<div dir="ltr"><div>Attached here are the testing logs for rtems-test for the leon3.</div><div><br></div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, 9 Aug 2021 at 01:14, Zacchaeus Leung <<a href="mailto:zakthertemsdev@gmail.com">zakthertemsdev@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">the timer_create() method can use CLOCK_MONOTONIC but there was  no test for this. Also it implements the functionality to<br>
create a CLOCK_MONOTONIC timer and gettime() .<br>
Closes #3888<br>
---<br>
 cpukit/include/rtems/posix/timer.h            |  1 +<br>
 cpukit/posix/src/psxtimercreate.c             |  3 +-<br>
 cpukit/posix/src/timergettime.c               | 50 ++++++++++++-------<br>
 testsuites/psxtests/psxtimer02/psxtimer.c     | 26 ++++++++++<br>
 testsuites/psxtests/psxtimer02/psxtimer02.scn |  6 +++<br>
 5 files changed, 66 insertions(+), 20 deletions(-)<br>
<br>
diff --git a/cpukit/include/rtems/posix/timer.h b/cpukit/include/rtems/posix/timer.h<br>
index bcbf07a65a..7ae089173a 100644<br>
--- a/cpukit/include/rtems/posix/timer.h<br>
+++ b/cpukit/include/rtems/posix/timer.h<br>
@@ -48,6 +48,7 @@ typedef struct {<br>
   uint32_t          ticks;      /* Number of ticks of the initialization */<br>
   uint32_t          overrun;    /* Number of expirations of the timer    */<br>
   struct timespec   time;       /* Time at which the timer was started   */<br>
+  clockid_t         clock_type; /* The type of timer */<br>
 } POSIX_Timer_Control;<br>
<br>
 /**<br>
diff --git a/cpukit/posix/src/psxtimercreate.c b/cpukit/posix/src/psxtimercreate.c<br>
index a63cf1d100..2b5a10140f 100644<br>
--- a/cpukit/posix/src/psxtimercreate.c<br>
+++ b/cpukit/posix/src/psxtimercreate.c<br>
@@ -40,7 +40,7 @@ int timer_create(<br>
 {<br>
   POSIX_Timer_Control *ptimer;<br>
<br>
-  if ( clock_id != CLOCK_REALTIME )<br>
+  if (  clock_id != CLOCK_REALTIME && clock_id != CLOCK_MONOTONIC )<br>
     rtems_set_errno_and_return_minus_one( EINVAL );<br>
<br>
   if ( !timerid )<br>
@@ -91,6 +91,7 @@ int timer_create(<br>
   ptimer->timer_data.it_value.tv_nsec    = 0;<br>
   ptimer->timer_data.it_interval.tv_sec  = 0;<br>
   ptimer->timer_data.it_interval.tv_nsec = 0;<br>
+  ptimer->clock_type = clock_id;<br>
<br>
   _Watchdog_Preinitialize( &ptimer->Timer, _Per_CPU_Get_snapshot() );<br>
   _Watchdog_Initialize( &ptimer->Timer, _POSIX_Timer_TSR );<br>
diff --git a/cpukit/posix/src/timergettime.c b/cpukit/posix/src/timergettime.c<br>
index ee2a566f0e..2ad841d517 100644<br>
--- a/cpukit/posix/src/timergettime.c<br>
+++ b/cpukit/posix/src/timergettime.c<br>
@@ -28,6 +28,7 @@<br>
 #include <rtems/score/todimpl.h><br>
 #include <rtems/score/watchdogimpl.h><br>
 #include <rtems/seterr.h><br>
+#include <rtems/timespec.h><br>
<br>
 /*<br>
  *          - When a timer is initialized, the value of the time in<br>
@@ -39,35 +40,46 @@<br>
 int timer_gettime(<br>
   timer_t            timerid,<br>
   struct itimerspec *value<br>
) <br>
 {<br>
   POSIX_Timer_Control *ptimer;<br>
-  ISR_lock_Context     lock_context;<br>
-  uint64_t             now;<br>
-  uint32_t             remaining;<br>
+  ISR_lock_Context lock_context;<br>
+  Per_CPU_Control *cpu;<br>
+  struct timespec now;<br>
+  struct timespec expire;<br>
+  struct timespec result;<br>
<br>
   if ( !value )<br>
     rtems_set_errno_and_return_minus_one( EINVAL );<br>
<br>
   ptimer = _POSIX_Timer_Get( timerid, &lock_context );<br>
-  if ( ptimer != NULL ) {<br>
-    Per_CPU_Control *cpu;<br>
+  if ( ptimer == NULL ) {<br>
+    rtems_set_errno_and_return_minus_one( EINVAL );<br>
+  }<br>
<br>
-    cpu = _POSIX_Timer_Acquire_critical( ptimer, &lock_context );<br>
-    now = cpu->Watchdog.ticks;<br>
+  cpu = _POSIX_Timer_Acquire_critical( ptimer, &lock_context );<br>
+  rtems_timespec_from_ticks( ptimer->Timer.expire, &expire );<br>
<br>
-    if ( now < ptimer->Timer.expire ) {<br>
-      remaining = (uint32_t) ( ptimer->Timer.expire - now );<br>
-    } else {<br>
-      remaining = 0;<br>
-    }<br>
+  if ( ptimer->clock_type == CLOCK_MONOTONIC ) {<br>
+  _Timecounter_Nanouptime(&now);<br>
+  } else  if ( ptimer->clock_type == CLOCK_REALTIME ) {<br>
+    _TOD_Get(&now);<br>
+  } else {<br>
+  _POSIX_Timer_Release( cpu, &lock_context );   <br>
+  rtems_set_errno_and_return_minus_one( EINVAL );<br>
+  }<br>
<br>
-    _Timespec_From_ticks( remaining, &value->it_value );<br>
-    value->it_interval = ptimer->timer_data.it_interval;<br>
<br>
-    _POSIX_Timer_Release( cpu, &lock_context );<br>
-    return 0;<br>
+ if ( rtems_timespec_less_than( &now, &expire ) ) {<br>
+      rtems_timespec_subtract( &now, &expire, &result );<br>
+  } else {<br>
+      result.tv_nsec = 0;<br>
+      result.tv_sec  = 0;<br>
   }<br>
-<br>
-  rtems_set_errno_and_return_minus_one( EINVAL );<br>
+  <br>
+  value->it_value = result;<br>
+  value->it_interval = ptimer->timer_data.it_interval;<br>
+  <br>
+  _POSIX_Timer_Release( cpu, &lock_context );<br>
+  return 0;<br>
 }<br>
diff --git a/testsuites/psxtests/psxtimer02/psxtimer.c b/testsuites/psxtests/psxtimer02/psxtimer.c<br>
index 9f79d33c42..1a79369efb 100644<br>
--- a/testsuites/psxtests/psxtimer02/psxtimer.c<br>
+++ b/testsuites/psxtests/psxtimer02/psxtimer.c<br>
@@ -126,6 +126,32 @@ void *POSIX_Init (<br>
   puts( "timer_delete - bad id - EINVAL" );<br>
   status = timer_delete( timer );<br>
   fatal_posix_service_status_errno( status, EINVAL, "bad id" );<br>
+  <br>
+  puts( "timer_create (monotonic) - bad timer id pointer - EINVAL" );<br>
+  status = timer_create( CLOCK_MONOTONIC, &event, NULL );<br>
+  fatal_posix_service_status_errno( status, EINVAL, "bad timer id" );<br>
+<br>
+  puts( "timer_create (monotonic) - OK" );<br>
+  status = timer_create( CLOCK_MONOTONIC, NULL, &timer );<br>
+  posix_service_failed( status, "timer_create OK" );<br>
+<br>
+  puts( "timer_create (monotonic) - too many - EAGAIN" );<br>
+  status = timer_create( CLOCK_MONOTONIC, NULL, &timer1 );<br>
+  fatal_posix_service_status_errno( status, EAGAIN, "too many" );<br>
+  <br>
+  clock_gettime( CLOCK_MONOTONIC, &now );<br>
+  itimer.it_value = now;<br>
+  itimer.it_value.tv_sec = itimer.it_value.tv_sec - 1;<br>
+  puts( "timer_settime (monotonic) - bad itimer value - previous time - EINVAL" );<br>
+  status = timer_settime( timer, TIMER_ABSTIME, &itimer, NULL );<br>
+  fatal_posix_service_status_errno( status, EINVAL, "bad itimer value #3" );<br>
+<br>
+  clock_gettime( CLOCK_MONOTONIC, &now );<br>
+  itimer.it_value = now;<br>
+  itimer.it_value.tv_sec = itimer.it_value.tv_sec + 1;<br>
+  puts( "timer_settime (monotonic) - bad id - EINVAL" );<br>
+  status = timer_settime( timer1, TIMER_ABSTIME, &itimer, NULL );<br>
+  fatal_posix_service_status_errno( status, EINVAL, "bad id" );<br>
<br>
   TEST_END();<br>
   rtems_test_exit (0);<br>
diff --git a/testsuites/psxtests/psxtimer02/psxtimer02.scn b/testsuites/psxtests/psxtimer02/psxtimer02.scn<br>
index e78425a32e..995bcda4e3 100644<br>
--- a/testsuites/psxtests/psxtimer02/psxtimer02.scn<br>
+++ b/testsuites/psxtests/psxtimer02/psxtimer02.scn<br>
@@ -13,4 +13,10 @@ timer_settime - bad itimer value - negative nanosecond - EINVAL<br>
 timer_settime - bad clock value - EINVAL<br>
 timer_delete - OK<br>
 timer_delete - bad id - EINVAL<br>
+timer_create (monotonic) - bad timer id pointer - EINVAL<br>
+timer_create (monotonic) - OK<br>
+timer_create (monotonic) - too many - EAGAIN<br>
+timer_settime (monotonic) - bad itimer value - previous time - EINVAL<br>
+timer_settime (monotonic) - bad id - EINVAL<br>
+<br>
 *** END OF POSIX Timers Test 02 ***<br>
-- <br>
2.32.0<br>
<br>
</blockquote></div>