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Annotation of researchv10no/cmd/spitbol/oswait.c, revision 1.1.1.1

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

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