mono/io-layer/shared.h

   1 /*
   2  * shared.h:  Shared memory handle, and daemon launching
   3  *
   4  * Author:
   5  *      Dick Porter (dick@ximian.com)
   6  *
   7  * (C) 2002 Ximian, Inc.
   8  */
   9
  10 #ifndef _WAPI_SHARED_H_
  11 #define _WAPI_SHARED_H_
  12
  13 #include <mono/io-layer/wapi-private.h>
  14
  15 struct _WapiScratchHeader
  16 {
  17         /* These two can be merged */
  18         guint32 flags;
  19         guint32 length;
  20 };
  21
  22 enum {
  23         WAPI_SHM_SCRATCH_FREE=0x1,
  24 };
  25
  26 typedef enum {
  27         WAPI_SHM_DATA,
  28         WAPI_SHM_SCRATCH
  29 } _wapi_shm_t;
  30
  31 extern guchar *_wapi_shm_file (_wapi_shm_t type, guint32 segment);
  32 extern gpointer _wapi_shm_file_map (_wapi_shm_t type, guint32 segment,
  33                                     gboolean *created, off_t *size);
  34 extern gpointer _wapi_shm_file_expand (gpointer mem, _wapi_shm_t type,
  35                                        guint32 segment, guint32 old_len,
  36                                        guint32 new_len);
  37 extern gboolean _wapi_shm_attach (struct _WapiHandleShared_list **data,
  38                                   struct _WapiHandleScratch **scratch);
  39 extern void _wapi_shm_destroy (void);
  40
  41 #endif /* _WAPI_SHARED_H_ */