-/* -*- mode: C; c-file-style: "gnu" -*- */
-/* dbus-internals.h random utility stuff (internal to D-BUS implementation)
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+/* dbus-internals.h random utility stuff (internal to D-Bus implementation)
*
* Copyright (C) 2002, 2003 Red Hat, Inc.
*
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef DBUS_INSIDE_DBUS_H
#ifndef DBUS_INTERNALS_H
#define DBUS_INTERNALS_H
-#include <config.h>
-
#include <dbus/dbus-memory.h>
#include <dbus/dbus-types.h>
#include <dbus/dbus-errors.h>
void _dbus_warn (const char *format,
...) _DBUS_GNUC_PRINTF (1, 2);
+void _dbus_warn_check_failed (const char *format,
+ ...) _DBUS_GNUC_PRINTF (1, 2);
+
+
#if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
#define _DBUS_FUNCTION_NAME __func__
-#elif defined(__GNUC__)
+#elif defined(__GNUC__) || defined(_MSC_VER)
#define _DBUS_FUNCTION_NAME __FUNCTION__
#else
#define _DBUS_FUNCTION_NAME "unknown function"
#ifdef DBUS_ENABLE_VERBOSE_MODE
+/*
+ at least gnu cc and msvc compiler are known to
+ have support for variable macro argument lists
+ add other compilers is required
+*/
+#if defined(__GNUC__) || defined(_MSC_VER)
+#define DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
+#endif
+
+#ifdef DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
+void _dbus_verbose_real (const char *file, const int line, const char *function,
+ const char *format,...) _DBUS_GNUC_PRINTF (4, 5);
+# define _dbus_verbose(fmt,...) _dbus_verbose_real( __FILE__,__LINE__,__FUNCTION__,fmt, ## __VA_ARGS__)
+#else
void _dbus_verbose_real (const char *format,
...) _DBUS_GNUC_PRINTF (1, 2);
+# define _dbus_verbose _dbus_verbose_real
+#endif
void _dbus_verbose_reset_real (void);
+dbus_bool_t _dbus_is_verbose_real (void);
-# define _dbus_verbose _dbus_verbose_real
# define _dbus_verbose_reset _dbus_verbose_reset_real
+# define _dbus_is_verbose _dbus_is_verbose_real
#else
# ifdef HAVE_ISO_VARARGS
-# define _dbus_verbose(...)
+# define _dbus_verbose(...) do { } while (0)
# elif defined (HAVE_GNUC_VARARGS)
-# define _dbus_verbose(format...)
+# define _dbus_verbose(format...) do { } while (0)
# else
-# error "This compiler does not support varargs macros and thus verbose mode can't be disabled meaningfully"
+static void _dbus_verbose(const char * x,...) {;}
# endif
-# define _dbus_verbose_reset()
+# define _dbus_verbose_reset() do { } while (0)
+# define _dbus_is_verbose() FALSE
#endif /* !DBUS_ENABLE_VERBOSE_MODE */
+void _dbus_trace_ref (const char *obj_name,
+ void *obj,
+ int old_refcount,
+ int new_refcount,
+ const char *why,
+ const char *env_var,
+ int *enabled);
+
const char* _dbus_strerror (int error_number);
#ifdef DBUS_DISABLE_ASSERT
-#define _dbus_assert(condition)
+#define _dbus_assert(condition) do { } while (0)
#else
void _dbus_real_assert (dbus_bool_t condition,
const char *condition_text,
#endif /* !DBUS_DISABLE_ASSERT */
#ifdef DBUS_DISABLE_ASSERT
-#define _dbus_assert_not_reached(explanation)
+#define _dbus_assert_not_reached(explanation) do { } while (0)
#else
void _dbus_real_assert_not_reached (const char *explanation,
const char *file,
#define _dbus_return_if_fail(condition)
#define _dbus_return_val_if_fail(condition, val)
#else
-extern const char _dbus_return_if_fail_warning_format[];
-#define _dbus_return_if_fail(condition) do { \
- _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
- if (!(condition)) { \
- _dbus_warn (_dbus_return_if_fail_warning_format, \
- _dbus_getpid (), _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
- return; \
+extern const char *_dbus_return_if_fail_warning_format;
+
+#define _dbus_return_if_fail(condition) do { \
+ _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
+ if (!(condition)) { \
+ _dbus_warn_check_failed (_dbus_return_if_fail_warning_format, \
+ _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
+ return; \
} } while (0)
#define _dbus_return_val_if_fail(condition, val) do { \
_dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
if (!(condition)) { \
- _dbus_warn (_dbus_return_if_fail_warning_format, \
- _dbus_getpid (), _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
+ _dbus_warn_check_failed (_dbus_return_if_fail_warning_format, \
+ _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
return (val); \
} } while (0)
#define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0])))
-#define _DBUS_POINTER_TO_INT(pointer) ((long)(pointer))
-#define _DBUS_INT_TO_POINTER(integer) ((void*)((long)(integer)))
+#define _DBUS_POINTER_TO_INT(pointer) ((intptr_t)(pointer))
+#define _DBUS_INT_TO_POINTER(integer) ((void*)((intptr_t)(integer)))
#define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object))))
#define _DBUS_STRUCT_OFFSET(struct_type, member) \
- ((long) ((unsigned char*) &((struct_type*) 0)->member))
+ ((intptr_t) ((unsigned char*) &((struct_type*) 0)->member))
+#ifdef DBUS_DISABLE_CHECKS
+/* this is an assert and not an error, but in the typical --disable-checks case (you're trying
+ * to really minimize code size), disabling these assertions makes sense.
+ */
+#define _DBUS_ASSERT_ERROR_IS_SET(error) do { } while (0)
+#define _DBUS_ASSERT_ERROR_IS_CLEAR(error) do { } while (0)
+#else
#define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert ((error) == NULL || dbus_error_is_set ((error)))
#define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert ((error) == NULL || !dbus_error_is_set ((error)))
+#endif
#define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error)))
#define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val))
*/
#define _DBUS_ALIGN_VALUE(this, boundary) \
- (( ((unsigned long)(this)) + (((unsigned long)(boundary)) -1)) & (~(((unsigned long)(boundary))-1)))
+ (( ((uintptr_t)(this)) + (((uintptr_t)(boundary)) -1)) & (~(((uintptr_t)(boundary))-1)))
#define _DBUS_ALIGN_ADDRESS(this, boundary) \
((void*)_DBUS_ALIGN_VALUE(this, boundary))
int start,
int len);
-const char* _dbus_header_field_to_string (int header_field);
-
-extern const char _dbus_no_memory_message[];
+extern const char *_dbus_no_memory_message;
#define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message)
-#ifdef DBUS_BUILD_TESTS
+#ifdef DBUS_ENABLE_EMBEDDED_TESTS
/* Memory debugging */
void _dbus_set_fail_alloc_counter (int until_next_fail);
int _dbus_get_fail_alloc_counter (void);
#define _dbus_decrement_fail_alloc_counter() (FALSE)
#define _dbus_disable_mem_pools() (FALSE)
#define _dbus_get_malloc_blocks_outstanding (0)
-#endif /* !DBUS_BUILD_TESTS */
+#endif /* !DBUS_ENABLE_EMBEDDED_TESTS */
typedef void (* DBusShutdownFunction) (void *data);
-dbus_bool_t _dbus_register_shutdown_func (DBusShutdownFunction function,
- void *data);
+dbus_bool_t _dbus_register_shutdown_func (DBusShutdownFunction function,
+ void *data);
+dbus_bool_t _dbus_register_shutdown_func_unlocked (DBusShutdownFunction function,
+ void *data);
extern int _dbus_current_generation;
-/* Thread initializers */
-#define _DBUS_LOCK_NAME(name) _dbus_lock_##name
-#define _DBUS_DECLARE_GLOBAL_LOCK(name) extern DBusMutex *_dbus_lock_##name
-#define _DBUS_DEFINE_GLOBAL_LOCK(name) DBusMutex *_dbus_lock_##name
-#define _DBUS_LOCK(name) _dbus_mutex_lock (_dbus_lock_##name)
-#define _DBUS_UNLOCK(name) _dbus_mutex_unlock (_dbus_lock_##name)
-
-_DBUS_DECLARE_GLOBAL_LOCK (list);
-_DBUS_DECLARE_GLOBAL_LOCK (connection_slots);
-_DBUS_DECLARE_GLOBAL_LOCK (pending_call_slots);
-_DBUS_DECLARE_GLOBAL_LOCK (server_slots);
-_DBUS_DECLARE_GLOBAL_LOCK (message_slots);
-_DBUS_DECLARE_GLOBAL_LOCK (atomic);
-_DBUS_DECLARE_GLOBAL_LOCK (bus);
-_DBUS_DECLARE_GLOBAL_LOCK (shutdown_funcs);
-_DBUS_DECLARE_GLOBAL_LOCK (system_users);
-_DBUS_DECLARE_GLOBAL_LOCK (message_cache);
-#define _DBUS_N_GLOBAL_LOCKS (10)
+/* The weird case convention is to avoid having to change all the callers,
+ * which would be quite a mega-patch. */
+typedef enum
+{
+ /* index 0-4 */
+ _DBUS_LOCK_list,
+ _DBUS_LOCK_connection_slots,
+ _DBUS_LOCK_pending_call_slots,
+ _DBUS_LOCK_server_slots,
+ _DBUS_LOCK_message_slots,
+ /* index 5-9 */
+ _DBUS_LOCK_bus,
+ _DBUS_LOCK_bus_datas,
+ _DBUS_LOCK_shutdown_funcs,
+ _DBUS_LOCK_system_users,
+ _DBUS_LOCK_message_cache,
+ /* index 10-12 */
+ _DBUS_LOCK_shared_connections,
+ _DBUS_LOCK_machine_uuid,
+ _DBUS_LOCK_sysdeps,
+
+ _DBUS_N_GLOBAL_LOCKS
+} DBusGlobalLock;
+
+dbus_bool_t _dbus_lock (DBusGlobalLock lock) _DBUS_GNUC_WARN_UNUSED_RESULT;
+void _dbus_unlock (DBusGlobalLock lock);
+
+#define _DBUS_LOCK_NAME(name) _DBUS_LOCK_##name
+#define _DBUS_LOCK(name) _dbus_lock (_DBUS_LOCK_##name)
+#define _DBUS_UNLOCK(name) _dbus_unlock (_DBUS_LOCK_##name)
dbus_bool_t _dbus_threads_init_debug (void);
dbus_bool_t _dbus_address_append_escaped (DBusString *escaped,
const DBusString *unescaped);
+void _dbus_set_bad_address (DBusError *error,
+ const char *address_problem_type,
+ const char *address_problem_field,
+ const char *address_problem_other);
+
+#define DBUS_UUID_LENGTH_BYTES 16
+#define DBUS_UUID_LENGTH_WORDS (DBUS_UUID_LENGTH_BYTES / 4)
+#define DBUS_UUID_LENGTH_HEX (DBUS_UUID_LENGTH_BYTES * 2)
+
+/**
+ * A globally unique ID ; we have one for each DBusServer, and also one for each
+ * machine with libdbus installed on it.
+ */
+union DBusGUID
+{
+ dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS]; /**< guid as four uint32 values */
+ char as_bytes[DBUS_UUID_LENGTH_BYTES]; /**< guid as 16 single-byte values */
+};
+
+void _dbus_generate_uuid (DBusGUID *uuid);
+dbus_bool_t _dbus_uuid_encode (const DBusGUID *uuid,
+ DBusString *encoded);
+dbus_bool_t _dbus_read_uuid_file (const DBusString *filename,
+ DBusGUID *uuid,
+ dbus_bool_t create_if_not_found,
+ DBusError *error);
+
+dbus_bool_t _dbus_get_local_machine_uuid_encoded (DBusString *uuid_str);
+
+#define _DBUS_PASTE2(a, b) a ## b
+#define _DBUS_PASTE(a, b) _DBUS_PASTE2 (a, b)
+#define _DBUS_STATIC_ASSERT(expr) \
+ typedef struct { char _assertion[(expr) ? 1 : -1]; } \
+ _DBUS_PASTE (_DBUS_STATIC_ASSERT_, __LINE__)
+
DBUS_END_DECLS
#endif /* DBUS_INTERNALS_H */
projects / platform / upstream / dbus.git / blobdiff