UNIX 7th Ed. - /usr/sys/h/file.h

Macros

FKERNEL           X
FMP               X
FMPX              X
FMPY              X
FPIPE             X
FREAD             X
FWRITE            X

struct's

file              X

   1: /*
   2:  * One file structure is allocated
   3:  * for each open/creat/pipe call.
   4:  * Main use is to hold the read/write
   5:  * pointer associated with each open
   6:  * file.
   7:  */
   8: struct  file
   9: {
  10:     char    f_flag;
  11:     char    f_count;    /* reference count */
  12:     struct inode *f_inode;  /* pointer to inode structure */
  13:     union {
  14:         off_t   f_offset;   /* read/write character pointer */
  15:         struct chan *f_chan;    /* mpx channel pointer */
  16:     } f_un;
  17: };
  18: 
  19: extern struct file file[];  /* The file table itself */
  20: 
  21: /* flags */
  22: #define FREAD   01
  23: #define FWRITE  02
  24: #define FPIPE   04
  25: #define FMPX    010
  26: #define FMPY    020
  27: #define FMP 030
  28: #define FKERNEL 040

Defined struct's

file defined in line 8; used 48 times

in line 19(2)
in /usr/src/cmd/pstat.c line 369-370(4)
in /usr/sys/conf/c.c line 78(2)
in /usr/sys/dev/mx1.c line 147(2), 451(2)
in /usr/sys/dev/mx2.c line 67(2), 144(2), 627(2)
in /usr/sys/dev/tty.c line 133(2)
in /usr/sys/sys/fio.c line 19-23(4), 46(2), 241-244(4)
in /usr/sys/sys/pipe.c line 28(2), 62(2), 117(2)
in /usr/sys/sys/sys2.c line 33(2), 128(2), 165(2), 183(2)
in /usr/sys/sys/sys3.c line 20(2), 96(2)

Defined macros

FKERNEL defined in line 28; never used

FMP defined in line 27; used 18 times

in /usr/sys/dev/mx1.c line 251, 267(2)
in /usr/sys/dev/mx2.c line 147-154(3), 175(2), 233-234(2), 319-320(2), 639-641(2)
in /usr/sys/sys/fio.c line 90
in /usr/sys/sys/sys2.c line 59, 71, 194

FMPX defined in line 25; used 4 times

in /usr/sys/dev/mx1.c line 333
in /usr/sys/dev/mx2.c line 453, 488, 510

FMPY defined in line 26; used 3 times

in /usr/sys/dev/mx1.c line 333, 368
in /usr/sys/dev/mx2.c line 91

FPIPE defined in line 24; used 7 times

FREAD defined in line 22; used 11 times

in /usr/src/cmd/pstat.c line 386
in /usr/sys/dev/mx1.c line 241, 333(2)
in /usr/sys/dev/mx2.c line 92
in /usr/sys/sys/pipe.c line 51
in /usr/sys/sys/sys2.c line 14, 53, 65, 132, 147

FWRITE defined in line 23; used 16 times

in /usr/src/cmd/pstat.c line 387
in /usr/sys/dev/ht.c line 111(2)
in /usr/sys/dev/mx1.c line 241, 333(2)
in /usr/sys/dev/mx2.c line 92
in /usr/sys/dev/tm.c line 91-92(2)
in /usr/sys/sys/pipe.c line 49
in /usr/sys/sys/sys2.c line 22, 114-116(2), 134, 147-150(2)

Usage of this include

file.h used 12 times

Last modified: 1979-05-12
Generated: 2016-12-26

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