2011-07-20 Joel Sherrill <joel.sherrill@oarcorp.com>

	* Makefile.am, configure.ac: Add benchmark of pthread_mutex_unlock
	where it is unblocking threads without preemption.
	* psxtmmutex05/.cvsignore, psxtmmutex05/Makefile.am,
	psxtmmutex05/init.c, psxtmmutex05/psxtmmutex05.doc: New files.

4 files changed, 159 insertions, 0 deletions

diff --git a/testsuites/psxtmtests/psxtmmutex05/.cvsignore b/testsuites/psxtmtests/psxtmmutex05/.cvsignore
new file mode 100644
index 0000000000..282522db03
--- /dev/null
+++ b/testsuites/psxtmtests/psxtmmutex05/.cvsignore
@@ -0,0 +1,2 @@
+Makefile
+Makefile.in
diff --git a/testsuites/psxtmtests/psxtmmutex05/Makefile.am b/testsuites/psxtmtests/psxtmmutex05/Makefile.am
new file mode 100644
index 0000000000..20c0116235
--- /dev/null
+++ b/testsuites/psxtmtests/psxtmmutex05/Makefile.am
@@ -0,0 +1,30 @@
+##
+## $Id$
+##
+
+MANAGERS = all
+
+rtems_tests_PROGRAMS = psxtmmutex05
+psxtmmutex05_SOURCES = init.c ../../tmtests/include/timesys.h \
+    ../../support/src/tmtests_empty_function.c \
+    ../../support/src/tmtests_support.c
+
+dist_rtems_tests_DATA = psxtmmutex05.doc
+
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
+include $(top_srcdir)/../automake/compile.am
+include $(top_srcdir)/../automake/leaf.am
+
+OPERATION_COUNT = @OPERATION_COUNT@
+AM_CPPFLAGS += -I$(top_srcdir)/../tmtests/include
+AM_CPPFLAGS += -DOPERATION_COUNT=$(OPERATION_COUNT)
+AM_CPPFLAGS += -I$(top_srcdir)/../support/include
+
+LINK_OBJS = $(psxtmmutex05_OBJECTS) $(psxtmmutex05_LDADD)
+LINK_LIBS = $(psxtmmutex05_LDLIBS)
+
+psxtmmutex05$(EXEEXT): $(psxtmmutex05_OBJECTS) $(psxtmmutex05_DEPENDENCIES)
+	@rm -f psxtmmutex05$(EXEEXT)
+	$(make-exe)
+
+include $(top_srcdir)/../automake/local.am
diff --git a/testsuites/psxtmtests/psxtmmutex05/init.c b/testsuites/psxtmtests/psxtmmutex05/init.c
new file mode 100644
index 0000000000..5f39743df2
--- /dev/null
+++ b/testsuites/psxtmtests/psxtmmutex05/init.c
@@ -0,0 +1,113 @@
+/*
+ *  COPYRIGHT (c) 1989-2011.
+ *  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.
+ *
+ *  $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <coverhd.h>
+#include <tmacros.h>
+#include <timesys.h>
+#include "test_support.h"
+#include <pthread.h>
+#include <sched.h>
+#include <rtems/timerdrv.h>
+
+pthread_mutex_t MutexId;
+
+void *Blockers(
+  void *argument
+)
+{
+  int status;
+
+  /*
+   * Now we have finished the thread startup overhead,
+   * so let other threads run.  When we return, we can
+   * finish the benchmark.
+   */
+  sched_yield();
+    /* let other threads run */
+
+  status = pthread_mutex_lock( &MutexId );
+  rtems_test_assert( status == 0 );
+
+  return NULL;
+}
+
+void *POSIX_Init(
+  void *argument
+)
+{
+  int        i;
+  int        status;
+  pthread_t  threadId;
+  long       end_time;
+
+  puts( "\n\n*** POSIX TIME TEST MUTEX 05 ***" );
+
+  for ( i=0 ; i < OPERATION_COUNT ; i++ ) {
+    status = pthread_create( &threadId, NULL, Blockers, NULL );
+    rtems_test_assert( status == 0 );
+  }
+  
+  /*
+   * Deliberately create the mutex after the threads.  This way if the
+   * threads do run before we intend, they will get an error.
+   */
+  status = pthread_mutex_init( &MutexId, NULL );
+  rtems_test_assert( status == 0 );
+
+  /*
+   * Ensure the mutex is unavailable so the other threads block.
+   */
+  status = pthread_mutex_lock( &MutexId );
+  rtems_test_assert( status == 0 );
+
+  /*
+   * Let the other threads start so the thread startup overhead,
+   * is accounted for.  When we return, we can start the benchmark.
+   */
+  sched_yield();
+    /* let other threads run */
+
+  benchmark_timer_initialize();
+    status = pthread_mutex_unlock( &MutexId );
+  end_time = benchmark_timer_read();
+  rtems_test_assert( status == 0 );
+
+  put_time(
+    "pthread_mutex_unlock (no preemption)",
+    end_time,
+    OPERATION_COUNT,
+    0,
+    0
+  );
+
+  puts( "*** END OF POSIX TIME TEST MUTEX 05 ***" );
+  rtems_test_exit( 0 );
+
+  return NULL;
+}
+
+/* configuration information */
+
+#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER
+
+#define CONFIGURE_MAXIMUM_POSIX_THREADS     OPERATION_COUNT + 1
+#define CONFIGURE_MAXIMUM_POSIX_MUTEXES     1
+#define CONFIGURE_POSIX_INIT_THREAD_TABLE
+
+#define CONFIGURE_INIT
+
+#include <rtems/confdefs.h>
+  /* end of file */
diff --git a/testsuites/psxtmtests/psxtmmutex05/psxtmmutex05.doc b/testsuites/psxtmtests/psxtmmutex05/psxtmmutex05.doc
new file mode 100644
index 0000000000..77e717fb5d
--- /dev/null
+++ b/testsuites/psxtmtests/psxtmmutex05/psxtmmutex05.doc
@@ -0,0 +1,14 @@
+#
+#  $Id$
+#
+#  COPYRIGHT (c) 1989-2011.
+#  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.
+#
+
+This test benchmarks the following operations:
+
++ pthread_mutex_unlock - no preemption