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Annotation of 43BSDReno/contrib/isode-beta/psap2-lpp/psapselect.c, revision 1.1

1.1     ! root        1: /* psapselect.c - PPM: map descriptors */
        !             2: 
        !             3: #ifndef        lint
        !             4: static char *rcsid = "$Header: /f/osi/psap2-lpp/RCS/psapselect.c,v 7.0 89/11/23 22:16:02 mrose Rel $";
        !             5: #endif
        !             6: 
        !             7: /* 
        !             8:  * $Header: /f/osi/psap2-lpp/RCS/psapselect.c,v 7.0 89/11/23 22:16:02 mrose Rel $
        !             9:  *
        !            10:  * Contributed by The Wollongong Group, Inc.
        !            11:  *
        !            12:  *
        !            13:  * $Log:       psapselect.c,v $
        !            14:  * Revision 7.0  89/11/23  22:16:02  mrose
        !            15:  * Release 6.0
        !            16:  * 
        !            17:  */
        !            18: 
        !            19: /*
        !            20:  *                               NOTICE
        !            21:  *
        !            22:  *    Acquisition, use, and distribution of this module and related
        !            23:  *    materials are subject to the restrictions of a license agreement.
        !            24:  *    Consult the Preface in the User's Manual for the full terms of
        !            25:  *    this agreement.
        !            26:  *
        !            27:  */
        !            28: 
        !            29: 
        !            30: /* LINTLIBRARY */
        !            31: 
        !            32: #include <stdio.h>
        !            33: #include <signal.h>
        !            34: #define        LPP
        !            35: #include "ppkt.h"
        !            36: 
        !            37: /*    map presentation descriptors for select() */
        !            38: 
        !            39: int    PSelectMask (sd, mask, nfds, pi)
        !            40: int    sd;
        !            41: fd_set *mask;
        !            42: int    *nfds;
        !            43: struct PSAPindication *pi;
        !            44: {
        !            45:     SBV     smask;
        !            46:     int            reason,
        !            47:            result;
        !            48:     register struct psapblk *pb;
        !            49: 
        !            50:     missingP (mask);
        !            51:     missingP (nfds);
        !            52:     missingP (pi);
        !            53: 
        !            54:     smask = sigioblock ();
        !            55: 
        !            56:     if ((pb = findpblk (sd)) == NULL) {
        !            57:        (void) sigiomask (smask);
        !            58:        return psaplose (pi, PC_PARAMETER, NULLCP,
        !            59:                            "invalid presentation descriptor");
        !            60:     }
        !            61: 
        !            62:     result = pb -> pb_checkfnx ? (*pb -> pb_checkfnx) (pb, pi) : OK;
        !            63:     if (result == NOTOK && (reason = pi -> pi_abort.pa_reason) != PC_TIMER) {
        !            64:        if (PC_FATAL (reason))
        !            65:            freepblk (pb);
        !            66:     }
        !            67:     else {
        !            68:        FD_SET (pb -> pb_fd, mask);
        !            69:        if (pb -> pb_fd > *nfds)
        !            70:            *nfds = pb -> pb_fd + 1;
        !            71:     }
        !            72: 
        !            73:     (void) sigiomask (smask);
        !            74: 
        !            75:     return result;
        !            76: }

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