src/include/netsniff-ng/cursor.h

   1 /* XXX: Coding Style - use the tool indent with the following (Linux kernel
   2  *                     code indents)
   3  *
   4  * indent -nbad -bap -nbc -bbo -hnl -br -brs -c33 -cd33 -ncdb -ce -ci4   \
   5  *        -cli0 -d0 -di1 -nfc1 -i8 -ip0 -l120 -lp -npcs -nprs -npsl -sai \
   6  *        -saf -saw -ncs -nsc -sob -nfca -cp33 -ss -ts8 -il1
   7  *
   8  *
   9  * netsniff-ng
  10  *
  11  * High performance network sniffer for packet inspection
  12  *
  13  * Copyright (C) 2009, 2010  Daniel Borkmann <danborkmann@googlemail.com> and
  14  *                           Emmanuel Roullit <emmanuel.roullit@googlemail.com>
  15  *
  16  * This program is free software; you can redistribute it and/or modify
  17  * it under the terms of the GNU General Public License as published by
  18  * the Free Software Foundation; either version 2 of the License, or (at
  19  * your option) any later version.
  20  *
  21  * This program is distributed in the hope that it will be useful, but
  22  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  23  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  24  * for more details.
  25  *
  26  * You should have received a copy of the GNU General Public License along
  27  * with this program; if not, write to the Free Software Foundation, Inc.,
  28  * 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
  29  *
  30  * Note: Your kernel has to be compiled with CONFIG_PACKET_MMAP=y option in
  31  *       order to use this.
  32  */
  33
  34 /*
  35  * Contains:
  36  *    A simple spinning command line cursor
  37  */
  38
  39 #ifndef _CURSOR_H_
  40 #define _CURSOR_H_
  41
  42 #include <signal.h>
  43
  44 extern volatile sig_atomic_t cursor_prog_intr;
  45
  46 /* Function signatures */
  47
  48 extern void *print_progress_spinner_static(void *msg);
  49 extern void *print_progress_spinner_dynamic(void *msg);
  50 extern void print_progress_spinner_dynamic_trigger(void);
  51
  52 /* Inline stuff */
  53
  54 #define enable_print_progress_spinner()         \
  55         do {                                    \
  56                 cursor_prog_intr = 0;           \
  57         } while (0);
  58
  59 #define disable_print_progress_spinner()        \
  60         do {                                    \
  61                 cursor_prog_intr = 1;           \
  62                 info("\n");                     \
  63                 fflush(stdout);                 \
  64         } while (0);
  65
  66 #endif /* _CURSOR_H_ */