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-rw-r--r--cpukit/posix/src/time.c390
1 files changed, 0 insertions, 390 deletions
diff --git a/cpukit/posix/src/time.c b/cpukit/posix/src/time.c
deleted file mode 100644
index f184f200e8..0000000000
--- a/cpukit/posix/src/time.c
+++ /dev/null
@@ -1,390 +0,0 @@
-/*
- * $Id$
- */
-
-#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;
-}
-
-/*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;
-
- return ticks;
-}
-
-/*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
- */
-
-time_t time(
- time_t *tloc
-)
-{
- time_t seconds_since_epoch;
-
- /*
- * No error is the time of day is not set. For RTEMS the system time
- * starts out at the rtems epoch.
- */
-
- /*
- * Internally the RTEMS epoch is 1988. This must be taken into account.
- */
-
- seconds_since_epoch = _TOD_Seconds_since_epoch;
-
- seconds_since_epoch += POSIX_TIME_SECONDS_1970_THROUGH_1988;
-
- if ( tloc )
- *tloc = seconds_since_epoch;
-
- return seconds_since_epoch;
-}
-
-/*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_Yield_processor();
- _Thread_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();
-}
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