מערכת ההפעלה XINU

struct pentry {

       char   pstate;              /* process state: PRCURR, etc.    */

       int    pprio;               /* process priority               */

       int    psem;                /* semaphore if process waiting   */

       int    pmsg;                /* message sent to this process   */

       int    phasmsg;             /* nonzero if pmsg is valid */

       char   *pregs;              /* saved environment       */

       char   *pbase;              /* base of run time stack         */

       word   plen;                /* stack length      in bytes      */

       char   pname[PNMLEN+1];     /* process name                   */

       int    pargs;               /* initial number of arguments    */

       int    (*paddr)();          /* initial code address           */

};