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Annotation of Gnu-Mach/kern/time_stamp.c, revision 1.1.1.4

1.1.1.2   root        1: /*
1.1       root        2:  * Mach Operating System
                      3:  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
                      4:  * All Rights Reserved.
1.1.1.2   root        5:  *
1.1       root        6:  * Permission to use, copy, modify and distribute this software and its
                      7:  * documentation is hereby granted, provided that both the copyright
                      8:  * notice and this permission notice appear in all copies of the
                      9:  * software, derivative works or modified versions, and any portions
                     10:  * thereof, and that both notices appear in supporting documentation.
1.1.1.2   root       11:  *
1.1       root       12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
                     14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
1.1.1.2   root       15:  *
1.1       root       16:  * Carnegie Mellon requests users of this software to return to
1.1.1.2   root       17:  *
1.1       root       18:  *  Software Distribution Coordinator  or  [email protected]
                     19:  *  School of Computer Science
                     20:  *  Carnegie Mellon University
                     21:  *  Pittsburgh PA 15213-3890
1.1.1.2   root       22:  *
1.1       root       23:  * any improvements or extensions that they make and grant Carnegie Mellon
                     24:  * the rights to redistribute these changes.
                     25:  */
                     26: 
                     27: #include <mach/std_types.h>
1.1.1.3   root       28: #include <machine/locore.h>
1.1       root       29: #include <sys/time.h>
                     30: #include <kern/time_stamp.h>
                     31: 
                     32: /*
                     33:  *     ts.c - kern_timestamp system call.
                     34:  */
                     35: kern_return_t
1.1.1.4 ! root       36: kern_timestamp(struct tsval *tsp)
1.1       root       37: {
                     38: /*
                     39:        temp.low_val = 0;
                     40:        temp.high_val = ts_tick_count;
                     41: */
                     42:        time_value_t temp;
                     43:        temp = time;
                     44: 
1.1.1.4 ! root       45:        if (copyout(&temp,
        !            46:                    tsp,
1.1       root       47:                    sizeof(struct tsval)) != KERN_SUCCESS)
                     48:            return(KERN_INVALID_ADDRESS);
                     49:        return(KERN_SUCCESS);
                     50: }
                     51: 
                     52: /*
                     53:  *     Initialization procedure.
                     54:  */
                     55: 
1.1.1.4 ! root       56: void timestamp_init(void)
1.1       root       57: {
                     58:        ts_tick_count = 0;
                     59: }

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