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

1.1       root        1: /* pdelete.c - pdelete */
                      2: 
                      3: #include <conf.h>
                      4: #include <kernel.h>
                      5: #include <mark.h>
                      6: #include <ports.h>
                      7: 
                      8: /*------------------------------------------------------------------------
                      9:  *  pdelete  --  delete a port, freeing waiting processes and messages
                     10:  *------------------------------------------------------------------------
                     11:  */
                     12: SYSCALL        pdelete(portid, dispose)
                     13:        int     portid;
                     14:        int     (*dispose)();
                     15: {
                     16:        PStype  ps;
                     17:        struct  pt *ptptr;
                     18: 
                     19:        disable(ps);
                     20:        if ( isbadport(portid) ||
                     21: #ifdef MEMMARK
                     22:             unmarked(ptmark) ||
                     23: #endif
                     24:             (ptptr= &ports[portid])->ptstate != PTALLOC ) {
                     25:                restore(ps);
                     26:                return(SYSERR);
                     27:        }
                     28:        _ptclear(ptptr, PTFREE, dispose);
                     29:        restore(ps);
                     30:        return(OK);
                     31: }

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