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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [libtests/] [malloctest/] [task1.c] - Rev 30
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/* 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) 1989-1999. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * $Id: task1.c,v 1.2 2001-09-27 12:02:12 chris Exp $ */ #include "system.h" #include <libcsupport.h> /* for malloc_dump, malloc_walk */ #include <string.h> /* for memset */ #include <stdlib.h> #define NUM_PASSES 100 rtems_task Task_1_through_5( rtems_task_argument argument ) { int i; unsigned int passes = 0; rtems_id tid; rtems_time_of_day time; rtems_status_code status; unsigned char *mem_ptr; int mem_amt; status = rtems_task_ident( RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &tid ); directive_failed( status, "rtems_task_ident" ); while (TRUE) { if ( passes++ > NUM_PASSES ) { puts("*** END OF MALLOC TEST ***"); exit(0); } status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time ); directive_failed( status, "rtems_clock_get" ); put_name( Task_name[ task_number( tid ) ], FALSE ); print_time( " - rtems_clock_get - ", &time, "\n" ); mem_amt = ((int)((float)rand()*1000.0/(float)RAND_MAX)); while (!(mem_ptr = malloc ( mem_amt))) { printf("out of memory... trying again.\n"); mem_amt = ((int)((float)rand()*1000.0/(float)RAND_MAX)); } printf("mallocing %d bytes\n",mem_amt); memset( mem_ptr, mem_amt, mem_amt ); malloc_dump(); malloc_walk(1,FALSE); status = rtems_task_wake_after( task_number( tid ) * 1 * TICKS_PER_SECOND/4 ); for (i=0; i < mem_amt; i++) { if ( mem_ptr[i] != (mem_amt & 0xff)) { printf("failed %d, %d, 0x%x, 0x%x\n",i,mem_amt,mem_ptr[i],mem_amt&0xff); exit(1); } } directive_failed( status, "rtems_task_wake_after" ); free( mem_ptr ); } }
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