diff options
Diffstat (limited to 'lib/usleep.c')
-rw-r--r-- | lib/usleep.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/lib/usleep.c b/lib/usleep.c new file mode 100644 index 0000000..e4ef453 --- /dev/null +++ b/lib/usleep.c @@ -0,0 +1,60 @@ +/* Copyright (C) 1992 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include "../include/sane/config.h" + +#ifndef HAVE_USLEEP + +#include <sys/types.h> +#ifdef HAVE_SYS_TIME_H +# include <sys/time.h> +#endif + +#ifdef HAVE_SYS_SELECT_H +# include <sys/select.h> +#endif + +#ifdef apollo +# include <apollo/base.h> +# include <apollo/time.h> + static time_$clock_t DomainTime100mS = + { + 0, 100000/4 + }; + static status_$t DomainStatus; +#endif + +/* Sleep USECONDS microseconds, or until a previously set timer goes off. */ +unsigned int +usleep (unsigned int useconds) +{ +#ifdef apollo + /* The usleep function does not work under the SYS5.3 environment. + Use the Domain/OS time_$wait call instead. */ + time_$wait (time_$relative, DomainTime100mS, &DomainStatus); +#else + struct timeval delay; + + delay.tv_sec = 0; + delay.tv_usec = useconds; + select (0, 0, 0, 0, &delay); + return 0; +#endif +} + +#endif /* !HAVE_USLEEP */ |