Split time.c into multiple files.

14 files changed, 578 insertions, 366 deletions

diff --git a/c/src/exec/posix/src/Makefile.in b/c/src/exec/posix/src/Makefile.in
index 55c1283afa..9a791dc7a7 100644
--- a/c/src/exec/posix/src/Makefile.in
+++ b/c/src/exec/posix/src/Makefile.in
@@ -62,11 +62,15 @@ SEMAPHORE_C_PIECES= semaphore semaphorecreatesupp semaphoredeletesupp \
     semgetvalue seminit semopen sempost semtimedwait semtrywait \
     semunlink semwait
 
+TIME_C_PIECES= time posixtimespecsubtract posixtimespectointerval \
+    posixintervaltotimespec clockgetcpuclockid clockgetenableattr \
+    clockgetres clockgettime clocksetenableattr clocksettime nanosleep
+
 C_PIECES = adasupp $(CONDITION_VARIABLE_C_PIECES) \
     getpid key $(MESSAGE_QUEUE_C_PIECES) \
     $(MUTEX_C_PIECES) $(PTHREAD_C_PIECES) \
     $(PSIGNAL_C_PIECES) ptimer sched $(SEMAPHORE_C_PIECES) \
-    time types unistd $(ENOSYS_C_PIECES) \
+    $(TIME_C_PIECES) types unistd $(ENOSYS_C_PIECES) \
     $(BUILD_FOR_NOW_C_PIECES)
 
 C_FILES = $(C_PIECES:%=%.c)
diff --git a/c/src/exec/posix/src/clockgetcpuclockid.c b/c/src/exec/posix/src/clockgetcpuclockid.c
new file mode 100644
index 0000000000..fc0a3535b0
--- /dev/null
+++ b/c/src/exec/posix/src/clockgetcpuclockid.c
@@ -0,0 +1,28 @@
+/*
+ *  $Id$
+ */
+
+#include <assert.h>
+#include <time.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+
+#include <rtems/posix/seterr.h>
+#include <rtems/posix/time.h>
+
+/*PAGE
+ *
+ *  20.1.3 Accessing a Process CPU-time CLock, P1003.4b/D8, p. 55
+ */
+
+int clock_getcpuclockid(
+  pid_t      pid,
+  clockid_t *clock_id
+)
+{
+  return POSIX_NOT_IMPLEMENTED();
+}
diff --git a/c/src/exec/posix/src/clockgetenableattr.c b/c/src/exec/posix/src/clockgetenableattr.c
new file mode 100644
index 0000000000..6a7d9c1c46
--- /dev/null
+++ b/c/src/exec/posix/src/clockgetenableattr.c
@@ -0,0 +1,28 @@
+/*
+ *  $Id$
+ */
+
+#include <assert.h>
+#include <time.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+
+#include <rtems/posix/seterr.h>
+#include <rtems/posix/time.h>
+
+/*PAGE
+ *
+ *  20.1.5 CPU-time Clock Attribute Access, P1003.4b/D8, p. 58
+ */
+
+int clock_getenable_attr(
+  clockid_t    clock_id,
+  int         *attr
+)
+{
+  return POSIX_NOT_IMPLEMENTED();
+}
diff --git a/c/src/exec/posix/src/clockgetres.c b/c/src/exec/posix/src/clockgetres.c
new file mode 100644
index 0000000000..3be3439cdb
--- /dev/null
+++ b/c/src/exec/posix/src/clockgetres.c
@@ -0,0 +1,48 @@
+/*
+ *  $Id$
+ */
+
+#include <assert.h>
+#include <time.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+
+#include <rtems/posix/seterr.h>
+#include <rtems/posix/time.h>
+
+/*PAGE
+ *
+ *  14.2.1 Clocks, P1003.1b-1993, p. 263
+ */
+
+int clock_getres(
+  clockid_t        clock_id,
+  struct timespec *res
+)
+{
+  if ( !res )
+    set_errno_and_return_minus_one( EINVAL );
+ 
+  switch ( clock_id ) {
+ 
+    /*
+     *  All time in rtems is based on the same clock tick.
+     */
+
+    case CLOCK_REALTIME:
+    case CLOCK_PROCESS_CPUTIME:
+    case CLOCK_THREAD_CPUTIME:
+      if ( res )
+        _POSIX_Interval_to_timespec( _TOD_Microseconds_per_tick, res ); 
+      break;
+ 
+    default:
+      set_errno_and_return_minus_one( EINVAL );
+ 
+  }
+  return 0;
+}
diff --git a/c/src/exec/posix/src/clockgettime.c b/c/src/exec/posix/src/clockgettime.c
new file mode 100644
index 0000000000..806a29caa3
--- /dev/null
+++ b/c/src/exec/posix/src/clockgettime.c
@@ -0,0 +1,65 @@
+/*
+ *  $Id$
+ */
+
+#include <assert.h>
+#include <time.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+
+#include <rtems/posix/seterr.h>
+#include <rtems/posix/time.h>
+
+/*PAGE
+ *
+ *  14.2.1 Clocks, P1003.1b-1993, p. 263
+ */
+
+int clock_gettime(
+  clockid_t        clock_id,
+  struct timespec *tp
+)
+{
+  ISR_Level      level;
+  time_t         seconds;
+  long           ticks;
+
+  if ( !tp )
+    set_errno_and_return_minus_one( EINVAL );
+
+  switch ( clock_id ) {
+
+    case CLOCK_REALTIME:
+ 
+      _ISR_Disable( level );
+        seconds = _TOD_Seconds_since_epoch;
+        ticks   = _TOD_Current.ticks;
+      _ISR_Enable( level );
+ 
+      tp->tv_sec  = seconds + POSIX_TIME_SECONDS_1970_THROUGH_1988;
+      tp->tv_nsec = ticks * _TOD_Microseconds_per_tick * 
+                      TOD_NANOSECONDS_PER_MICROSECOND; 
+      break;
+
+#ifdef _POSIX_CPUTIME
+    case CLOCK_PROCESS_CPUTIME:
+      /* don't base this on _Watchdog_Ticks_since_boot--duration is too short*/
+      return POSIX_NOT_IMPLEMENTED();
+      break;
+#endif
+
+#ifdef _POSIX_THREAD_CPUTIME
+    case CLOCK_THREAD_CPUTIME:
+      return POSIX_NOT_IMPLEMENTED();
+      break;
+#endif
+    default:
+      set_errno_and_return_minus_one( EINVAL );
+
+  }
+  return 0;
+}
diff --git a/c/src/exec/posix/src/clocksetenableattr.c b/c/src/exec/posix/src/clocksetenableattr.c
new file mode 100644
index 0000000000..2ee5a4ef25
--- /dev/null
+++ b/c/src/exec/posix/src/clocksetenableattr.c
@@ -0,0 +1,28 @@
+/*
+ *  $Id$
+ */
+
+#include <assert.h>
+#include <time.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+
+#include <rtems/posix/seterr.h>
+#include <rtems/posix/time.h>
+
+/*PAGE
+ *
+ *  20.1.5 CPU-time Clock Attribute Access, P1003.4b/D8, p. 58
+ */
+
+int clock_setenable_attr(
+  clockid_t    clock_id,
+  int          attr
+)
+{
+  return POSIX_NOT_IMPLEMENTED();
+}
diff --git a/c/src/exec/posix/src/clocksettime.c b/c/src/exec/posix/src/clocksettime.c
new file mode 100644
index 0000000000..8157bdfda5
--- /dev/null
+++ b/c/src/exec/posix/src/clocksettime.c
@@ -0,0 +1,84 @@
+/*
+ *  $Id$
+ */
+
+#include <assert.h>
+#include <time.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+
+#include <rtems/posix/seterr.h>
+#include <rtems/posix/time.h>
+
+/*PAGE
+ *
+ *  14.2.1 Clocks, P1003.1b-1993, p. 263
+ */
+
+int clock_settime(
+  clockid_t              clock_id,
+  const struct timespec *tp
+)
+{
+  struct tm         split_time;
+  TOD_Control       tod;
+  Watchdog_Interval seconds;
+
+  assert( tp );
+
+  switch ( clock_id ) {
+ 
+    case CLOCK_REALTIME:
+      (void) gmtime_r( &tp->tv_sec, &split_time );
+ 
+      /*
+       *  Convert the tm structure format to that used by the TOD Handler
+       *
+       *  NOTE: TOD Handler does not honor leap seconds.
+       */
+
+      tod.year   = split_time.tm_year + 1900;  /* RHS is years since 1900 */
+      tod.month  = split_time.tm_mon + 1;      /* RHS uses 0-11 */
+      tod.day    = split_time.tm_mday;
+      tod.hour   = split_time.tm_hour;
+      tod.minute = split_time.tm_min;
+      tod.second = split_time.tm_sec;  /* RHS allows 0-61 for leap seconds */
+
+      tod.ticks  = (tp->tv_nsec / TOD_NANOSECONDS_PER_MICROSECOND) /
+                      _TOD_Microseconds_per_tick;
+
+      if ( !_TOD_Validate( &tod ) )
+        set_errno_and_return_minus_one( EINVAL );
+ 
+      /*
+       *  We can't use the tp->tv_sec field because it is based on 
+       *  a different EPOCH.
+       */
+
+      seconds = _TOD_To_seconds( &tod );
+      _Thread_Disable_dispatch();
+        _TOD_Set( &tod, seconds );
+      _Thread_Enable_dispatch();
+      break;
+ 
+#ifdef _POSIX_CPUTIME
+    case CLOCK_PROCESS_CPUTIME:
+      return POSIX_NOT_IMPLEMENTED();
+      break;
+#endif
+ 
+#ifdef _POSIX_THREAD_CPUTIME
+    case CLOCK_THREAD_CPUTIME:
+      return POSIX_NOT_IMPLEMENTED();
+      break;
+#endif
+    default:
+      set_errno_and_return_minus_one( EINVAL );
+ 
+  }
+  return 0;
+}
diff --git a/c/src/exec/posix/src/mutexgetprioceiling.c b/c/src/exec/posix/src/mutexgetprioceiling.c
index 63181e1764..81fdbeaa9d 100644
--- a/c/src/exec/posix/src/mutexgetprioceiling.c
+++ b/c/src/exec/posix/src/mutexgetprioceiling.c
@@ -18,17 +18,34 @@
 
 /*PAGE
  *
- *  13.6.1 Mutex Initialization Scheduling Attributes, P1003.1c/Draft 10, p. 128
+ *  13.6.2 Change the Priority Ceiling of a Mutex, P1003.1c/Draft 10, p. 131
  */
- 
-int pthread_mutexattr_getprioceiling(
-  const pthread_mutexattr_t   *attr,
-  int                         *prioceiling
+
+int pthread_mutex_getprioceiling(
+  pthread_mutex_t   *mutex,
+  int               *prioceiling
 )
 {
-  if ( !attr || !attr->is_initialized || !prioceiling )
+  register POSIX_Mutex_Control *the_mutex;
+  Objects_Locations             location;
+
+  if ( !prioceiling )
     return EINVAL;
 
-  *prioceiling = attr->prio_ceiling;
-  return 0;
+  the_mutex = _POSIX_Mutex_Get( mutex, &location );
+  switch ( location ) {
+    case OBJECTS_REMOTE:
+#if defined(RTEMS_MULTIPROCESSING)
+      return POSIX_MP_NOT_IMPLEMENTED();   /* XXX feels questionable */
+#endif
+    case OBJECTS_ERROR:
+      return EINVAL;
+    case OBJECTS_LOCAL:
+      *prioceiling = _POSIX_Priority_From_core(
+        the_mutex->Mutex.Attributes.priority_ceiling
+      );
+      _Thread_Enable_dispatch();
+      return 0;
+  }
+  return POSIX_BOTTOM_REACHED();
 }
diff --git a/c/src/exec/posix/src/mutexsetprioceiling.c b/c/src/exec/posix/src/mutexsetprioceiling.c
index 559d50852f..ff9229f5ec 100644
--- a/c/src/exec/posix/src/mutexsetprioceiling.c
+++ b/c/src/exec/posix/src/mutexsetprioceiling.c
@@ -18,20 +18,61 @@
 
 /*PAGE
  *
- *  13.6.1 Mutex Initialization Scheduling Attributes, P1003.1c/Draft 10, p. 128
+ *  13.6.2 Change the Priority Ceiling of a Mutex, P1003.1c/Draft 10, p. 131
  */
- 
-int pthread_mutexattr_setprioceiling(
-  pthread_mutexattr_t   *attr,
-  int                    prioceiling
+
+int pthread_mutex_setprioceiling(
+  pthread_mutex_t   *mutex,
+  int                prioceiling,
+  int               *old_ceiling
 )
 {
-  if ( !attr || !attr->is_initialized )
+  register POSIX_Mutex_Control *the_mutex;
+  Objects_Locations             location;
+  Priority_Control              the_priority;
+  int                           status;
+
+  if ( !old_ceiling )
     return EINVAL;
 
   if ( !_POSIX_Priority_Is_valid( prioceiling ) )
     return EINVAL;
 
-  attr->prio_ceiling = prioceiling;
-  return 0;
+  the_priority = _POSIX_Priority_To_core( prioceiling );
+
+  /*
+   *  Must acquire the mutex before we can change it's ceiling
+   */
+
+  status = pthread_mutex_lock( mutex );
+  if ( status )
+    return status;
+
+  the_mutex = _POSIX_Mutex_Get( mutex, &location );
+  switch ( location ) {
+    case OBJECTS_REMOTE:
+#if defined(RTEMS_MULTIPROCESSING)
+      /*  XXX It feels questionable to set the ceiling on a remote mutex. */
+      return EINVAL;
+#endif
+    case OBJECTS_ERROR:
+      return EINVAL;        /* impossible to get here */
+    case OBJECTS_LOCAL:
+      *old_ceiling = _POSIX_Priority_From_core(
+        the_mutex->Mutex.Attributes.priority_ceiling
+      );
+      the_mutex->Mutex.Attributes.priority_ceiling = the_priority;
+      _CORE_mutex_Surrender(
+        &the_mutex->Mutex,
+        the_mutex->Object.id, 
+#if defined(RTEMS_MULTIPROCESSING)
+        POSIX_Threads_mutex_MP_support
+#else
+        NULL
+#endif
+      );
+      _Thread_Enable_dispatch();
+      return 0;
+  }
+  return POSIX_BOTTOM_REACHED();
 }
diff --git a/c/src/exec/posix/src/nanosleep.c b/c/src/exec/posix/src/nanosleep.c
new file mode 100644
index 0000000000..7930c016e5
--- /dev/null
+++ b/c/src/exec/posix/src/nanosleep.c
@@ -0,0 +1,100 @@
+/*
+ *  $Id$
+ */
+
+#include <assert.h>
+#include <time.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+
+#include <rtems/posix/seterr.h>
+#include <rtems/posix/time.h>
+
+/*PAGE
+ *
+ *  14.2.5 High Resolution Sleep, P1003.1b-1993, p. 269
+ */
+
+int nanosleep(
+  const struct timespec  *rqtp,
+  struct timespec        *rmtp
+)
+{
+  Watchdog_Interval  ticks;
+  struct timespec   *the_rqtp;
+
+  if ( !rqtp )
+    set_errno_and_return_minus_one( EINVAL );
+
+  the_rqtp = (struct timespec *)rqtp;
+
+  /*
+   *  Return EAGAIN if the delay interval is negative.  
+   *
+   *  NOTE:  This behavior is beyond the POSIX specification.  
+   *         FSU pthreads shares this behavior.
+   */
+
+  if ( the_rqtp->tv_sec < 0 )
+    the_rqtp->tv_sec = 0;
+
+  if ( /* the_rqtp->tv_sec < 0 || */ the_rqtp->tv_nsec < 0 )
+    set_errno_and_return_minus_one( EAGAIN );
+
+  if ( the_rqtp->tv_nsec >= TOD_NANOSECONDS_PER_SECOND )
+    set_errno_and_return_minus_one( EINVAL );
+ 
+  ticks = _POSIX_Timespec_to_interval( the_rqtp );
+
+  /*
+   *  This behavior is also beyond the POSIX specification but is
+   *  consistent with the RTEMS api and yields desirable behavior.
+   */
+
+  if ( !ticks ) {
+    _Thread_Disable_dispatch();
+      _Thread_Yield_processor();
+    _Thread_Enable_dispatch();
+    if ( rmtp ) {
+       rmtp->tv_sec = 0; 
+       rmtp->tv_nsec = 0; 
+    }
+    return 0;
+  }
+  
+  _Thread_Disable_dispatch();
+    _Thread_Set_state(
+      _Thread_Executing,
+      STATES_DELAYING | STATES_INTERRUPTIBLE_BY_SIGNAL
+    );
+    _Watchdog_Initialize(
+      &_Thread_Executing->Timer,
+      _Thread_Delay_ended,
+      _Thread_Executing->Object.id,
+      NULL
+    );
+    _Watchdog_Insert_ticks( &_Thread_Executing->Timer, ticks );
+  _Thread_Enable_dispatch();
+
+  /* calculate time remaining */
+
+  if ( rmtp ) {
+    ticks -= 
+      _Thread_Executing->Timer.stop_time - _Thread_Executing->Timer.start_time;
+
+    _POSIX_Interval_to_timespec( ticks, rmtp );
+
+    /*
+     *  If there is time remaining, then we were interrupted by a signal.
+     */
+
+    if ( ticks )
+      set_errno_and_return_minus_one( EINTR );
+  }
+
+  return 0;
+}
diff --git a/c/src/exec/posix/src/posixintervaltotimespec.c b/c/src/exec/posix/src/posixintervaltotimespec.c
new file mode 100644
index 0000000000..e5f883095b
--- /dev/null
+++ b/c/src/exec/posix/src/posixintervaltotimespec.c
@@ -0,0 +1,34 @@
+/*
+ *  $Id$
+ */
+
+#include <assert.h>
+#include <time.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+
+#include <rtems/posix/seterr.h>
+#include <rtems/posix/time.h>
+
+/*PAGE
+ *
+ *  _POSIX_Interval_to_timespec
+ */
+ 
+void _POSIX_Interval_to_timespec(
+  Watchdog_Interval  ticks,
+  struct timespec   *time
+)
+{
+  unsigned32  usecs;
+
+  usecs = ticks * _TOD_Microseconds_per_tick;
+
+  time->tv_sec  = usecs / TOD_MICROSECONDS_PER_SECOND;
+  time->tv_nsec = (usecs % TOD_MICROSECONDS_PER_SECOND) * 
+                    TOD_NANOSECONDS_PER_MICROSECOND;
+}
diff --git a/c/src/exec/posix/src/posixtimespecsubtract.c b/c/src/exec/posix/src/posixtimespecsubtract.c
new file mode 100644
index 0000000000..eb5e21d83a
--- /dev/null
+++ b/c/src/exec/posix/src/posixtimespecsubtract.c
@@ -0,0 +1,46 @@
+/*
+ *  $Id$
+ */
+
+#include <assert.h>
+#include <time.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+
+#include <rtems/posix/seterr.h>
+#include <rtems/posix/time.h>
+
+/*PAGE
+ *
+ *  _POSIX_Timespec_subtract
+ */
+
+void _POSIX_Timespec_subtract(
+  const struct timespec *the_start,
+  const struct timespec *end,
+  struct timespec *result
+)
+{
+  struct timespec  start_struct = *the_start;
+  struct timespec *start = &start_struct;
+  unsigned int nsecs_per_sec = TOD_NANOSECONDS_PER_SECOND;
+ 
+  if (end->tv_nsec < start->tv_nsec) {
+    int seconds = (start->tv_nsec - end->tv_nsec) / nsecs_per_sec + 1;
+    start->tv_nsec -= nsecs_per_sec * seconds;
+    start->tv_sec += seconds;
+  }
+ 
+  if (end->tv_nsec - start->tv_nsec > nsecs_per_sec) {
+    int seconds = (start->tv_nsec - end->tv_nsec) / nsecs_per_sec;
+    start->tv_nsec += nsecs_per_sec * seconds;
+    start->tv_sec -= seconds;
+  }
+ 
+  result->tv_sec  = end->tv_sec - start->tv_sec;
+  result->tv_nsec = end->tv_nsec - start->tv_nsec;
+}
diff --git a/c/src/exec/posix/src/posixtimespectointerval.c b/c/src/exec/posix/src/posixtimespectointerval.c
new file mode 100644
index 0000000000..388dd791eb
--- /dev/null
+++ b/c/src/exec/posix/src/posixtimespectointerval.c
@@ -0,0 +1,38 @@
+/*
+ *  $Id$
+ */
+
+#include <assert.h>
+#include <time.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+
+#include <rtems/posix/seterr.h>
+#include <rtems/posix/time.h>
+
+/*PAGE
+ *
+ *  _POSIX_Timespec_to_interval
+ */
+
+Watchdog_Interval _POSIX_Timespec_to_interval(
+  const struct timespec *time
+)
+{
+  Watchdog_Interval  ticks;
+
+  ticks  = (time->tv_sec * TOD_MICROSECONDS_PER_SECOND) / 
+             _TOD_Microseconds_per_tick;
+
+  ticks += (time->tv_nsec / TOD_NANOSECONDS_PER_MICROSECOND) / 
+             _TOD_Microseconds_per_tick;
+
+  if (ticks)
+    return ticks;
+
+  return 1;
+}
diff --git a/c/src/exec/posix/src/time.c b/c/src/exec/posix/src/time.c
index b4367fac4c..1eb96d5264 100644
--- a/c/src/exec/posix/src/time.c
+++ b/c/src/exec/posix/src/time.c
@@ -16,79 +16,6 @@
 
 /*PAGE
  *
- *  _POSIX_Timespec_subtract
- */
-
-void _POSIX_Timespec_subtract(
-  const struct timespec *the_start,
-  const struct timespec *end,
-  struct timespec *result
-)
-{
-  struct timespec  start_struct = *the_start;
-  struct timespec *start = &start_struct;
-  unsigned int nsecs_per_sec = TOD_NANOSECONDS_PER_SECOND;
- 
-  if (end->tv_nsec < start->tv_nsec) {
-    int seconds = (start->tv_nsec - end->tv_nsec) / nsecs_per_sec + 1;
-    start->tv_nsec -= nsecs_per_sec * seconds;
-    start->tv_sec += seconds;
-  }
- 
-  if (end->tv_nsec - start->tv_nsec > nsecs_per_sec) {
-    int seconds = (start->tv_nsec - end->tv_nsec) / nsecs_per_sec;
-    start->tv_nsec += nsecs_per_sec * seconds;
-    start->tv_sec -= seconds;
-  }
- 
-  result->tv_sec  = end->tv_sec - start->tv_sec;
-  result->tv_nsec = end->tv_nsec - start->tv_nsec;
-}
-
-/*PAGE
- *
- *  _POSIX_Timespec_to_interval
- */
-
-Watchdog_Interval _POSIX_Timespec_to_interval(
-  const struct timespec *time
-)
-{
-  Watchdog_Interval  ticks;
-
-  ticks  = (time->tv_sec * TOD_MICROSECONDS_PER_SECOND) / 
-             _TOD_Microseconds_per_tick;
-
-  ticks += (time->tv_nsec / TOD_NANOSECONDS_PER_MICROSECOND) / 
-             _TOD_Microseconds_per_tick;
-
-  if (ticks)
-    return ticks;
-
-  return 1;
-}
-
-/*PAGE
- *
- *  _POSIX_Interval_to_timespec
- */
- 
-void _POSIX_Interval_to_timespec(
-  Watchdog_Interval  ticks,
-  struct timespec   *time
-)
-{
-  unsigned32  usecs;
-
-  usecs = ticks * _TOD_Microseconds_per_tick;
-
-  time->tv_sec  = usecs / TOD_MICROSECONDS_PER_SECOND;
-  time->tv_nsec = (usecs % TOD_MICROSECONDS_PER_SECOND) * 
-                    TOD_NANOSECONDS_PER_MICROSECOND;
-}
-
-/*PAGE
- *
  *  4.5.1 Get System Time, P1003.1b-1993, p. 91
  */
 
@@ -119,279 +46,3 @@ time_t time(
   return seconds_since_epoch;
 }
 #endif
-
-/*PAGE
- *
- *  14.2.1 Clocks, P1003.1b-1993, p. 263
- */
-
-int clock_settime(
-  clockid_t              clock_id,
-  const struct timespec *tp
-)
-{
-  struct tm         split_time;
-  TOD_Control       tod;
-  Watchdog_Interval seconds;
-
-  assert( tp );
-
-  switch ( clock_id ) {
- 
-    case CLOCK_REALTIME:
-      (void) gmtime_r( &tp->tv_sec, &split_time );
- 
-      /*
-       *  Convert the tm structure format to that used by the TOD Handler
-       *
-       *  NOTE: TOD Handler does not honor leap seconds.
-       */
-
-      tod.year   = split_time.tm_year + 1900;  /* RHS is years since 1900 */
-      tod.month  = split_time.tm_mon + 1;      /* RHS uses 0-11 */
-      tod.day    = split_time.tm_mday;
-      tod.hour   = split_time.tm_hour;
-      tod.minute = split_time.tm_min;
-      tod.second = split_time.tm_sec;  /* RHS allows 0-61 for leap seconds */
-
-      tod.ticks  = (tp->tv_nsec / TOD_NANOSECONDS_PER_MICROSECOND) /
-                      _TOD_Microseconds_per_tick;
-
-      if ( !_TOD_Validate( &tod ) )
-        set_errno_and_return_minus_one( EINVAL );
- 
-      /*
-       *  We can't use the tp->tv_sec field because it is based on 
-       *  a different EPOCH.
-       */
-
-      seconds = _TOD_To_seconds( &tod );
-      _Thread_Disable_dispatch();
-        _TOD_Set( &tod, seconds );
-      _Thread_Enable_dispatch();
-      break;
- 
-#ifdef _POSIX_CPUTIME
-    case CLOCK_PROCESS_CPUTIME:
-      return POSIX_NOT_IMPLEMENTED();
-      break;
-#endif
- 
-#ifdef _POSIX_THREAD_CPUTIME
-    case CLOCK_THREAD_CPUTIME:
-      return POSIX_NOT_IMPLEMENTED();
-      break;
-#endif
-    default:
-      set_errno_and_return_minus_one( EINVAL );
- 
-  }
-  return 0;
-}
-
-/*PAGE
- *
- *  14.2.1 Clocks, P1003.1b-1993, p. 263
- */
-
-int clock_gettime(
-  clockid_t        clock_id,
-  struct timespec *tp
-)
-{
-  ISR_Level      level;
-  time_t         seconds;
-  long           ticks;
-
-  if ( !tp )
-    set_errno_and_return_minus_one( EINVAL );
-
-  switch ( clock_id ) {
-
-    case CLOCK_REALTIME:
- 
-      _ISR_Disable( level );
-        seconds = _TOD_Seconds_since_epoch;
-        ticks   = _TOD_Current.ticks;
-      _ISR_Enable( level );
- 
-      tp->tv_sec  = seconds + POSIX_TIME_SECONDS_1970_THROUGH_1988;
-      tp->tv_nsec = ticks * _TOD_Microseconds_per_tick * 
-                      TOD_NANOSECONDS_PER_MICROSECOND; 
-      break;
-
-#ifdef _POSIX_CPUTIME
-    case CLOCK_PROCESS_CPUTIME:
-      /* don't base this on _Watchdog_Ticks_since_boot--duration is too short*/
-      return POSIX_NOT_IMPLEMENTED();
-      break;
-#endif
-
-#ifdef _POSIX_THREAD_CPUTIME
-    case CLOCK_THREAD_CPUTIME:
-      return POSIX_NOT_IMPLEMENTED();
-      break;
-#endif
-    default:
-      set_errno_and_return_minus_one( EINVAL );
-
-  }
-  return 0;
-}
-
-/*PAGE
- *
- *  14.2.1 Clocks, P1003.1b-1993, p. 263
- */
-
-int clock_getres(
-  clockid_t        clock_id,
-  struct timespec *res
-)
-{
-  if ( !res )
-    set_errno_and_return_minus_one( EINVAL );
- 
-  switch ( clock_id ) {
- 
-    /*
-     *  All time in rtems is based on the same clock tick.
-     */
-
-    case CLOCK_REALTIME:
-    case CLOCK_PROCESS_CPUTIME:
-    case CLOCK_THREAD_CPUTIME:
-      if ( res )
-        _POSIX_Interval_to_timespec( _TOD_Microseconds_per_tick, res ); 
-      break;
- 
-    default:
-      set_errno_and_return_minus_one( EINVAL );
- 
-  }
-  return 0;
-}
-
-/*PAGE
- *
- *  14.2.5 High Resolution Sleep, P1003.1b-1993, p. 269
- */
-
-int nanosleep(
-  const struct timespec  *rqtp,
-  struct timespec        *rmtp
-)
-{
-  Watchdog_Interval  ticks;
-  struct timespec   *the_rqtp;
-
-  if ( !rqtp )
-    set_errno_and_return_minus_one( EINVAL );
-
-  the_rqtp = (struct timespec *)rqtp;
-
-  /*
-   *  Return EAGAIN if the delay interval is negative.  
-   *
-   *  NOTE:  This behavior is beyond the POSIX specification.  
-   *         FSU pthreads shares this behavior.
-   */
-
-  if ( the_rqtp->tv_sec < 0 )
-    the_rqtp->tv_sec = 0;
-
-  if ( /* the_rqtp->tv_sec < 0 || */ the_rqtp->tv_nsec < 0 )
-    set_errno_and_return_minus_one( EAGAIN );
-
-  if ( the_rqtp->tv_nsec >= TOD_NANOSECONDS_PER_SECOND )
-    set_errno_and_return_minus_one( EINVAL );
- 
-  ticks = _POSIX_Timespec_to_interval( the_rqtp );
-
-  /*
-   *  This behavior is also beyond the POSIX specification but is
-   *  consistent with the RTEMS api and yields desirable behavior.
-   */
-
-  if ( !ticks ) {
-    _Thread_Disable_dispatch();
-      _Thread_Yield_processor();
-    _Thread_Enable_dispatch();
-    if ( rmtp ) {
-       rmtp->tv_sec = 0; 
-       rmtp->tv_nsec = 0; 
-    }
-    return 0;
-  }
-  
-  _Thread_Disable_dispatch();
-    _Thread_Set_state(
-      _Thread_Executing,
-      STATES_DELAYING | STATES_INTERRUPTIBLE_BY_SIGNAL
-    );
-    _Watchdog_Initialize(
-      &_Thread_Executing->Timer,
-      _Thread_Delay_ended,
-      _Thread_Executing->Object.id,
-      NULL
-    );
-    _Watchdog_Insert_ticks( &_Thread_Executing->Timer, ticks );
-  _Thread_Enable_dispatch();
-
-  /* calculate time remaining */
-
-  if ( rmtp ) {
-    ticks -= 
-      _Thread_Executing->Timer.stop_time - _Thread_Executing->Timer.start_time;
-
-    _POSIX_Interval_to_timespec( ticks, rmtp );
-
-    /*
-     *  If there is time remaining, then we were interrupted by a signal.
-     */
-
-    if ( ticks )
-      set_errno_and_return_minus_one( EINTR );
-  }
-
-  return 0;
-}
-
-/*PAGE
- *
- *  20.1.3 Accessing a Process CPU-time CLock, P1003.4b/D8, p. 55
- */
-
-int clock_getcpuclockid(
-  pid_t      pid,
-  clockid_t *clock_id
-)
-{
-  return POSIX_NOT_IMPLEMENTED();
-}
-
-/*PAGE
- *
- *  20.1.5 CPU-time Clock Attribute Access, P1003.4b/D8, p. 58
- */
-
-int clock_setenable_attr(
-  clockid_t    clock_id,
-  int          attr
-)
-{
-  return POSIX_NOT_IMPLEMENTED();
-}
-
-/*PAGE
- *
- *  20.1.5 CPU-time Clock Attribute Access, P1003.4b/D8, p. 58
- */
-
-int clock_getenable_attr(
-  clockid_t    clock_id,
-  int         *attr
-)
-{
-  return POSIX_NOT_IMPLEMENTED();
-}