root/lib/vfs/netutil.c

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DEFINITIONS

This source file includes following definitions.
  1. sig_pipe
  2. tcp_init

   1 /*
   2    Network utilities for the Midnight Commander Virtual File System.
   3 
   4    Copyright (C) 1995-2019
   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
  52 sig_pipe (int unused)
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  53 {
  54     (void) unused;
  55     got_sigpipe = 1;
  56 }
  57 
  58 /* --------------------------------------------------------------------------------------------- */
  59 /*** public functions ****************************************************************************/
  60 /* --------------------------------------------------------------------------------------------- */
  61 
  62 void
  63 tcp_init (void)
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  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 /* --------------------------------------------------------------------------------------------- */

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