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Annotation of researchv10no/cmd/spitbol/cint/oswait.c, revision 1.1

1.1     ! root        1: 
        !             2: /*
        !             3:        oswait( pid ) waits for the termination of the process with
        !             4:        id pid.
        !             5: */
        !             6: 
        !             7: #include "spitblks.h"
        !             8: #include "spitio.h"
        !             9: #include <signal.h>
        !            10: 
        !            11: oswait( pid )
        !            12: 
        !            13: int    pid;
        !            14: 
        !            15: {
        !            16:        int     deadpid, status;
        !            17:        register (*hstat)(), (*istat)(), (*qstat)();
        !            18:        extern  struct  chfcb   *rzfcb;
        !            19:        struct  chfcb   *chptr;
        !            20: 
        !            21:        istat   = signal( SIGINT,SIG_IGN );
        !            22:        qstat   = signal( SIGQUIT,SIG_IGN );
        !            23:        hstat   = signal( SIGHUP,SIG_IGN );
        !            24: 
        !            25:        while ( (deadpid = wait( &status )) != pid  &&
        !            26:                (deadpid != -1) ) {
        !            27:                for ( chptr = rzfcb; chptr != 0; chptr = chptr -> nxt ) {
        !            28:                        if ( deadpid == chptr -> fcp -> iob -> pid ) {
        !            29:                                chptr -> fcp -> iob -> flg |= IO_DED;
        !            30:                                break;
        !            31:                        }
        !            32:                }
        !            33:        }
        !            34: 
        !            35:        signal( SIGINT,istat );
        !            36:        signal( SIGQUIT,qstat );
        !            37:        signal( SIGHUP,hstat );
        !            38: 
        !            39:        return status;
        !            40: }
        !            41: 

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