libs/FShm.h

   1 /* -*-c-*- */
   2
   3 #ifndef FSHM_H
   4 #define FSHM_H
   5
   6 /* ---------------------------- included header files ---------------------- */
   7
   8 #include "config.h"
   9
  10 #ifdef HAVE_XSHM
  11 #define XShmSupport 1
  12 #else
  13 #define XShmSupport 0
  14 #endif
  15
  16 #if XShmSupport
  17 #include <sys/ipc.h>
  18 #include <sys/shm.h>
  19 #include <X11/extensions/XShm.h>
  20 #endif
  21
  22 /* ---------------------------- global definitions ------------------------- */
  23
  24 /* ---------------------------- global macros ------------------------------ */
  25
  26 /* ---------------------------- type definitions --------------------------- */
  27
  28 #if XShmSupport
  29
  30 /* XShm */
  31 typedef ShmSeg FShmSeg;
  32 typedef XShmSegmentInfo FShmSegmentInfo;
  33
  34 #define FShmAttach XShmAttach
  35 #define FShmDetach XShmDetach
  36 #define FShmPutImage XShmPutImage
  37 #define FShmGetImage XShmGetImage
  38 #define FShmCreateImage XShmCreateImage
  39
  40 /* shm */
  41 #define Fshmget shmget
  42 #define Fshmat shmat
  43 #define Fshmdt shmdt
  44 #define Fshmctl shmctl
  45 #define Fshmget shmget
  46
  47 #else
  48
  49 /* XShm */
  50 typedef unsigned long FhmSeg;
  51 typedef struct {
  52         FhmSeg shmseg;
  53         int shmid;
  54         char *shmaddr;
  55         Bool readOnly;
  56 } FShmSegmentInfo;
  57
  58 #define FShmAttach(a, b)                              0
  59 #define FShmDetach(a, b)                              0
  60 #define FShmPutImage(a, b, c, d, e, f, g, h, i, j, k) 0
  61 #define FShmGetImage(a, b, c, d, e, f)                0
  62 #define FShmCreateImage(a, b, c, d, e, f, g, h)       NULL
  63
  64 /* shm */
  65 #define Fshmget(a, b, c) 0
  66 #define Fshmat(a, b, c)  NULL;
  67 #define Fshmdt(a)
  68 #define Fshmctl(a, b, c)
  69
  70 #endif
  71
  72 #endif /* FSHM_H */