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Diffstat (limited to '')
-rw-r--r-- | cpukit/score/src/coretodabsolutetimeout.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/cpukit/score/src/coretodabsolutetimeout.c b/cpukit/score/src/coretodabsolutetimeout.c deleted file mode 100644 index d67b7c33c7..0000000000 --- a/cpukit/score/src/coretodabsolutetimeout.c +++ /dev/null @@ -1,82 +0,0 @@ -/** - * @file - * - * @brief Convert Absolute Timeout to Ticks - * @ingroup ScoreTOD - */ - -/* - * COPYRIGHT (c) 1989-2008. - * 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.org/license/LICENSE. - */ - -#if HAVE_CONFIG_H -#include "config.h" -#endif - -#include <rtems/score/todimpl.h> - -/* - * The abstime is a walltime. We turn it into an interval. - */ -TOD_Absolute_timeout_conversion_results _TOD_Absolute_timeout_to_ticks( - const struct timespec *abstime, - clockid_t clock, - Watchdog_Interval *ticks_out -) -{ - struct timespec current_time; - struct timespec difference; - - /* - * Make sure there is always a value returned. - */ - *ticks_out = 0; - - /* - * Is the absolute time even valid? - */ - if ( !_Timespec_Is_valid(abstime) ) - return TOD_ABSOLUTE_TIMEOUT_INVALID; - - /* - * Is the absolute time in the past? - */ - if ( clock == CLOCK_REALTIME ) { - _TOD_Get( ¤t_time ); - } else { - _Assert( clock == CLOCK_MONOTONIC ); - _TOD_Get_zero_based_uptime_as_timespec( ¤t_time ); - } - - if ( _Timespec_Less_than( abstime, ¤t_time ) ) - return TOD_ABSOLUTE_TIMEOUT_IS_IN_PAST; - - /* - * How long until the requested absolute time? - */ - _Timespec_Subtract( ¤t_time, abstime, &difference ); - - /* - * Internally the SuperCore uses ticks, so convert to them. - */ - *ticks_out = _Timespec_To_ticks( &difference ); - - /* - * If the difference was 0, then the future is now. It is so bright - * we better wear shades. - */ - if ( !*ticks_out ) - return TOD_ABSOLUTE_TIMEOUT_IS_NOW; - - /* - * This is the case we were expecting and it took this long to - * get here. - */ - return TOD_ABSOLUTE_TIMEOUT_IS_IN_FUTURE; -} - |