/* task1.c * * This set of three tasks do some simple task switching for about * 15 seconds and then call a routine to "blow the stack". * * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. * On-Line Applications Research Corporation (OAR). * All rights assigned to U.S. Government, 1994. * * This material may be reproduced by or for the U.S. Government pursuant * to the copyright license under the clause at DFARS 252.227-7013. This * notice must appear in all copies of this file and its derivatives. * * $Id$ */ #include #include #include void b() {} void blow_stack( void ) { volatile unsigned32 *low, *high; b(); /* * Destroy the first and last 16 bytes of our stack... Hope it * does not cause problems :) */ low = _Thread_Executing->Start.Initial_stack.area + HEAP_OVERHEAD; high = _Thread_Executing->Start.Initial_stack.area + _Thread_Executing->Start.Initial_stack.size - 16; low[0] = 0x11111111; low[1] = 0x22222222; low[2] = 0x33333333; low[3] = 0x44444444; high[0] = 0x55555555; high[1] = 0x66666666; high[2] = 0x77777777; high[3] = 0x88888888; }