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Annotation of researchv9/jerq/src/lib/sys/wait.c, revision 1.1

1.1     ! root        1: #include <jerq.h>
        !             2: #include "queue.h"
        !             3: own(){
        !             4:        register got=MOUSE|SEND|CPU;
        !             5:        if(KBDQUEUE.c_cc>0)
        !             6:                got|=KBD;
        !             7:        if(RCVQUEUE.c_cc>0)
        !             8:                got|=RCV;
        !             9:        return got;
        !            10: }
        !            11: wait(r){
        !            12:        register u;
        !            13:        do; while((u=(own()&r))==0);
        !            14:        return u;
        !            15: }

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