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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2009-07-30 18:48:56 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2009-07-30 18:48:56 +0000 |
commit | 3e5a9e5176f1e58d0e2622708796474d2552d625 (patch) | |
tree | 82bc03351f5f3b52d741bf28c0eae213b2bf93ef /testsuites/psxtests/psxkey02/init.c | |
parent | Spaces -> tabs. (diff) | |
download | rtems-3e5a9e5176f1e58d0e2622708796474d2552d625.tar.bz2 |
2009-07-30 Joel Sherrill <joel.sherrill@OARcorp.com>
* 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.
Diffstat (limited to 'testsuites/psxtests/psxkey02/init.c')
-rw-r--r-- | testsuites/psxtests/psxkey02/init.c | 137 |
1 files changed, 137 insertions, 0 deletions
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 <pthread.h> +#include <errno.h> +#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 <rtems/confdefs.h> + +/* global variables */ |