1 /* 2 Buffer. Very fast reblocking filter speedy writing of tapes. 3 Copyright (C) 1990,1991 Lee McLoughlin 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 1, or (at your option) 8 any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, write to the Free Software 17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18 19 Lee McLoughlin. 20 Dept of Computing, Imperial College, 21 180 Queens Gate, London, SW7 2BZ, UK. 22 23 Email: L.McLoughlin@doc.ic.ac.uk 24 */ 25 26 /* This is a simple module to provide an easier to understand interface to 27 * semaphores */ 28 29 /* Allocate new semaphores */ 30 int new_sems(); 31 32 /* Perform actions on semaphores */ 33 void sem_set(); 34 void lock(); 35 void unlock(); 36 void remove_sems(); 37