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Annotation of xinu/sys/sleep10.c, revision 1.1.1.1

1.1       root        1: /* sleep10.c - sleep10 */
                      2: 
                      3: #include <conf.h>
                      4: #include <kernel.h>
                      5: #include <proc.h>
                      6: #include <q.h>
                      7: #include <sleep.h>
                      8: 
                      9: /*------------------------------------------------------------------------
                     10:  * sleep10  --  delay the caller for a time specified in tenths of seconds
                     11:  *------------------------------------------------------------------------
                     12:  */
                     13: SYSCALL        sleep10(n)
                     14:        int n;
                     15: {
                     16:        PStype ps;
                     17: 
                     18:        if (n < 0  || clkruns==0)
                     19:                return(SYSERR);
                     20:         disable(ps);
                     21:        if (n == 0) {                   /* sleep10(0) -> end time slice */
                     22:                ;
                     23:        } else {
                     24:                insertd(currpid,clockq,n);
                     25:                slnempty = TRUE;
                     26:                sltop = (short *) & q[q[clockq].qnext].qkey;
                     27:                proctab[currpid].pstate = PRSLEEP;
                     28:        }
                     29:        resched();
                     30:         restore(ps);
                     31:        return(OK);
                     32: }

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