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Diffstat (limited to 'include/sys/time.h')
| -rw-r--r-- | include/sys/time.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/sys/time.h b/include/sys/time.h new file mode 100644 index 0000000..ab96678 --- /dev/null +++ b/include/sys/time.h @@ -0,0 +1,53 @@ +/* + * Mach Operating System + * Copyright (c) 1991 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon rights + * to redistribute these changes. + */ +/* + * Time-keeper for kernel IO devices. + * + * May or may not have any relation to wall-clock time. + */ + +#ifndef _MACH_SA_SYS_TIME_H_ +#define _MACH_SA_SYS_TIME_H_ + +#include <mach/time_value.h> + +extern time_value_t time; + +/* + * Definitions to keep old code happy. + */ +#define timeval_t time_value_t +#define timeval time_value +#define tv_sec seconds +#define tv_usec microseconds + +#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) +#define timercmp(tvp, uvp, cmp) \ + ((tvp)->tv_sec cmp (uvp)->tv_sec || \ + (tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec cmp (uvp)->tv_usec) +#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 + +#endif _MACH_SA_SYS_TIME_H_ |