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Annotation of 43BSDReno/contrib/isode-beta/rosap/rosapintr.c, revision 1.1

1.1     ! root        1: /* rosapintr.c - ROPM: invoke (interruptable) */
        !             2: 
        !             3: #ifndef        lint
        !             4: static char *rcsid = "$Header: /f/osi/rosap/RCS/rosapintr.c,v 6.0 89/03/18 23:42:25 mrose Rel $";
        !             5: #endif
        !             6: 
        !             7: /* 
        !             8:  * $Header: /f/osi/rosap/RCS/rosapintr.c,v 6.0 89/03/18 23:42:25 mrose Rel $
        !             9:  *
        !            10:  *
        !            11:  * $Log:       rosapintr.c,v $
        !            12:  * Revision 6.0  89/03/18  23:42:25  mrose
        !            13:  * Release 5.0
        !            14:  * 
        !            15:  */
        !            16: 
        !            17: /*
        !            18:  *                               NOTICE
        !            19:  *
        !            20:  *    Acquisition, use, and distribution of this module and related
        !            21:  *    materials are subject to the restrictions of a license agreement.
        !            22:  *    Consult the Preface in the User's Manual for the full terms of
        !            23:  *    this agreement.
        !            24:  *
        !            25:  */
        !            26: 
        !            27: 
        !            28: /* LINTLIBRARY */
        !            29: 
        !            30: #include <stdio.h>
        !            31: #include <signal.h>
        !            32: #include "rosap.h"
        !            33: 
        !            34: /*  */
        !            35: 
        !            36: static int interrupted;
        !            37: SFD    intrser ();
        !            38: 
        !            39: /*    RO-INVOKE.REQUEST (interruptable) */
        !            40: 
        !            41: int    RoIntrRequest (sd, op, args, invokeID, linkedID, priority, roi)
        !            42: int    sd;
        !            43: int    op,
        !            44:        invokeID,
        !            45:        *linkedID,
        !            46:        priority;
        !            47: PE     args;
        !            48: struct RoSAPindication *roi;
        !            49: {
        !            50:     int            nfds,
        !            51:            result;
        !            52:     fd_set  rfds;
        !            53:     SFP    istat;
        !            54: 
        !            55:     if (RoInvokeRequest (sd, op, ROS_ASYNC, args, invokeID, linkedID, priority,
        !            56:                         roi) == NOTOK)
        !            57:        return NOTOK;
        !            58: 
        !            59:     interrupted = 0;
        !            60:     istat = signal (SIGINT, intrser);
        !            61: 
        !            62:     for (;;) {
        !            63:        nfds = 0;
        !            64:        FD_ZERO (&rfds);
        !            65: 
        !            66:                                                /* interrupt causes EINTR */
        !            67:        if (RoSelectMask (sd, &rfds, &nfds, roi) == OK)
        !            68:            (void) xselect (nfds, &rfds, NULLFD, NULLFD, NOTOK);
        !            69: 
        !            70:        if (interrupted) {
        !            71:            result = rosaplose (roi, ROS_INTERRUPTED, NULLCP, NULLCP);
        !            72:            break;
        !            73:        }
        !            74: 
        !            75:        if ((result = RoWaitRequest (sd, OK, roi)) != NOTOK
        !            76:                || roi -> roi_preject.rop_reason != ROS_TIMER)
        !            77:            break;
        !            78:     }
        !            79: 
        !            80:     (void) signal (SIGINT, istat);
        !            81: 
        !            82:     return result;
        !            83: }
        !            84: 
        !            85: /*  */
        !            86: 
        !            87: /* ARGSUSED */
        !            88: 
        !            89: static  SFD intrser (sig)
        !            90: int    sig;
        !            91: {
        !            92: #ifndef        BSDSIGS
        !            93:     (void) signal (SIGINT, intrser);
        !            94: #endif
        !            95: 
        !            96:     interrupted++;
        !            97: }

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