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/handles.h>
  19 #include <mono/io-layer/handles-private.h>
  20 #include <mono/io-layer/io.h>
  21 #include <mono/io-layer/shared.h>
  22
  23 #include <mono/utils/mono-os-mutex.h>
  24
  25 extern gboolean _wapi_has_shut_down;
  26
  27 extern const char *_wapi_handle_typename[];
  28
  29 #define _WAPI_FD_HANDLE(type) (type == WAPI_HANDLE_FILE || \
  30                                type == WAPI_HANDLE_CONSOLE || \
  31                                type == WAPI_HANDLE_SOCKET || \
  32                                type == WAPI_HANDLE_PIPE)
  33
  34 #define _WAPI_SHARED_NAMESPACE(type) (type == WAPI_HANDLE_NAMEDMUTEX || \
  35                                       type == WAPI_HANDLE_NAMEDSEM || \
  36                                       type == WAPI_HANDLE_NAMEDEVENT)
  37
  38 typedef struct
  39 {
  40         gchar name[MAX_PATH + 1];
  41 } WapiSharedNamespace;
  42
  43 #include <mono/io-layer/event-private.h>
  44 #include <mono/io-layer/io-private.h>
  45 #include <mono/io-layer/mutex-private.h>
  46 #include <mono/io-layer/semaphore-private.h>
  47 #include <mono/io-layer/socket-private.h>
  48 #include <mono/io-layer/thread-private.h>
  49 #include <mono/io-layer/process-private.h>
  50
  51 struct _WapiHandle_shared_ref
  52 {
  53         /* This will be split 16:16 with the shared file segment in
  54          * the top half, when I implement space increases
  55          */
  56         guint32 offset;
  57 };
  58
  59 #define _WAPI_SHARED_SEM_NAMESPACE 0
  60 /*#define _WAPI_SHARED_SEM_COLLECTION 1*/
  61 #define _WAPI_SHARED_SEM_FILESHARE 2
  62 #define _WAPI_SHARED_SEM_PROCESS_COUNT_LOCK 6
  63 #define _WAPI_SHARED_SEM_PROCESS_COUNT 7
  64 #define _WAPI_SHARED_SEM_COUNT 8        /* Leave some future expansion space */
  65
  66 struct _WapiFileShare
  67 {
  68 #ifdef WAPI_FILE_SHARE_PLATFORM_EXTRA_DATA
  69         WAPI_FILE_SHARE_PLATFORM_EXTRA_DATA
  70 #endif
  71         guint64 device;
  72         guint64 inode;
  73         pid_t opened_by_pid;
  74         guint32 sharemode;
  75         guint32 access;
  76         guint32 handle_refs;
  77         guint32 timestamp;
  78 };
  79
  80 typedef struct _WapiFileShare _WapiFileShare;
  81
  82 #define _WAPI_HANDLE_INVALID (gpointer)-1
  83
  84 pid_t
  85 _wapi_getpid (void);
  86
  87 gpointer
  88 _wapi_search_handle_namespace (WapiHandleType type, gchar *utf8_name);
  89
  90 static inline int _wapi_namespace_lock (void)
  91 {
  92         return(_wapi_shm_sem_lock (_WAPI_SHARED_SEM_NAMESPACE));
  93 }
  94
  95 /* This signature makes it easier to use in pthread cleanup handlers */
  96 static inline int _wapi_namespace_unlock (gpointer data G_GNUC_UNUSED)
  97 {
  98         return(_wapi_shm_sem_unlock (_WAPI_SHARED_SEM_NAMESPACE));
  99 }
 100
 101 #endif /* _WAPI_PRIVATE_H_ */