97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2003 Sanchez Computer Associates, Inc. *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#ifdef VMS
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#include <ssdef.h>
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#include "efn.h"
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#include "timedef.h"
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#endif
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#include "arit.h"
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#include "gt_timer.h"
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#include "mvalconv.h"
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#include "op.h"
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#include "outofband.h"
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#include "rel_quant.h"
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GBLREF int4 outofband;
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/*
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* ------------------------------------------
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* Hang the process for a specified time.
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*
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* Goes to sleep for a positive value.
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* Any caught signal will terminate the sleep
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* following the execution of that signal's catching routine.
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*
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* Arguments:
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* num - time to sleep
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*
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* Return:
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* none
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* ------------------------------------------
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*/
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void op_hang(mval* num)
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{
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int ms;
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#ifdef VMS
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uint4 time[2];
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int4 efn_mask, status;
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error_def(ERR_SYSCALL);
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#endif
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ms = 0;
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MV_FORCE_NUM(num);
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if (num->mvtype & MV_INT)
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{
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if (0 < num->m[1])
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{
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assert(MV_BIAS >= 1000); /* if formats change overflow may need attention */
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ms = num->m[1] * (1000 / MV_BIAS);
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}
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} else if (0 == num->sgn) /* if sign is not 0 it means num is negative */
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ms = mval2i(num) * 1000; /* too big to care about fractional amounts */
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if (ms)
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{
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UNIX_ONLY(hiber_start(ms);)
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VMS_ONLY(
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time[0] = -time_low_ms(ms);
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time[1] = -time_high_ms(ms) - 1;
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efn_mask = (1 << efn_outofband | 1 << efn_timer);
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if (SS$_NORMAL != (status = sys$setimr(efn_timer, &time, NULL, &time, 0)))
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rts_error(VARLSTCNT(8) ERR_SYSCALL, 5, RTS_ERROR_LITERAL("$setimr"), CALLFROM, status);
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if (SS$_NORMAL != (status = sys$wflor(efn_outofband, efn_mask)))
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rts_error(VARLSTCNT(8) ERR_SYSCALL, 5, RTS_ERROR_LITERAL("$wflor"), CALLFROM, status);
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)
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if (outofband)
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{
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VMS_ONLY(
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if (SS$_WASCLR == (status = sys$readef(efn_timer, &efn_mask)))
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{
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if (SS$_NORMAL != (status = sys$cantim(&time, 0)))
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rts_error(VARLSTCNT(8) ERR_SYSCALL, 5, RTS_ERROR_LITERAL("$cantim"), CALLFROM,
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status);
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}
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else if (SS$_WASSET != status)
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GTMASSERT;
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)
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outofband_action(FALSE);
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}
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} else
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{
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rel_quant();
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if (outofband)
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outofband_action(FALSE);
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}
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return;
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}
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