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Annotation of 43BSDReno/contrib/isode-beta/rosap/rosapintr.c, revision 1.1.1.1

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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