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

1.1       root        1: /* getprio.c - getprio */
                      2: 
                      3: #include <conf.h>
                      4: #include <kernel.h>
                      5: #include <proc.h>
                      6: 
                      7: /*------------------------------------------------------------------------
                      8:  * getprio -- return the scheduling priority of a given process
                      9:  *------------------------------------------------------------------------
                     10:  */
                     11: SYSCALL getprio(pid)
                     12:        int     pid;
                     13: {
                     14:        struct  pentry  *pptr;
                     15:        PStype  ps;
                     16: 
                     17:        disable(ps);
                     18:        if (isbadpid(pid) || (pptr = &proctab[pid])->pstate == PRFREE) {
                     19:                restore(ps);
                     20:                return(SYSERR);
                     21:        }
                     22:        restore(ps);
                     23:        return(pptr->pprio);
                     24: }

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