compiler/clib/__fdesc.h

   1 #ifndef ___FDESC_H
   2 #define ___FDESC_H
   3
   4 /*
   5     Copyright © 1995-2012, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: file descriptors handling internals - header file
   9     Lang: english
  10 */
  11
  12 #include <dos/dos.h>
  13
  14 /* file control block - one per file handle */
  15 typedef struct _fcb
  16 {
  17     BPTR fh;    // if isdir == TRUE:  BCPL pointer to struct FileLock
  18                 // if isdir == FALSE: BCPL pointer to struct FileHandle
  19     int  flags;
  20     unsigned int opencount;
  21     char  isdir;
  22     unsigned char privflags;
  23 } fcb;
  24
  25 /* privflags */
  26 #define _FCB_DONTCLOSE_FH 1
  27
  28 /* file descriptor structure - one per descriptor */
  29 typedef struct _fdesc
  30 {
  31     fcb  *fcb;
  32     int  fdflags;
  33 } fdesc;
  34
  35 struct aroscbase;
  36 int __register_init_fdarray(struct aroscbase *base);
  37 int __getfdslots(void);
  38 void __getfdarray(APTR *arrayptr, int *slotsptr);
  39 void __setfdarray(APTR array, int slots);
  40 void __setfdarraybase(struct aroscbase *base);
  41 fdesc *__getfdesc(register int fd);
  42 void __setfdesc(register int fd, fdesc *fdesc);
  43 int __getfdslot(int wanted_fd);
  44 int __getfirstfd(register int startfd);
  45 int __open(int wanted_fd, const char *pathname, int flags, int mode);
  46 void __updatestdio(void);
  47 LONG __oflags2amode(int flags);
  48 fdesc *__alloc_fdesc(void);
  49 void __free_fdesc(fdesc *fdesc);
  50 void __close_on_exec_fdescs(void);
  51
  52 #endif /* ___FDESC_H */