mono/io-layer/wapi-private.h

   1 /*
   2  * wapi-private.h:  internal definitions of handles and shared memory layout
   3  *
   4  * Author:
   5  *      Dick Porter (dick@ximian.com)
   6  *
   7  * (C) 2002-2006 Novell, Inc.
   8  */
   9
  10 #ifndef _WAPI_PRIVATE_H_
  11 #define _WAPI_PRIVATE_H_
  12
  13 #include <config.h>
  14 #include <glib.h>
  15 #include <sys/stat.h>
  16
  17 #include <mono/io-layer/wapi.h>
  18 #include <mono/io-layer/io.h>
  19 #include <mono/io-layer/shared.h>
  20
  21 #include <mono/utils/mono-os-mutex.h>
  22
  23 extern gboolean _wapi_has_shut_down;
  24
  25 typedef struct
  26 {
  27         gchar name[MAX_PATH + 1];
  28 } WapiSharedNamespace;
  29
  30 #include <mono/io-layer/event-private.h>
  31 #include <mono/io-layer/io-private.h>
  32 #include <mono/io-layer/mutex-private.h>
  33 #include <mono/io-layer/semaphore-private.h>
  34 #include <mono/io-layer/socket-private.h>
  35 #include <mono/io-layer/thread-private.h>
  36 #include <mono/io-layer/process-private.h>
  37 #include <mono/utils/w32handle.h>
  38
  39 struct _WapiHandle_shared_ref
  40 {
  41         /* This will be split 16:16 with the shared file segment in
  42          * the top half, when I implement space increases
  43          */
  44         guint32 offset;
  45 };
  46
  47 #define _WAPI_SHARED_SEM_NAMESPACE 0
  48 /*#define _WAPI_SHARED_SEM_COLLECTION 1*/
  49 #define _WAPI_SHARED_SEM_FILESHARE 2
  50 #define _WAPI_SHARED_SEM_PROCESS_COUNT_LOCK 6
  51 #define _WAPI_SHARED_SEM_PROCESS_COUNT 7
  52 #define _WAPI_SHARED_SEM_COUNT 8        /* Leave some future expansion space */
  53
  54 struct _WapiFileShare
  55 {
  56 #ifdef WAPI_FILE_SHARE_PLATFORM_EXTRA_DATA
  57         WAPI_FILE_SHARE_PLATFORM_EXTRA_DATA
  58 #endif
  59         guint64 device;
  60         guint64 inode;
  61         pid_t opened_by_pid;
  62         guint32 sharemode;
  63         guint32 access;
  64         guint32 handle_refs;
  65         guint32 timestamp;
  66 };
  67
  68 typedef struct _WapiFileShare _WapiFileShare;
  69
  70 pid_t
  71 _wapi_getpid (void);
  72
  73 gpointer
  74 _wapi_search_handle_namespace (MonoW32HandleType type, gchar *utf8_name);
  75
  76 static inline int _wapi_namespace_lock (void)
  77 {
  78         return(_wapi_shm_sem_lock (_WAPI_SHARED_SEM_NAMESPACE));
  79 }
  80
  81 /* This signature makes it easier to use in pthread cleanup handlers */
  82 static inline int _wapi_namespace_unlock (gpointer data G_GNUC_UNUSED)
  83 {
  84         return(_wapi_shm_sem_unlock (_WAPI_SHARED_SEM_NAMESPACE));
  85 }
  86
  87 #endif /* _WAPI_PRIVATE_H_ */