2008-01-23 Joel Sherrill <joel.sherrill@OARcorp.com>

Add sp42 to exercise thread queue with knowledge of the implementation
	so we can exercise all of the normal paths possible.
	* Makefile.am, configure.ac: Add sp42.
	* sp42/.cvsignore, sp42/init.c, sp42/sp42.scn: New files.

testsuites/sptests/ChangeLog

@@ -1,3 +1,10 @@
+2008-01-23	Joel Sherrill <joel.sherrill@OARcorp.com>
+
+	Add sp42 to exercise thread queue with knowledge of the implementation
+	so we can exercise all of the normal paths possible.
+	* Makefile.am, configure.ac: Add sp42.
+	* sp42/.cvsignore, sp42/init.c, sp42/sp42.scn: New files.
+
 2008-01-23	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* sp39/init.c: Add case for long timeout on blocking operation.

testsuites/sptests/Makefile.am

@@ -7,7 +7,7 @@ ACLOCAL_AMFLAGS = -I ../aclocal
 ## spfatal is not included for now
 SUBDIRS = sp01 sp02 sp03 sp04 sp05 sp06 sp07 sp08 sp09 sp11 sp12 sp13 sp14 \
     sp15 sp16 sp17 sp19 sp20 sp21 sp22 sp23 sp24 sp25 sp26 sp27 sp28 sp29 \
-    sp30 sp31 sp32 sp33 sp34 sp35 sp37 sp38 sp39 sp40 sp41 spsize 
+    sp30 sp31 sp32 sp33 sp34 sp35 sp37 sp38 sp39 sp40 sp41 sp42 spsize 
 DIST_SUBDIRS = $(SUBDIRS) spfatal
 
 include $(top_srcdir)/../automake/subdirs.am

testsuites/sptests/configure.ac

@@ -66,6 +66,7 @@ sp38/Makefile
 sp39/Makefile
 sp40/Makefile
 sp41/Makefile
+sp42/Makefile
 spsize/Makefile
 spfatal/Makefile
 ])

testsuites/sptests/sp42/.cvsignore

@@ -0,0 +1,2 @@
+Makefile
+Makefile.in

testsuites/sptests/sp42/init.c

@@ -0,0 +1,173 @@
+/*
+ *  Exercise thread queue enqueue and dequeue priority
+ *
+ *  COPYRIGHT (c) 1989-2008.
+ *  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 <stdio.h>
+#include <stdlib.h>
+
+#include <bsp.h>
+
+#include "tmacros.h"
+
+#define MAX_TASKS 20
+
+/*
+ * Carefully chosen to exercise threadq enqueue/dequeue priority logic.
+ * Somewhat randomly sorted to ensure than if discipline is FIFO, run-time
+ * behavior won't be the same when released.
+ */
+rtems_task_priority Priorities[MAX_TASKS] = {
+  37, 37, 37, 37,       /* backward - more 2-n */
+  2, 2, 2, 2,           /* forward - multiple are on 2-n chain */
+  4, 3,                 /* forward - search forward arbitrary */
+  3, 3, 3, 3,           /* forward - more 2-n */
+  38, 37,               /* backward - search backward arbitrary */
+  34, 34, 34, 34,       /* backward - multple on 2-n chain */
+};
+
+
+rtems_id   Semaphore;
+rtems_id   Task_id[ MAX_TASKS ];
+rtems_name Task_name[ MAX_TASKS ];
+
+rtems_task Locker_task(
+  rtems_task_argument unused
+)
+{
+  rtems_id          tid;
+  uint32_t          task_index;
+  rtems_status_code status;
+
+  status = rtems_task_ident( RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &tid );
+  directive_failed( status, "rtems_task_ident" ); 
+
+  task_index = task_number( tid ) - 1;
+
+  status = rtems_semaphore_obtain( Semaphore, RTEMS_DEFAULT_OPTIONS, 0 );
+  directive_failed( status, "rtems_semaphore_obtain" ); 
+
+  put_name( Task_name[ task_index ], FALSE );
+  puts( " - unblocked - OK" );
+
+  (void) rtems_task_delete( RTEMS_SELF );
+}
+
+void do_test(
+  rtems_attribute attr,
+  boolean         extract  /* TRUE if extract, not release */
+)
+{
+  rtems_status_code status;
+  int               i;
+
+  status = rtems_semaphore_create(
+    rtems_build_name( 'S', 'E', 'M', '0' ),  /* name = SEM0 */
+    0,                                       /* unlocked */
+    RTEMS_BINARY_SEMAPHORE | attr,           /* mutex w/desired discipline */
+    0,                                       /* IGNORED */
+    &Semaphore
+  );
+  directive_failed( status, "rtems_semaphore_create" ); 
+
+  for (i=0 ; i< MAX_TASKS ; i++ ) {
+    
+    Task_name[ i ] = rtems_build_name(
+       'T',
+       'A',
+       '0' + (char)(i/10),
+       '0' + (char)(i%10)
+    );
+
+    status = rtems_task_create(
+      Task_name[ i ],
+      Priorities[ i ],
+      RTEMS_MINIMUM_STACK_SIZE,
+      RTEMS_DEFAULT_MODES,
+      RTEMS_DEFAULT_ATTRIBUTES,
+      &Task_id[ i ]
+    );
+    directive_failed( status, "rtems_task_create" ); 
+
+    status = rtems_task_start( Task_id[ i ], Locker_task, i );
+    directive_failed( status, "rtems_task_start" ); 
+
+    status = rtems_task_wake_after( 10 );
+    directive_failed( status, "rtems_task_wake_after" ); 
+  }
+
+  for (i=0 ; i< MAX_TASKS ; i++ ) {
+    if ( extract == FALSE ) {
+      status = rtems_semaphore_release( Semaphore );
+      directive_failed( status, "rtems_semaphore_release" ); 
+
+      status = rtems_task_wake_after( 100 );
+      directive_failed( status, "rtems_task_wake_after" ); 
+    } else {
+      status = rtems_task_delete( Task_id[ i ]  );
+      directive_failed( status, "rtems_task_delete" ); 
+    }
+  }
+  
+  /* one extra release for the initial state */
+  status = rtems_semaphore_release( Semaphore );
+  directive_failed( status, "rtems_semaphore_release" ); 
+
+  /* now delete the semaphore since no one is waiting and it is unlocked */
+  status = rtems_semaphore_delete( Semaphore );
+  directive_failed( status, "rtems_semaphore_delete" ); 
+}
+
+rtems_task Init(
+  rtems_task_argument argument
+)
+{
+  puts( "\n\n*** SP40 ***" );
+
+  if ( sizeof( Priorities ) / sizeof( rtems_task_priority ) != MAX_TASKS ) {
+    puts( "Priorities table does not have right number of entries" );
+    exit( 0 );
+  }
+
+  puts( "Exercising blocking discipline w/extract in FIFO order " );
+  do_test( RTEMS_FIFO, TRUE );
+
+  puts( "Exercising blocking discipline w/unblock in FIFO order" );
+  do_test( RTEMS_FIFO, FALSE );
+
+  rtems_test_pause_and_screen_number( 2 );
+
+  puts( "Exercising blocking discipline w/extract in priority order " );
+  do_test( RTEMS_PRIORITY, TRUE );
+
+  puts( "Exercising blocking discipline w/unblock in priority order" );
+  do_test( RTEMS_PRIORITY, FALSE );
+
+  puts( "*** END OF SP40 ***" );
+  exit(0);
+}
+
+/**************** START OF CONFIGURATION INFORMATION ****************/
+
+#define CONFIGURE_INIT
+
+#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
+
+#define CONFIGURE_MAXIMUM_TASKS             MAX_TASKS+1
+#define CONFIGURE_MAXIMUM_SEMAPHORES        1
+
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#include <rtems/confdefs.h>
+
+/****************  END OF CONFIGURATION INFORMATION  ****************/
+