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

1.1       root        1: 
                      2: /*
                      3:        osclose( ioptr ) closes the file represented by the ioblk.
                      4:        osclose will flush an output file's buffer before closing.
                      5: */
                      6: 
                      7: #include "spitblks.h"
                      8: #include "spitio.h"
                      9: 
                     10: int
                     11: osclose( ioptr )
                     12: 
                     13: struct ioblk   *ioptr;
                     14: 
                     15: {
                     16:        register int    errcnt = 0;
                     17: 
                     18:        if ( !(ioptr -> flg & IO_OPN))
                     19:                return 0;
                     20: 
                     21:        if ( ioptr -> flg & IO_OUP )
                     22:                errcnt += flush( ioptr );
                     23: 
                     24:        if ( ioptr -> flg & IO_SYS )
                     25:                return errcnt;
                     26: 
                     27:        if ( close( ioptr -> fdn ) < 0)
                     28:                errcnt++;
                     29:        ioptr -> flg &= ~IO_OPN;
                     30: 
                     31:        if ( ioptr -> flg & IO_PIP ) {
                     32:                if ( ioptr -> flg & IO_DED )
                     33:                        ioptr -> flg &= ~IO_DED;
                     34:                else if ( ioptr -> flg & IO_INP ) {
                     35:                        kill( ioptr -> pid );
                     36:                        oswait( ioptr -> pid);
                     37:                } else oswait( ioptr -> pid );
                     38:        }
                     39: 
                     40:        return errcnt;
                     41: }
                     42: 

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