kopia lustrzana https://gitlab.com/sane-project/backends
61 wiersze
1.6 KiB
C
61 wiersze
1.6 KiB
C
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/* Copyright (C) 1992 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <config.h>
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#ifndef HAVE_USLEEP
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#include <sys/types.h>
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#ifdef HAVE_SYS_SELECT_H
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# include <sys/select.h>
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#endif
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#ifdef apollo
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# include <apollo/base.h>
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# include <apollo/time.h>
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static time_$clock_t DomainTime100mS =
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{
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0, 100000/4
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};
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static status_$t DomainStatus;
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#endif
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/* Sleep USECONDS microseconds, or until a previously set timer goes off. */
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unsigned int
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usleep (unsigned int useconds)
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{
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#ifdef apollo
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/* The usleep function does not work under the SYS5.3 environment.
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Use the Domain/OS time_$wait call instead. */
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time_$wait (time_$relative, DomainTime100mS, &DomainStatus);
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#else
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struct timeval delay;
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delay.tv_sec = 0;
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delay.tv_usec = useconds;
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select (0, 0, 0, 0, &delay);
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return 0;
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#endif
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}
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#endif /* !HAVE_USLEEP */
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