45 /*** file scope variables ************************************************************************/
  46
  47 /*** file scope functions ************************************************************************/
  48 /* --------------------------------------------------------------------------------------------- */
  49
  50 static void
  51 sig_pipe (int unused)
  52 {
  53     (void) unused;
  54     got_sigpipe = 1;
  55 }
  56
  57 /* --------------------------------------------------------------------------------------------- */
  58 /*** public functions ****************************************************************************/
  59 /* --------------------------------------------------------------------------------------------- */
  60
  61 void
  62 tcp_init (void)
  63 {
  64     static gboolean initialized = FALSE;
  65     struct sigaction sa;
  66
  67     if (initialized)
  68         return;
  69
  70     got_sigpipe = 0;
  71     sa.sa_handler = sig_pipe;
  72     sa.sa_flags = 0;
  73     sigemptyset (&sa.sa_mask);
  74     sigaction (SIGPIPE, &sa, NULL);
  75
  76     initialized = TRUE;
  77 }
  78
  79 /* --------------------------------------------------------------------------------------------- */