1 files changed, 92 insertions, 0 deletions
diff --git a/testsuites/psxtests/psx11/task.c b/testsuites/psxtests/psx11/task.c
new file mode 100644
index 0000000000..6b023e0ce7
--- /dev/null
+++ b/testsuites/psxtests/psx11/task.c
@@ -0,0 +1,92 @@
+/*  Task_1
+ *
+ *  This routine serves as a test task.  It verifies the basic task
+ *  switching capabilities of the executive.
+ *
+ *  Input parameters:
+ *    argument - task argument
+ *
+ *  Output parameters:  NONE
+ *
+ *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ *  On-Line Applications Research Corporation (OAR).
+ *  All rights assigned to U.S. Government, 1994.
+ *
+ *  This material may be reproduced by or for the U.S. Government pursuant
+ *  to the copyright license under the clause at DFARS 252.227-7013.  This
+ *  notice must appear in all copies of this file and its derivatives.
+ *
+ *  $Id$
+ */
+
+#include "system.h"
+#include <time.h>
+#include <sched.h>
+
+void diff_timespec(
+  struct timespec *start,
+  struct timespec *stop,
+  struct timespec *result
+)
+{
+   int nsecs_per_sec = 1000000000;
+ 
+   result->tv_sec = stop->tv_sec - start->tv_sec;
+   if ( stop->tv_nsec < start->tv_nsec ) {
+      result->tv_nsec = nsecs_per_sec - start->tv_nsec + stop->tv_nsec;
+      result->tv_sec--;
+   } else
+      result->tv_nsec = stop->tv_nsec - start->tv_nsec;
+ 
+}
+
+void *Task_1(
+  void *argument
+)
+{
+  int status;
+  struct timespec start;
+  struct timespec current;
+  struct timespec difference;
+  struct timespec delay;
+
+  status = clock_gettime( CLOCK_REALTIME, &start );
+  assert( !status );
+  
+  status = sched_rr_get_interval( getpid(), &delay );
+  assert( !status );
+
+  /* double the rr interval for confidence */
+
+  delay.tv_sec *= 2;
+  delay.tv_nsec *= 2;
+  if ( delay.tv_nsec >= 1000000000 ) {   /* handle overflow/carry */
+    delay.tv_nsec -= 1000000000;
+    delay.tv_sec++;
+  }
+    
+  
+  puts( "Task_1: killing time" );
+  for ( ; ; ) {
+
+    status = clock_gettime( CLOCK_REALTIME, &current );
+    assert( !status );
+
+    diff_timespec( &start, &current, &difference );
+
+    if ( difference.tv_sec < delay.tv_sec )
+      continue;
+
+    if ( difference.tv_sec > delay.tv_sec )
+      break;
+    
+    if ( difference.tv_nsec > delay.tv_nsec )
+      break;
+    
+  }
+
+  puts( "Task_1: exitting" );
+  pthread_exit( NULL );
+
+  return NULL; /* just so the compiler thinks we returned something */
+}