forked from Imagelibrary/rtems
6f27ba8077
* devnullfatal01/testcase.h, malloc02/init.c, malloc04/init.c, malloctest/init.c, termios03/termios_testdriver_polled.c, termios04/termios_testdriver_intr.c: Remove warnings.
150 lines
3.3 KiB
C
150 lines
3.3 KiB
C
/*
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* COPYRIGHT (c) 1989-2011.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <tmacros.h>
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#include "test_support.h"
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#include <rtems/libcsupport.h>
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#include <rtems/malloc.h>
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#include <errno.h>
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/* configuration information */
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/* At top of file to have access to configuration variables */
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#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
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#define CONFIGURE_MAXIMUM_TASKS 1
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#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
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#define CONFIGURE_INIT
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#include <rtems/confdefs.h>
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/* end of configuration */
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char Malloc_Heap[ 128 ] CPU_STRUCTURE_ALIGNMENT;
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int sbrk_count;
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Heap_Control Heap_Holder;
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Heap_Control TempHeap;
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/* Heap variables we need to peek and poke at */
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extern size_t RTEMS_Malloc_Sbrk_amount;
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size_t offset;
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void * sbrk(ptrdiff_t incr)
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{
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void *p = (void *) -1;
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printf( "sbrk(%td)\n", incr );
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if ( sbrk_count == -1 ) {
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p = (void *) (NULL - 2);
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} else if ( offset + incr < sizeof(Malloc_Heap) ) {
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p = &Malloc_Heap[ offset ];
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offset += incr;
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} else {
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if ( sbrk_count == 0 )
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p = (void *) rtems_task_create;
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sbrk_count++;
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}
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sbrk_count++;
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return p;
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}
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rtems_task Init(
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rtems_task_argument argument
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)
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{
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void *p1, *p2, *p3, *p4;
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Heap_Control *TempHeap;
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sbrk_count = 0;
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offset = 0;
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puts( "\n\n*** TEST MALLOC 04 ***" );
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/* Safe information on real heap */
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TempHeap = malloc_get_heap_pointer();
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Heap_Holder = *TempHeap;
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rtems_malloc_sbrk_helpers = &rtems_malloc_sbrk_helpers_table;
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puts( "Initialize heap with some memory" );
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offset = 64;
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sbrk_count = 0;
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RTEMS_Malloc_Initialize( Malloc_Heap, 64, 64 );
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p1 = malloc(64);
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p2 = malloc(64);
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p3 = malloc(48);
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p4 = malloc(48);
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puts( "Initialize heap with some memory - return address out of heap" );
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RTEMS_Malloc_Initialize( &Malloc_Heap[1], 64, 64 );
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offset = 64;
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sbrk_count = -1;
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p1 = malloc( 127 );
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rtems_test_assert( p1 == (void *) NULL );
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rtems_test_assert( errno == ENOMEM );
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RTEMS_Malloc_Initialize( Malloc_Heap, 64, 64 );
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puts( "Initialize heap with some unaligned memory" );
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offset = 65;
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sbrk_count = 0;
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RTEMS_Malloc_Initialize( &Malloc_Heap[1], 64, 64 );
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p1 = malloc(64);
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p2 = malloc(64);
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p3 = malloc(48);
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puts( "Initialize heap with no memory (sbrk aligned)" );
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offset = 7;
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sbrk_count = 0;
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RTEMS_Malloc_Initialize( NULL, 0, 64 );
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p1 = malloc(64);
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rtems_test_assert( p1 );
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p2 = malloc(64);
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rtems_test_assert( p2 );
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p3 = malloc(48);
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rtems_test_assert( p3 );
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p4 = malloc(48);
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rtems_test_assert( p4 );
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puts( "Initialize heap with no memory (sbrk aligned)" );
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offset = 0;
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sbrk_count = 0;
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RTEMS_Malloc_Initialize( NULL, 0, 64 );
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p1 = malloc(64);
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rtems_test_assert( p1 );
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puts( "Set sbrk amount in heap to 0" );
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offset = 0;
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sbrk_count = 0;
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RTEMS_Malloc_Initialize( NULL, 0, 64 );
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RTEMS_Malloc_Sbrk_amount = 0;
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p4 = malloc(48);
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rtems_test_assert( p4 );
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/* Restore information on real heap */
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malloc_set_heap_pointer( TempHeap );
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rtems_malloc_sbrk_helpers = NULL;
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puts( "*** END OF TEST MALLOC 04 ***" );
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rtems_test_exit(0);
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}
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/* end of file */
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