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

1.1       root        1: /* udpnxtp.c - udpnxtp */
                      2: 
                      3: #include <conf.h>
                      4: #include <kernel.h>
                      5: #include <network.h>
                      6: 
                      7: /*------------------------------------------------------------------------
                      8:  *  udpnxtp  -  return the next available UDP local "port" number
                      9:  *------------------------------------------------------------------------
                     10:  */
                     11: udpnxtp()
                     12: {
                     13:        int     i;
                     14:        int     try;
                     15:        Bool    inuse;
                     16:        struct  netq    *nqptr;
                     17:        PStype  ps;
                     18: 
                     19:        disable(ps);
                     20:        for (inuse=TRUE ; inuse ; ) {
                     21:                inuse = FALSE;
                     22:                try = Net.nxtprt++;
                     23:                for (i=0 ; i<NETQS ; i++)
                     24:                         if ( (nqptr= &Net.netqs[i])->valid &&
                     25:                                nqptr->uport == try) {
                     26:                                inuse = TRUE;
                     27:                                break;
                     28:                        }
                     29:        }
                     30:        restore(ps);
                     31:        return(try);
                     32: }

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