From 3e5a9e5176f1e58d0e2622708796474d2552d625 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Thu, 30 Jul 2009 18:48:56 +0000 Subject: 2009-07-30 Joel Sherrill * Makefile.am, configure.ac: Add new test for exercising running out of memory while allocating the key pointers. * psxkey02/.cvsignore, psxkey02/Makefile.am, psxkey02/init.c, psxkey02/psxkey02.doc, psxkey02/psxkey02.scn: New files. --- testsuites/psxtests/psxkey02/init.c | 137 ++++++++++++++++++++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100644 testsuites/psxtests/psxkey02/init.c (limited to 'testsuites/psxtests/psxkey02/init.c') diff --git a/testsuites/psxtests/psxkey02/init.c b/testsuites/psxtests/psxkey02/init.c new file mode 100644 index 0000000000..c0b9dc1867 --- /dev/null +++ b/testsuites/psxtests/psxkey02/init.c @@ -0,0 +1,137 @@ +/* + * COPYRIGHT (c) 1989-2009. + * 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.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#include +#include +#include "tmacros.h" +#include "pmacros.h" + +void *POSIX_Init( + void *ignored +) +{ + pthread_key_t key; + int sc; + bool sb; + Heap_Information_block start; + Heap_Information_block info; + size_t to_alloc; + void *alloced; + + puts( "\n\n*** TEST KEY 02 ***" ); + + puts( "Init - rtems_workspace_get_information - OK" ); + sb = rtems_workspace_get_information( &start ); + assert( sb ); + + #if 0 + printf( "Init - workspace free = %d\n", start.Free.largest ); + printf( "Init - workspace free blocks = %d\n", start.Free.number ); + #endif + assert( start.Free.number == 1 ); + to_alloc = start.Free.largest; + + /* find the largest we can actually allocate */ + while ( 1 ) { + sb = rtems_workspace_allocate( to_alloc, &alloced ); + if ( sb ) + break; + to_alloc -= 4; + } + + rtems_workspace_free( alloced ); + + #if 0 + printf( "Init - start with to_alloc of = %d\n", to_alloc ); + #endif + + /* + * Verify heap is still in same shape if we couldn't allocate a task + */ + sb = rtems_workspace_get_information( &info ); + assert( sb ); + assert( info.Free.largest == start.Free.largest ); + assert( info.Free.number == start.Free.number ); + + puts( "Init - pthread_key_create - ENOMEM" ); + while (1) { + + sb = rtems_workspace_allocate( to_alloc, &alloced ); + assert( sb ); + + sc = pthread_key_create( &key, NULL ); + + /* free the memory we snagged, then check the status */ + rtems_workspace_free( alloced ); + + if ( !sc ) + break; + + if ( sc != ENOMEM ) { + printf( "key create returned %s\n", strerror(sc) ); + rtems_test_exit(0); + } + + /* + * Verify heap is still in same shape if we couldn't allocate a task + */ + sb = rtems_workspace_get_information( &info ); + #if 0 + printf( "Init - workspace free/blocks = %d/%d\n", + info.Free.largest, info.Free.number ); + #endif + assert( sb ); + assert( info.Free.largest == start.Free.largest ); + assert( info.Free.number == start.Free.number ); + + to_alloc -= 8; + if ( to_alloc == 0 ) + break; + } + + if ( sc ) + rtems_test_exit(0); + + /* + * Verify heap is still in same shape after we free the task + */ + puts( "Init - pthread_key_delete - OK" ); + sc = pthread_key_delete( key ); + assert( sc == 0 ); + + puts( "Init - verify workspace has same memory" ); + sb = rtems_workspace_get_information( &info ); + #if 0 + printf( "Init - workspace free/blocks = %d/%d\n", + info.Free.largest, info.Free.number ); + #endif + assert( sb ); + assert( info.Free.largest == start.Free.largest ); + assert( info.Free.number == start.Free.number ); + + puts( "*** END OF TEST KEY 02 ***" ); + rtems_test_exit(0); +} + +/* configuration information */ + +#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER +#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER + +#define CONFIGURE_MAXIMUM_POSIX_THREADS 1 +#define CONFIGURE_MAXIMUM_POSIX_KEYS 1 + +#define CONFIGURE_POSIX_INIT_THREAD_TABLE + +#define CONFIGURE_INIT +#include + +/* global variables */ -- cgit v1.2.3