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 /* There doesn't seem to be a defined symbol for this */
  24 #define _WAPI_THREAD_CURRENT (gpointer)0xFFFFFFFE
  25
  26 extern gboolean _wapi_has_shut_down;
  27
  28 typedef struct
  29 {
  30         gchar name[MAX_PATH + 1];
  31 } WapiSharedNamespace;
  32
  33 #include <mono/io-layer/event-private.h>
  34 #include <mono/io-layer/io-private.h>
  35 #include <mono/io-layer/mutex-private.h>
  36 #include <mono/io-layer/semaphore-private.h>
  37 #include <mono/io-layer/socket-private.h>
  38 #include <mono/io-layer/process-private.h>
  39 #include <mono/utils/w32handle.h>
  40
  41 struct _WapiHandle_shared_ref
  42 {
  43         /* This will be split 16:16 with the shared file segment in
  44          * the top half, when I implement space increases
  45          */
  46         guint32 offset;
  47 };
  48
  49 #define _WAPI_SHARED_SEM_NAMESPACE 0
  50 /*#define _WAPI_SHARED_SEM_COLLECTION 1*/
  51 #define _WAPI_SHARED_SEM_FILESHARE 2
  52 #define _WAPI_SHARED_SEM_PROCESS_COUNT_LOCK 6
  53 #define _WAPI_SHARED_SEM_PROCESS_COUNT 7
  54 #define _WAPI_SHARED_SEM_COUNT 8        /* Leave some future expansion space */
  55
  56 struct _WapiFileShare
  57 {
  58 #ifdef WAPI_FILE_SHARE_PLATFORM_EXTRA_DATA
  59         WAPI_FILE_SHARE_PLATFORM_EXTRA_DATA
  60 #endif
  61         guint64 device;
  62         guint64 inode;
  63         pid_t opened_by_pid;
  64         guint32 sharemode;
  65         guint32 access;
  66         guint32 handle_refs;
  67         guint32 timestamp;
  68 };
  69
  70 typedef struct _WapiFileShare _WapiFileShare;
  71
  72 gpointer
  73 _wapi_search_handle_namespace (MonoW32HandleType type, gchar *utf8_name);
  74
  75 static inline int _wapi_namespace_lock (void)
  76 {
  77         return(_wapi_shm_sem_lock (_WAPI_SHARED_SEM_NAMESPACE));
  78 }
  79
  80 /* This signature makes it easier to use in pthread cleanup handlers */
  81 static inline int _wapi_namespace_unlock (gpointer data G_GNUC_UNUSED)
  82 {
  83         return(_wapi_shm_sem_unlock (_WAPI_SHARED_SEM_NAMESPACE));
  84 }
  85
  86 #endif /* _WAPI_PRIVATE_H_ */