change log for rtems (2011-09-01)

rtems-vc at rtems.org rtems-vc at rtems.org
Thu Sep 1 19:12:19 UTC 2011


 *joel*:
2011-09-01	Petr Benes <benesp16 at fel.cvut.cz>

	PR 1895/cpukit
	* rtems/src/ratemoncancel.c, rtems/src/ratemondelete.c,
	rtems/src/ratemonperiod.c, sapi/include/confdefs.h,
	score/Makefile.am, score/include/rtems/score/scheduler.h,
	score/include/rtems/score/schedulerpriority.h,
	score/include/rtems/score/schedulersimple.h,
	score/include/rtems/score/schedulersimplesmp.h,
	score/inline/rtems/score/scheduler.inl,
	score/inline/rtems/score/schedulerpriority.inl,
	score/src/coremutexseize.c: Add priority_compare and release_job
	hooks interfaces to scheduler interface.
	* score/src/schedulerpriorityprioritycompare.c,
	score/src/schedulerpriorityreleasejob.c: New files.

M 1.2911  cpukit/ChangeLog
M   1.12  cpukit/rtems/src/ratemoncancel.c
M   1.11  cpukit/rtems/src/ratemondelete.c
M   1.31  cpukit/rtems/src/ratemonperiod.c
M  1.170  cpukit/sapi/include/confdefs.h
M  1.108  cpukit/score/Makefile.am
M    1.8  cpukit/score/include/rtems/score/scheduler.h
M   1.11  cpukit/score/include/rtems/score/schedulerpriority.h
M    1.5  cpukit/score/include/rtems/score/schedulersimple.h
M    1.5  cpukit/score/include/rtems/score/schedulersimplesmp.h
M    1.6  cpukit/score/inline/rtems/score/scheduler.inl
M    1.7  cpukit/score/inline/rtems/score/schedulerpriority.inl
M   1.19  cpukit/score/src/coremutexseize.c
A    1.1  cpukit/score/src/schedulerpriorityprioritycompare.c
A    1.1  cpukit/score/src/schedulerpriorityreleasejob.c

diff -u rtems/cpukit/ChangeLog:1.2910 rtems/cpukit/ChangeLog:1.2911
--- rtems/cpukit/ChangeLog:1.2910	Mon Aug 29 16:31:17 2011
+++ rtems/cpukit/ChangeLog	Thu Sep  1 13:13:53 2011
@@ -1,3 +1,19 @@
+2011-09-01	Petr Benes <benesp16 at fel.cvut.cz>
+
+	PR 1895/cpukit
+	* rtems/src/ratemoncancel.c, rtems/src/ratemondelete.c,
+	rtems/src/ratemonperiod.c, sapi/include/confdefs.h,
+	score/Makefile.am, score/include/rtems/score/scheduler.h,
+	score/include/rtems/score/schedulerpriority.h,
+	score/include/rtems/score/schedulersimple.h,
+	score/include/rtems/score/schedulersimplesmp.h,
+	score/inline/rtems/score/scheduler.inl,
+	score/inline/rtems/score/schedulerpriority.inl,
+	score/src/coremutexseize.c: Add priority_compare and release_job
+	hooks interfaces to scheduler interface.
+	* score/src/schedulerpriorityprioritycompare.c,
+	score/src/schedulerpriorityreleasejob.c: New files.
+
 2011-08-29	Joel Sherrill <joel.sherrilL at OARcorp.com>
 
 	* rtems/include/rtems/rtems/tasks.h: Formatting.

diff -u rtems/cpukit/rtems/src/ratemoncancel.c:1.11 rtems/cpukit/rtems/src/ratemoncancel.c:1.12
--- rtems/cpukit/rtems/src/ratemoncancel.c:1.11	Sun Jul 24 18:55:10 2011
+++ rtems/cpukit/rtems/src/ratemoncancel.c	Thu Sep  1 13:13:53 2011
@@ -53,6 +53,7 @@
       }
       (void) _Watchdog_Remove( &the_period->Timer );
       the_period->state = RATE_MONOTONIC_INACTIVE;
+      _Scheduler_Release_job(the_period->owner, 0);
       _Thread_Enable_dispatch();
       return RTEMS_SUCCESSFUL;
 

diff -u rtems/cpukit/rtems/src/ratemondelete.c:1.10 rtems/cpukit/rtems/src/ratemondelete.c:1.11
--- rtems/cpukit/rtems/src/ratemondelete.c:1.10	Sun Jul 24 18:55:10 2011
+++ rtems/cpukit/rtems/src/ratemondelete.c	Thu Sep  1 13:13:54 2011
@@ -51,6 +51,7 @@
       (void) _Watchdog_Remove( &the_period->Timer );
       the_period->state = RATE_MONOTONIC_INACTIVE;
       _Rate_monotonic_Free( the_period );
+      _Scheduler_Release_job(the_period->owner, 0);
       _Thread_Enable_dispatch();
       return RTEMS_SUCCESSFUL;
 

diff -u rtems/cpukit/rtems/src/ratemonperiod.c:1.30 rtems/cpukit/rtems/src/ratemonperiod.c:1.31
--- rtems/cpukit/rtems/src/ratemonperiod.c:1.30	Sun Jul 24 18:55:10 2011
+++ rtems/cpukit/rtems/src/ratemonperiod.c	Thu Sep  1 13:13:54 2011
@@ -143,6 +143,8 @@
       _Timespec_Add_to( &the_period->cpu_usage_period_initiated, &ran );
     }
   #endif
+
+  _Scheduler_Release_job(the_period->owner, the_period->next_length);
 }
 
 void _Rate_monotonic_Update_statistics(
@@ -282,6 +284,8 @@
       if ( the_period->state == RATE_MONOTONIC_INACTIVE ) {
         _ISR_Enable( level );
 
+        the_period->next_length = length;
+
         /*
          *  Baseline statistics information for the beginning of a period.
          */
@@ -295,8 +299,6 @@
           NULL
         );
 
-        the_period->next_length = length;
-
         _Watchdog_Insert_ticks( &the_period->Timer, length );
         _Thread_Enable_dispatch();
         return RTEMS_SUCCESSFUL;
@@ -353,6 +355,7 @@
         the_period->next_length = length;
 
         _Watchdog_Insert_ticks( &the_period->Timer, length );
+        _Scheduler_Release_job(the_period->owner, the_period->next_length);
         _Thread_Enable_dispatch();
         return RTEMS_TIMEOUT;
       }

diff -u rtems/cpukit/sapi/include/confdefs.h:1.169 rtems/cpukit/sapi/include/confdefs.h:1.170
--- rtems/cpukit/sapi/include/confdefs.h:1.169	Wed Aug 17 04:14:09 2011
+++ rtems/cpukit/sapi/include/confdefs.h	Thu Sep  1 13:13:54 2011
@@ -661,6 +661,9 @@
 #if defined(CONFIGURE_SCHEDULER_USER)
   #define CONFIGURE_SCHEDULER_ENTRY_POINTS \
           CONFIGURE_SCHEDULER_USER_ENTRY_POINTS
+
+  #define CONFIGURE_SCHEDULER_MEMORY_FOR_SCHEDULER \
+          CONFIGURE_SCHEDULER_USER_MEMORY_FOR_SCHEDULER
 #endif
 
 /* 

diff -u rtems/cpukit/score/Makefile.am:1.107 rtems/cpukit/score/Makefile.am:1.108
--- rtems/cpukit/score/Makefile.am:1.107	Mon Aug 22 13:26:07 2011
+++ rtems/cpukit/score/Makefile.am	Thu Sep  1 13:13:54 2011
@@ -203,6 +203,8 @@
     src/schedulerpriorityenqueuefirst.c \
     src/schedulerpriorityextract.c \
     src/schedulerpriorityfree.c \
+    src/schedulerpriorityprioritycompare.c \
+    src/schedulerpriorityreleasejob.c \
     src/schedulerpriorityschedule.c \
     src/schedulerpriorityunblock.c \
     src/schedulerpriorityupdate.c \

diff -u rtems/cpukit/score/include/rtems/score/scheduler.h:1.7 rtems/cpukit/score/include/rtems/score/scheduler.h:1.8
--- rtems/cpukit/score/include/rtems/score/scheduler.h:1.7	Fri Jun 17 10:40:09 2011
+++ rtems/cpukit/score/include/rtems/score/scheduler.h	Thu Sep  1 13:13:54 2011
@@ -77,8 +77,18 @@
   /** extract a thread from the ready set */
   void ( *extract )(Thread_Control *);
 
+  /**
+   * Compares two priorities (returns >0 for higher priority, 0 for equal
+   * and <0 for lower priority).
+   */
+  int ( *priority_compare )(Priority_Control, Priority_Control);
+
+  /** This routine is called upon release of a new job. */
+  void ( *release_job ) (Thread_Control *, uint32_t);
+
   /** perform scheduler update actions required at each clock tick */
   void ( *tick )(void);
+
 } Scheduler_Operations;
 
 /**
@@ -107,6 +117,20 @@
 extern Scheduler_Control  _Scheduler;
 
 /**
+ * Macro testing whether @a p1 has lower priority than @a p2
+ * in the intuitive sense of priority.
+ */
+#define _Scheduler_Is_priority_lower_than( _p1, _p2 ) \
+  (_Scheduler_Priority_compare(_p1,_p2) < 0)
+
+/**
+ * Macro testing whether @a p1 has higher priority than @a p2
+ * in the intuitive sense of priority.
+ */
+#define _Scheduler_Is_priority_higher_than( _p1, _p2 ) \
+  (_Scheduler_Priority_compare(_p1,_p2) > 0)
+
+/**
  *  This routine initializes the scheduler to the policy chosen by the user
  *  through confdefs, or to the priority scheduler with ready chains by
  *  default.

diff -u rtems/cpukit/score/include/rtems/score/schedulerpriority.h:1.10 rtems/cpukit/score/include/rtems/score/schedulerpriority.h:1.11
--- rtems/cpukit/score/include/rtems/score/schedulerpriority.h:1.10	Fri Jun 17 09:31:45 2011
+++ rtems/cpukit/score/include/rtems/score/schedulerpriority.h	Thu Sep  1 13:13:54 2011
@@ -38,18 +38,20 @@
  */
 #define SCHEDULER_PRIORITY_ENTRY_POINTS \
   { \
-    _Scheduler_priority_Initialize,    /* initialize entry point */ \
-    _Scheduler_priority_Schedule,      /* schedule entry point */ \
-    _Scheduler_priority_Yield,         /* yield entry point */ \
-    _Scheduler_priority_Block,         /* block entry point */ \
-    _Scheduler_priority_Unblock,       /* unblock entry point */ \
-    _Scheduler_priority_Allocate,      /* allocate entry point */ \
-    _Scheduler_priority_Free,          /* free entry point */ \
-    _Scheduler_priority_Update,        /* update entry point */ \
-    _Scheduler_priority_Enqueue,       /* enqueue entry point */ \
-    _Scheduler_priority_Enqueue_first, /* enqueue_first entry point */ \
-    _Scheduler_priority_Extract,       /* extract entry point */ \
-    _Scheduler_priority_Tick           /* tick entry point */ \
+    _Scheduler_priority_Initialize,       /* initialize entry point */ \
+    _Scheduler_priority_Schedule,         /* schedule entry point */ \
+    _Scheduler_priority_Yield,            /* yield entry point */ \
+    _Scheduler_priority_Block,            /* block entry point */ \
+    _Scheduler_priority_Unblock,          /* unblock entry point */ \
+    _Scheduler_priority_Allocate,         /* allocate entry point */ \
+    _Scheduler_priority_Free,             /* free entry point */ \
+    _Scheduler_priority_Update,           /* update entry point */ \
+    _Scheduler_priority_Enqueue,          /* enqueue entry point */ \
+    _Scheduler_priority_Enqueue_first,    /* enqueue_first entry point */ \
+    _Scheduler_priority_Extract,          /* extract entry point */ \
+    _Scheduler_priority_Priority_compare, /* compares two priorities */ \
+    _Scheduler_priority_Release_job,      /* new period of task */ \
+    _Scheduler_priority_Tick              /* tick entry point */ \
   }
 
 /**
@@ -172,6 +174,30 @@
 );
 
 /**
+ *  @brief Scheduler priority Priority compare
+ *
+ *  This routine compares two priorities.
+ */
+int _Scheduler_priority_Priority_compare(
+  Priority_Control      p1,
+  Priority_Control      p2
+);
+
+/**
+ *  @brief Scheduler priority Release job
+ *
+ *  This routine is called when a new job of task is released.
+ *
+ *  @param[in] the_thread is the owner of the job.
+ *  @param[in] deadline of the new job from now. If equal to 0,
+ *             the job was cancelled or deleted.
+ */
+void _Scheduler_priority_Release_job (
+  Thread_Control  *the_thread,
+  uint32_t         deadline
+);
+
+/**
  *  @brief Deterministic Priority Scheduler Tick Method
  *
  *  This routine is invoked as part of processing each clock tick.

diff -u rtems/cpukit/score/include/rtems/score/schedulersimple.h:1.4 rtems/cpukit/score/include/rtems/score/schedulersimple.h:1.5
--- rtems/cpukit/score/include/rtems/score/schedulersimple.h:1.4	Fri Jun 17 09:31:45 2011
+++ rtems/cpukit/score/include/rtems/score/schedulersimple.h	Thu Sep  1 13:13:54 2011
@@ -35,18 +35,20 @@
  */
 #define SCHEDULER_SIMPLE_ENTRY_POINTS \
   { \
-    _Scheduler_simple_Initialize,    /* initialize entry point */ \
-    _Scheduler_simple_Schedule,      /* schedule entry point */ \
-    _Scheduler_simple_Yield,         /* yield entry point */ \
-    _Scheduler_simple_Block,         /* block entry point */ \
-    _Scheduler_simple_Unblock,       /* unblock entry point */ \
-    _Scheduler_simple_Allocate,      /* allocate entry point */ \
-    _Scheduler_simple_Free,          /* free entry point */ \
-    _Scheduler_simple_Update,        /* update entry point */ \
-    _Scheduler_simple_Enqueue,       /* enqueue entry point */ \
-    _Scheduler_simple_Enqueue_first, /* enqueue_first entry point */ \
-    _Scheduler_simple_Extract,       /* extract entry point */ \
-    _Scheduler_priority_Tick         /* tick entry point */ \
+    _Scheduler_simple_Initialize,         /* initialize entry point */ \
+    _Scheduler_simple_Schedule,           /* schedule entry point */ \
+    _Scheduler_simple_Yield,              /* yield entry point */ \
+    _Scheduler_simple_Block,              /* block entry point */ \
+    _Scheduler_simple_Unblock,            /* unblock entry point */ \
+    _Scheduler_simple_Allocate,           /* allocate entry point */ \
+    _Scheduler_simple_Free,               /* free entry point */ \
+    _Scheduler_simple_Update,             /* update entry point */ \
+    _Scheduler_simple_Enqueue,            /* enqueue entry point */ \
+    _Scheduler_simple_Enqueue_first,      /* enqueue_first entry point */ \
+    _Scheduler_simple_Extract,            /* extract entry point */ \
+    _Scheduler_priority_Priority_compare, /* compares two priorities */ \
+    _Scheduler_priority_Release_job,      /* new period of task */ \
+    _Scheduler_priority_Tick              /* tick entry point */ \
   }
 
 /**

diff -u rtems/cpukit/score/include/rtems/score/schedulersimplesmp.h:1.4 rtems/cpukit/score/include/rtems/score/schedulersimplesmp.h:1.5
--- rtems/cpukit/score/include/rtems/score/schedulersimplesmp.h:1.4	Tue Jun 28 15:31:36 2011
+++ rtems/cpukit/score/include/rtems/score/schedulersimplesmp.h	Thu Sep  1 13:13:54 2011
@@ -40,24 +40,27 @@
 
 #include <rtems/score/scheduler.h>
 #include <rtems/score/schedulersimple.h>
+#include <rtems/score/schedulerpriority.h>
 
 /**
  *  Entry points for Scheduler Simple SMP
  */
 #define SCHEDULER_SIMPLE_SMP_ENTRY_POINTS \
   { \
-    _Scheduler_simple_Initialize,    /* initialize entry point */ \
-    _Scheduler_simple_smp_Schedule,  /* schedule entry point */ \
-    _Scheduler_simple_Yield,         /* yield entry point */ \
-    _Scheduler_simple_smp_Block,     /* block entry point */ \
-    _Scheduler_simple_smp_Unblock,   /* unblock entry point */ \
-    _Scheduler_simple_Allocate,      /* allocate entry point */ \
-    _Scheduler_simple_Free,          /* free entry point */ \
-    _Scheduler_simple_Update,        /* update entry point */ \
-    _Scheduler_simple_Enqueue,       /* enqueue entry point */ \
-    _Scheduler_simple_Enqueue_first, /* enqueue_first entry point */ \
-    _Scheduler_simple_Extract,       /* extract entry point */ \
-    _Scheduler_simple_smp_Tick       /* tick entry point */ \
+    _Scheduler_simple_Initialize,         /* initialize entry point */ \
+    _Scheduler_simple_smp_Schedule,       /* schedule entry point */ \
+    _Scheduler_simple_Yield,              /* yield entry point */ \
+    _Scheduler_simple_smp_Block,          /* block entry point */ \
+    _Scheduler_simple_smp_Unblock,        /* unblock entry point */ \
+    _Scheduler_simple_Allocate,           /* allocate entry point */ \
+    _Scheduler_simple_Free,               /* free entry point */ \
+    _Scheduler_simple_Update,             /* update entry point */ \
+    _Scheduler_simple_Enqueue,            /* enqueue entry point */ \
+    _Scheduler_simple_Enqueue_first,      /* enqueue_first entry point */ \
+    _Scheduler_simple_Extract,            /* extract entry point */ \
+    _Scheduler_priority_Priority_compare, /* compares two priorities */ \
+    _Scheduler_priority_Release_job,      /* new period of task */ \
+    _Scheduler_simple_smp_Tick            /* tick entry point */ \
   }
 
 /**

diff -u rtems/cpukit/score/inline/rtems/score/scheduler.inl:1.5 rtems/cpukit/score/inline/rtems/score/scheduler.inl:1.6
--- rtems/cpukit/score/inline/rtems/score/scheduler.inl:1.5	Fri Jun 17 09:31:46 2011
+++ rtems/cpukit/score/inline/rtems/score/scheduler.inl	Thu Sep  1 13:13:54 2011
@@ -159,6 +159,32 @@
   _Scheduler.Operations.extract( the_thread );
 }
 
+/**
+ * @brief Scheduler Priority compare
+ *
+ * This routine compares two priorities.
+ */
+RTEMS_INLINE_ROUTINE int _Scheduler_Priority_compare(
+  Priority_Control p1,
+  Priority_Control p2
+)
+{
+  return _Scheduler.Operations.priority_compare(p1, p2);
+}
+
+/**
+ * @brief Scheduler Release job
+ *
+ * This routine is called when a new period of task is issued.
+ */
+RTEMS_INLINE_ROUTINE void _Scheduler_Release_job(
+  Thread_Control *the_thread,
+  uint32_t       length
+)
+{
+  _Scheduler.Operations.release_job(the_thread, length);
+}
+
 /** @brief Scheduler Method Invoked at Each Clock Tick
  *
  * This method is invoked at each clock tick to allow the scheduler

diff -u rtems/cpukit/score/inline/rtems/score/schedulerpriority.inl:1.6 rtems/cpukit/score/inline/rtems/score/schedulerpriority.inl:1.7
--- rtems/cpukit/score/inline/rtems/score/schedulerpriority.inl:1.6	Mon Apr 18 17:01:47 2011
+++ rtems/cpukit/score/inline/rtems/score/schedulerpriority.inl	Thu Sep  1 13:13:54 2011
@@ -185,6 +185,23 @@
   );
 }
 
+/**
+ *  @brief Scheduler priority Priority compare body
+ *
+ *  This routine implements priority comparison for priority-based
+ *  scheduling.
+ *
+ *  @return >0 for higher priority, 0 for equal and <0 for lower priority.
+ */
+RTEMS_INLINE_ROUTINE int _Scheduler_priority_Priority_compare_body(
+  Priority_Control      p1,
+  Priority_Control      p2
+)
+{
+  /* High priority in priority scheduler is represented by low numbers. */
+  return ( p2 - p1 );
+}
+
 /**@}*/
 
 #endif

diff -u rtems/cpukit/score/src/coremutexseize.c:1.18 rtems/cpukit/score/src/coremutexseize.c:1.19
--- rtems/cpukit/score/src/coremutexseize.c:1.18	Sun Jul 24 18:55:13 2011
+++ rtems/cpukit/score/src/coremutexseize.c	Thu Sep  1 13:13:54 2011
@@ -60,7 +60,9 @@
 
   executing = _Thread_Executing;
   if ( _CORE_mutex_Is_inherit_priority( &the_mutex->Attributes ) ) {
-    if ( the_mutex->holder->current_priority > executing->current_priority ) {
+    if ( _Scheduler_Is_priority_higher_than(
+         executing->current_priority,
+         the_mutex->holder->current_priority)) {
       _Thread_Change_priority(
         the_mutex->holder,
         executing->current_priority,

diff -u /dev/null rtems/cpukit/score/src/schedulerpriorityprioritycompare.c:1.1
--- /dev/null	Thu Sep  1 14:12:17 2011
+++ rtems/cpukit/score/src/schedulerpriorityprioritycompare.c	Thu Sep  1 13:13:54 2011
@@ -0,0 +1,27 @@
+/*
+ *  COPYRIGHT (c) 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.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/system.h>
+#include <rtems/config.h>
+#include <rtems/score/chain.h>
+#include <rtems/score/schedulerpriority.h>
+
+int _Scheduler_priority_Priority_compare(
+  Priority_Control      p1,
+  Priority_Control      p2
+)
+{
+  return _Scheduler_priority_Priority_compare_body( p1, p2 );
+}

diff -u /dev/null rtems/cpukit/score/src/schedulerpriorityreleasejob.c:1.1
--- /dev/null	Thu Sep  1 14:12:17 2011
+++ rtems/cpukit/score/src/schedulerpriorityreleasejob.c	Thu Sep  1 13:13:54 2011
@@ -0,0 +1,27 @@
+/*
+ *  Copyright (C) 2011 Petr Benes.
+ *  Copyright (C) 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.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/system.h>
+#include <rtems/config.h>
+#include <rtems/score/scheduler.h>
+#include <rtems/score/schedulerpriority.h>
+
+void _Scheduler_priority_Release_job(
+  Thread_Control    *the_thread,
+  uint32_t           deadline
+)
+{
+  return;
+}


 *joel*:
2011-09-01	Joel Sherrill <joel.sherrilL at OARcorp.com>

	PR 1895/cpukit
	* score/src/coretodmsecstoticks.c, score/src/coretodusectoticks.c,
	score/src/timespectoticks.c: Ensure time conversions to ticks do not
	ignore partial tick and return 1 less than desired.

M 1.2912  cpukit/ChangeLog
M    1.2  cpukit/score/src/coretodmsecstoticks.c
M    1.2  cpukit/score/src/coretodusectoticks.c
M    1.4  cpukit/score/src/timespectoticks.c

diff -u rtems/cpukit/ChangeLog:1.2911 rtems/cpukit/ChangeLog:1.2912
--- rtems/cpukit/ChangeLog:1.2911	Thu Sep  1 13:13:53 2011
+++ rtems/cpukit/ChangeLog	Thu Sep  1 13:24:46 2011
@@ -1,3 +1,10 @@
+2011-09-01	Joel Sherrill <joel.sherrilL at OARcorp.com>
+
+	PR 1895/cpukit
+	* score/src/coretodmsecstoticks.c, score/src/coretodusectoticks.c,
+	score/src/timespectoticks.c: Ensure time conversions to ticks do not
+	ignore partial tick and return 1 less than desired.
+
 2011-09-01	Petr Benes <benesp16 at fel.cvut.cz>
 
 	PR 1895/cpukit

diff -u rtems/cpukit/score/src/coretodmsecstoticks.c:1.1 rtems/cpukit/score/src/coretodmsecstoticks.c:1.2
--- rtems/cpukit/score/src/coretodmsecstoticks.c:1.1	Tue Dec 16 14:53:33 2008
+++ rtems/cpukit/score/src/coretodmsecstoticks.c	Thu Sep  1 13:24:47 2011
@@ -1,4 +1,4 @@
-/*  COPYRIGHT (c) 1989-2008.
+/*  COPYRIGHT (c) 1989-2011.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -21,5 +21,18 @@
   uint32_t milliseconds
 )
 {
-  return (milliseconds / rtems_configuration_get_milliseconds_per_tick());
+  uint32_t ticks;
+  uint32_t milliseconds_per_tick;
+
+  /**
+   *  We should ensure the ticks not be truncated by integer division.  We
+   *  need to have it be greater than or equal to the requested time.  It
+   *  should not be shorter.
+   */
+  milliseconds_per_tick = rtems_configuration_get_milliseconds_per_tick();
+  ticks                 = milliseconds / milliseconds_per_tick;
+  if ( (milliseconds % milliseconds_per_tick) != 0 )
+    ticks += 1;
+
+  return ticks;
 }

diff -u rtems/cpukit/score/src/coretodusectoticks.c:1.1 rtems/cpukit/score/src/coretodusectoticks.c:1.2
--- rtems/cpukit/score/src/coretodusectoticks.c:1.1	Tue Dec 16 14:53:34 2008
+++ rtems/cpukit/score/src/coretodusectoticks.c	Thu Sep  1 13:24:47 2011
@@ -1,4 +1,4 @@
-/*  COPYRIGHT (c) 1989-2008.
+/*  COPYRIGHT (c) 1989-2011.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -21,5 +21,18 @@
   uint32_t microseconds
 )
 {
-  return (microseconds / rtems_configuration_get_microseconds_per_tick());
+  uint32_t ticks;
+  uint32_t microseconds_per_tick;
+
+  /**
+   *  We should ensure the ticks not be truncated by integer division.  We
+   *  need to have it be greater than or equal to the requested time.  It
+   *  should not be shorter.
+   */
+  microseconds_per_tick = rtems_configuration_get_microseconds_per_tick();
+  ticks                 = microseconds / microseconds_per_tick;
+  if ( (microseconds % microseconds_per_tick) != 0 )
+    ticks += 1;
+
+  return ticks;
 }

diff -u rtems/cpukit/score/src/timespectoticks.c:1.3 rtems/cpukit/score/src/timespectoticks.c:1.4
--- rtems/cpukit/score/src/timespectoticks.c:1.3	Sun Nov 29 07:51:52 2009
+++ rtems/cpukit/score/src/timespectoticks.c	Thu Sep  1 13:24:47 2011
@@ -35,16 +35,22 @@
 )
 {
   uint32_t  ticks;
+  uint32_t  nanoseconds_per_tick;
 
   if ( (time->tv_sec == 0) && (time->tv_nsec == 0) )
     return 0;
 
-  ticks  = time->tv_sec * TOD_TICKS_PER_SECOND;
+  /**
+   *  We should ensure the ticks not be truncated by integer division.  We
+   *  need to have it be greater than or equal to the requested time.  It
+   *  should not be shorter.
+   */
+  ticks                 = time->tv_sec * TOD_TICKS_PER_SECOND;
+  nanoseconds_per_tick  = rtems_configuration_get_nanoseconds_per_tick();
+  ticks                += time->tv_nsec / nanoseconds_per_tick;
 
-  ticks += time->tv_nsec / rtems_configuration_get_nanoseconds_per_tick();
+  if ( (time->tv_nsec % nanoseconds_per_tick) != 0 )
+    ticks += 1;
 
-  if (ticks)
-    return ticks;
-
-  return 1;
+  return ticks;
 }


 *joel* (on branch rtems-4-10-branch):
2011-09-01	Joel Sherrill <joel.sherrilL at OARcorp.com>

	PR 1895/cpukit
	* posix/src/mqueuerecvsupp.c, posix/src/pthreadjoin.c,
	score/src/coretodmsecstoticks.c, score/src/coretodusectoticks.c,
	score/src/timespectoticks.c: Ensure time conversions to ticks do not
	ignore partial tick and return 1 less than desired.

M 1.2346.2.102  cpukit/ChangeLog
M 1.18.2.1  cpukit/posix/src/mqueuerecvsupp.c
M 1.8.4.4  cpukit/posix/src/pthreadjoin.c
M 1.1.2.1  cpukit/score/src/coretodmsecstoticks.c
M 1.1.2.1  cpukit/score/src/coretodusectoticks.c
M 1.3.2.1  cpukit/score/src/timespectoticks.c

diff -u rtems/cpukit/ChangeLog:1.2346.2.101 rtems/cpukit/ChangeLog:1.2346.2.102
--- rtems/cpukit/ChangeLog:1.2346.2.101	Sun Jul 31 17:40:41 2011
+++ rtems/cpukit/ChangeLog	Thu Sep  1 13:24:54 2011
@@ -1,3 +1,11 @@
+2011-09-01	Joel Sherrill <joel.sherrilL at OARcorp.com>
+
+	PR 1895/cpukit
+	* posix/src/mqueuerecvsupp.c, posix/src/pthreadjoin.c,
+	score/src/coretodmsecstoticks.c, score/src/coretodusectoticks.c,
+	score/src/timespectoticks.c: Ensure time conversions to ticks do not
+	ignore partial tick and return 1 less than desired.
+
 2011-07-31	Joel Sherrill <joel.sherrilL at OARcorp.com>
 
 	PR 1855/cpukit

diff -u rtems/cpukit/posix/src/mqueuerecvsupp.c:1.18 rtems/cpukit/posix/src/mqueuerecvsupp.c:1.18.2.1
--- rtems/cpukit/posix/src/mqueuerecvsupp.c:1.18	Tue Feb  3 04:10:48 2009
+++ rtems/cpukit/posix/src/mqueuerecvsupp.c	Thu Sep  1 13:24:57 2011
@@ -11,7 +11,7 @@
  *         This code ignores the O_RDONLY/O_WRONLY/O_RDWR flag at open
  *         time.
  *
- *  COPYRIGHT (c) 1989-2008.
+ *  COPYRIGHT (c) 1989-2011.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -105,8 +105,11 @@
       );
 
       _Thread_Enable_dispatch();
-      *msg_prio =
-        _POSIX_Message_queue_Priority_from_core(_Thread_Executing->Wait.count);
+      if (msg_prio) {
+        *msg_prio = _POSIX_Message_queue_Priority_from_core(
+             _Thread_Executing->Wait.count
+          );
+      }
 
       if ( !_Thread_Executing->Wait.return_code )
         return length_out;

diff -u rtems/cpukit/posix/src/pthreadjoin.c:1.8.4.3 rtems/cpukit/posix/src/pthreadjoin.c:1.8.4.4
--- rtems/cpukit/posix/src/pthreadjoin.c:1.8.4.3	Sun Jul 31 17:40:43 2011
+++ rtems/cpukit/posix/src/pthreadjoin.c	Thu Sep  1 13:24:57 2011
@@ -55,20 +55,21 @@
 
       if ( the_thread->current_state ==
              (STATES_WAITING_FOR_JOIN_AT_EXIT | STATES_TRANSIENT) ) {
-         return_pointer = the_thread->Wait.return_argument;
-         _Thread_Clear_state(
-           the_thread,
-           (STATES_WAITING_FOR_JOIN_AT_EXIT | STATES_TRANSIENT)
-         );
+        return_pointer = the_thread->Wait.return_argument;
+        _Thread_Clear_state(
+          the_thread,
+          (STATES_WAITING_FOR_JOIN_AT_EXIT | STATES_TRANSIENT)
+        );
+        _Thread_Enable_dispatch();
       } else {
-	_Thread_Executing->Wait.return_argument = &return_pointer;
+        _Thread_Executing->Wait.return_argument = &return_pointer;
         _Thread_queue_Enter_critical_section( &api->Join_List );
         _Thread_queue_Enqueue( &api->Join_List, WATCHDOG_NO_TIMEOUT );
-      }
-      _Thread_Enable_dispatch();
+        _Thread_Enable_dispatch();
 
-      if ( _Thread_Executing->Wait.return_code == EINTR )
-        goto on_EINTR;
+        if ( _Thread_Executing->Wait.return_code == EINTR )
+          goto on_EINTR;
+      }
 
       if ( value_ptr )
         *value_ptr = return_pointer;

diff -u rtems/cpukit/score/src/coretodmsecstoticks.c:1.1 rtems/cpukit/score/src/coretodmsecstoticks.c:1.1.2.1
--- rtems/cpukit/score/src/coretodmsecstoticks.c:1.1	Tue Dec 16 14:53:33 2008
+++ rtems/cpukit/score/src/coretodmsecstoticks.c	Thu Sep  1 13:24:57 2011
@@ -1,4 +1,4 @@
-/*  COPYRIGHT (c) 1989-2008.
+/*  COPYRIGHT (c) 1989-2011.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -21,5 +21,18 @@
   uint32_t milliseconds
 )
 {
-  return (milliseconds / rtems_configuration_get_milliseconds_per_tick());
+  uint32_t ticks;
+  uint32_t milliseconds_per_tick;
+
+  /**
+   *  We should ensure the ticks not be truncated by integer division.  We
+   *  need to have it be greater than or equal to the requested time.  It
+   *  should not be shorter.
+   */
+  milliseconds_per_tick = rtems_configuration_get_milliseconds_per_tick();
+  ticks                 = milliseconds / milliseconds_per_tick;
+  if ( (milliseconds % milliseconds_per_tick) != 0 )
+    ticks += 1;
+
+  return ticks;
 }

diff -u rtems/cpukit/score/src/coretodusectoticks.c:1.1 rtems/cpukit/score/src/coretodusectoticks.c:1.1.2.1
--- rtems/cpukit/score/src/coretodusectoticks.c:1.1	Tue Dec 16 14:53:34 2008
+++ rtems/cpukit/score/src/coretodusectoticks.c	Thu Sep  1 13:24:57 2011
@@ -1,4 +1,4 @@
-/*  COPYRIGHT (c) 1989-2008.
+/*  COPYRIGHT (c) 1989-2011.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -21,5 +21,18 @@
   uint32_t microseconds
 )
 {
-  return (microseconds / rtems_configuration_get_microseconds_per_tick());
+  uint32_t ticks;
+  uint32_t microseconds_per_tick;
+
+  /**
+   *  We should ensure the ticks not be truncated by integer division.  We
+   *  need to have it be greater than or equal to the requested time.  It
+   *  should not be shorter.
+   */
+  microseconds_per_tick = rtems_configuration_get_microseconds_per_tick();
+  ticks                 = microseconds / microseconds_per_tick;
+  if ( (microseconds % microseconds_per_tick) != 0 )
+    ticks += 1;
+
+  return ticks;
 }

diff -u rtems/cpukit/score/src/timespectoticks.c:1.3 rtems/cpukit/score/src/timespectoticks.c:1.3.2.1
--- rtems/cpukit/score/src/timespectoticks.c:1.3	Sun Nov 29 07:51:52 2009
+++ rtems/cpukit/score/src/timespectoticks.c	Thu Sep  1 13:24:57 2011
@@ -35,16 +35,22 @@
 )
 {
   uint32_t  ticks;
+  uint32_t  nanoseconds_per_tick;
 
   if ( (time->tv_sec == 0) && (time->tv_nsec == 0) )
     return 0;
 
-  ticks  = time->tv_sec * TOD_TICKS_PER_SECOND;
+  /**
+   *  We should ensure the ticks not be truncated by integer division.  We
+   *  need to have it be greater than or equal to the requested time.  It
+   *  should not be shorter.
+   */
+  ticks                 = time->tv_sec * TOD_TICKS_PER_SECOND;
+  nanoseconds_per_tick  = rtems_configuration_get_nanoseconds_per_tick();
+  ticks                += time->tv_nsec / nanoseconds_per_tick;
 
-  ticks += time->tv_nsec / rtems_configuration_get_nanoseconds_per_tick();
+  if ( (time->tv_nsec % nanoseconds_per_tick) != 0 )
+    ticks += 1;
 
-  if (ticks)
-    return ticks;
-
-  return 1;
+  return ticks;
 }



--

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