simple version of test which shows pthread_create, pthread_exit, and exit

are basically working.  This test will be enhanced further.

testsuites/psxtests/psx01/init.c

@@ -25,10 +25,12 @@
 #define CONFIGURE_INIT
 #include "system.h"
 
-void Init(
+void *Init(
   void *argument
 )
 {
+  int        status;
+  pthread_t  thread_id;
 
   puts( "\n\n*** POSIX TEST 1 ***" );
 
@@ -38,5 +40,12 @@ void Init(
 
   /* exit */
 
+  status = pthread_create( &thread_id, NULL, Task_1_through_3, NULL );
+  assert( !status );
+
   pthread_exit( NULL );
+
+  /* just to satisfy compilers which think we did not return anything */
+
+  return NULL;
 }

testsuites/psxtests/psx01/system.h

@@ -18,13 +18,14 @@
 
 #include <bsp.h>
 #include <pthread.h>
+#include <assert.h>
 #include <stdio.h>
 
-void Init(
+void *Init(
   void *argument
 );
 
-void Task_1_through_3(
+void *Task_1_through_3(
   void *argument
 );
 

testsuites/psxtests/psx01/task.c

@@ -21,12 +21,17 @@
 
 #include "system.h"
 
-void Task_1_through_3(
+void *Task_1_through_3(
   void *argument
 )
 {
   int seconds;
 
+  /* XXX temporary */
+
+  puts( "*** END OF POSIX TEST 1 ***" );
+  exit( 0 );
+
   for ( ; ; ) {
     /* grab the tod */