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SUBROUTINE sla_WAIT (DELAY)
*+
* - - - - -
* W A I T
* - - - - -
*
* Interval wait
*
* !!! PC only - Microsoft Fortran specific !!!
*
* Given:
* DELAY real delay in seconds
*
* A delay of up to 10000 seconds occurs.
*
* Called: GETTIM (Microsoft Fortran run-time library)
*
* P.T.Wallace Starlink 14 October 1991
*
* Copyright (C) 1995 Rutherford Appleton Laboratory
*
* License:
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see SLA_CONDITIONS); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
*-
IMPLICIT NONE
REAL DELAY
INTEGER IDELAY,IH,IM,IS,I,IT,IT0,IDT
LOGICAL FIRST,LOOP
* Convert requested delay to 0.01 second ticks
IDELAY=NINT(MAX(MIN(DELAY,1E4),0.0)*1E2)
* Set "note start time" flag
FIRST=.TRUE.
* Set "wait in progress" flag
LOOP=.TRUE.
* Main loop
DO WHILE (LOOP)
* Get the current time and convert to 0.01 second ticks
CALL GETTIM(IH,IM,IS,I)
IT=((IH*60+IM)*60+IS)*100+I
* First time through the loop?
IF (FIRST) THEN
* Yes: note the time and reset the flag
IT0=IT
FIRST=.FALSE.
ELSE
* No: subtract the start time, handling 0 hours wrap
IDT=IT-IT0
IF (IDT.LT.0) IDT=IDT+8640000
* If the requested delay has elapsed, stop looping
LOOP=IDT.LT.IDELAY
END IF
END DO
END
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