23 #ifdef DBUS_INSIDE_DBUS_H
24 #error "You can't include dbus-internals.h in the public header dbus.h"
27 #ifndef DBUS_INTERNALS_H
28 #define DBUS_INTERNALS_H
30 #include <dbus/dbus-memory.h>
31 #include <dbus/dbus-types.h>
32 #include <dbus/dbus-errors.h>
33 #include <dbus/dbus-sysdeps.h>
34 #include <dbus/dbus-threads-internal.h>
39 ...) _DBUS_GNUC_PRINTF (1, 2);
42 ...) _DBUS_GNUC_PRINTF (1, 2);
45 #if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
46 #define _DBUS_FUNCTION_NAME __func__
47 #elif defined(__GNUC__) || defined(_MSC_VER)
48 #define _DBUS_FUNCTION_NAME __FUNCTION__
50 #define _DBUS_FUNCTION_NAME "unknown function"
63 #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
64 #define _DBUS_BOOLEAN_EXPR(expr) \
66 int _dbus_boolean_var_; \
68 _dbus_boolean_var_ = 1; \
70 _dbus_boolean_var_ = 0; \
73 #define _DBUS_LIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 1))
74 #define _DBUS_UNLIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 0))
76 #define _DBUS_LIKELY(expr) (expr)
77 #define _DBUS_UNLIKELY(expr) (expr)
80 #ifdef DBUS_ENABLE_VERBOSE_MODE
87 #if defined(__GNUC__) || defined(_MSC_VER)
88 #define DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
91 #ifdef DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
92 void _dbus_verbose_real (
const char *file,
const int line,
const char *
function,
93 const char *format,...) _DBUS_GNUC_PRINTF (4, 5);
94 # define _dbus_verbose(fmt,...) _dbus_verbose_real( __FILE__,__LINE__,__FUNCTION__,fmt, ## __VA_ARGS__)
96 void _dbus_verbose_real (
const char *format,
97 ...) _DBUS_GNUC_PRINTF (1, 2);
98 # define _dbus_verbose _dbus_verbose_real
100 void _dbus_verbose_reset_real (
void);
103 # define _dbus_verbose_reset _dbus_verbose_reset_real
104 # define _dbus_is_verbose _dbus_is_verbose_real
106 # ifdef HAVE_ISO_VARARGS
107 # define _dbus_verbose(...) do { } while (0)
108 # elif defined (HAVE_GNUC_VARARGS)
109 # define _dbus_verbose(format...) do { } while (0)
111 static void _dbus_verbose(
const char * x,...) {;}
113 # define _dbus_verbose_reset() do { } while (0)
114 # define _dbus_is_verbose() FALSE
117 void _dbus_trace_ref (
const char *obj_name,
125 const char* _dbus_strerror (
int error_number);
127 #ifdef DBUS_DISABLE_ASSERT
128 #define _dbus_assert(condition) do { } while (0)
131 const char *condition_text,
135 #define _dbus_assert(condition) \
136 _dbus_real_assert ((condition) != 0, #condition, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)
139 #ifdef DBUS_DISABLE_ASSERT
140 #define _dbus_assert_not_reached(explanation) do { } while (0)
144 int line) _DBUS_GNUC_NORETURN;
145 #define _dbus_assert_not_reached(explanation) \
146 _dbus_real_assert_not_reached (explanation, __FILE__, __LINE__)
149 #ifdef DBUS_DISABLE_CHECKS
150 #define _dbus_return_if_fail(condition)
151 #define _dbus_return_val_if_fail(condition, val)
156 #define _dbus_return_if_fail(condition) do { \
157 _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
158 if (!(condition)) { \
159 _dbus_warn_check_failed (_dbus_return_if_fail_warning_format, \
160 _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
164 #define _dbus_return_val_if_fail(condition, val) do { \
165 _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
166 if (!(condition)) { \
167 _dbus_warn_check_failed (_dbus_return_if_fail_warning_format, \
168 _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
174 #define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0])))
176 #define _DBUS_POINTER_TO_INT(pointer) ((intptr_t)(pointer))
177 #define _DBUS_INT_TO_POINTER(integer) ((void*)((intptr_t)(integer)))
179 #define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object))))
181 #define _DBUS_STRUCT_OFFSET(struct_type, member) \
182 ((intptr_t) ((unsigned char*) &((struct_type*) 0)->member))
184 #ifdef DBUS_DISABLE_CHECKS
188 #define _DBUS_ASSERT_ERROR_IS_SET(error) do { } while (0)
189 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) do { } while (0)
191 #define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert ((error) == NULL || dbus_error_is_set ((error)))
192 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert ((error) == NULL || !dbus_error_is_set ((error)))
195 #define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error)))
196 #define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val))
209 #define _DBUS_ALIGN_VALUE(this, boundary) \
210 (( ((uintptr_t)(this)) + (((uintptr_t)(boundary)) -1)) & (~(((uintptr_t)(boundary))-1)))
212 #define _DBUS_ALIGN_ADDRESS(this, boundary) \
213 ((void*)_DBUS_ALIGN_VALUE(this, boundary))
223 #define _DBUS_INT16_MIN ((dbus_int16_t) 0x8000)
224 #define _DBUS_INT16_MAX ((dbus_int16_t) 0x7fff)
225 #define _DBUS_UINT16_MAX ((dbus_uint16_t)0xffff)
226 #define _DBUS_INT32_MIN ((dbus_int32_t) 0x80000000)
227 #define _DBUS_INT32_MAX ((dbus_int32_t) 0x7fffffff)
228 #define _DBUS_UINT32_MAX ((dbus_uint32_t)0xffffffff)
230 #define _DBUS_INT_MIN _DBUS_INT32_MIN
231 #define _DBUS_INT_MAX _DBUS_INT32_MAX
232 #define _DBUS_UINT_MAX _DBUS_UINT32_MAX
233 #define _DBUS_INT64_MAX DBUS_INT64_CONSTANT (0x7fffffffffffffff)
234 #define _DBUS_UINT64_MAX DBUS_UINT64_CONSTANT (0xffffffffffffffff)
235 #define _DBUS_ONE_KILOBYTE 1024
236 #define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE
237 #define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60)
238 #define _DBUS_USEC_PER_SECOND (1000000)
241 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
244 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
247 #define ABS(a) (((a) < 0) ? -(a) : (a))
249 #define _DBUS_ISASCII(c) ((c) != '\0' && (((c) & ~0x7f) == 0))
265 #define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message)
267 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
269 void _dbus_set_fail_alloc_counter (
int until_next_fail);
270 int _dbus_get_fail_alloc_counter (
void);
271 void _dbus_set_fail_alloc_failures (
int failures_per_failure);
272 int _dbus_get_fail_alloc_failures (
void);
273 dbus_bool_t _dbus_decrement_fail_alloc_counter (
void);
275 int _dbus_get_malloc_blocks_outstanding (
void);
277 typedef dbus_bool_t (* DBusTestMemoryFunction) (
void *data);
278 dbus_bool_t _dbus_test_oom_handling (
const char *description,
279 DBusTestMemoryFunction func,
282 #define _dbus_set_fail_alloc_counter(n)
283 #define _dbus_get_fail_alloc_counter _DBUS_INT_MAX
288 #define _dbus_decrement_fail_alloc_counter() (FALSE)
289 #define _dbus_disable_mem_pools() (FALSE)
290 #define _dbus_get_malloc_blocks_outstanding (0)
293 typedef void (* DBusShutdownFunction) (
void *data);
296 dbus_bool_t _dbus_register_shutdown_func_unlocked (DBusShutdownFunction
function,
307 _DBUS_LOCK_connection_slots,
308 _DBUS_LOCK_pending_call_slots,
309 _DBUS_LOCK_server_slots,
310 _DBUS_LOCK_message_slots,
313 _DBUS_LOCK_bus_datas,
314 _DBUS_LOCK_shutdown_funcs,
315 _DBUS_LOCK_system_users,
316 _DBUS_LOCK_message_cache,
318 _DBUS_LOCK_shared_connections,
319 _DBUS_LOCK_machine_uuid,
325 dbus_bool_t _dbus_lock (DBusGlobalLock lock) _DBUS_GNUC_WARN_UNUSED_RESULT;
326 void _dbus_unlock (DBusGlobalLock lock);
328 #define _DBUS_LOCK_NAME(name) _DBUS_LOCK_##name
329 #define _DBUS_LOCK(name) _dbus_lock (_DBUS_LOCK_##name)
330 #define _DBUS_UNLOCK(name) _dbus_unlock (_DBUS_LOCK_##name)
338 const char *address_problem_type,
339 const char *address_problem_field,
340 const char *address_problem_other);
342 #define DBUS_UUID_LENGTH_BYTES 16
343 #define DBUS_UUID_LENGTH_WORDS (DBUS_UUID_LENGTH_BYTES / 4)
344 #define DBUS_UUID_LENGTH_HEX (DBUS_UUID_LENGTH_BYTES * 2)
370 #define _DBUS_PASTE2(a, b) a ## b
371 #define _DBUS_PASTE(a, b) _DBUS_PASTE2 (a, b)
372 #define _DBUS_STATIC_ASSERT(expr) \
373 typedef struct { char _assertion[(expr) ? 1 : -1]; } \
374 _DBUS_PASTE (_DBUS_STATIC_ASSERT_, __LINE__) _DBUS_GNUC_UNUSED
unsigned int dbus_uint32_t
A 32-bit unsigned integer on all platforms.
dbus_bool_t _dbus_uuid_encode(const DBusGUID *uuid, DBusString *encoded)
Hex-encode a UUID.
#define DBUS_BEGIN_DECLS
Macro used prior to declaring functions in the D-Bus header files.
void _dbus_real_assert(dbus_bool_t condition, const char *condition_text, const char *file, int line, const char *func)
Internals of _dbus_assert(); it's a function rather than a macro with the inline code so that the ass...
dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS]
guid as four uint32 values
const char * _dbus_return_if_fail_warning_format
String used in _dbus_return_if_fail macro.
char as_bytes[DBUS_UUID_LENGTH_BYTES]
guid as 16 single-byte values
void _dbus_warn_check_failed(const char *format,...)
Prints a "critical" warning to stderr when an assertion fails; differs from _dbus_warn primarily in t...
A globally unique ID ; we have one for each DBusServer, and also one for each machine with libdbus in...
dbus_bool_t _dbus_get_local_machine_uuid_encoded(DBusString *uuid_str)
Gets the hex-encoded UUID of the machine this function is executed on.
void _dbus_real_assert_not_reached(const char *explanation, const char *file, int line) _DBUS_GNUC_NORETURN
Internals of _dbus_assert_not_reached(); it's a function rather than a macro with the inline code so ...
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
const char * _dbus_no_memory_message
Fixed "out of memory" error message, just to avoid making up a different string every time and wastin...
void _dbus_warn(const char *format,...)
Prints a warning message to stderr.
void * _dbus_memdup(const void *mem, size_t n_bytes)
Duplicates a block of memory.
void _dbus_set_bad_address(DBusError *error, const char *address_problem_type, const char *address_problem_field, const char *address_problem_other)
Sets DBUS_ERROR_BAD_ADDRESS.
int _dbus_current_generation
_dbus_current_generation is used to track each time that dbus_shutdown() is called, so we can reinit things after it's been called.
Object representing an exception.
dbus_bool_t _dbus_address_append_escaped(DBusString *escaped, const DBusString *unescaped)
Appends an escaped version of one string to another string, using the D-Bus address escaping mechanis...
char ** _dbus_dup_string_array(const char **array)
Duplicates a string array.
dbus_bool_t _dbus_read_uuid_file(const DBusString *filename, DBusGUID *uuid, dbus_bool_t create_if_not_found, DBusError *error)
Reads (and optionally writes) a uuid to a file.
dbus_bool_t _dbus_string_array_contains(const char **array, const char *str)
Checks whether a string array contains the given string.
void(* DBusForeachFunction)(void *element, void *data)
Used to iterate over each item in a collection, such as a DBusList.
void _dbus_generate_uuid(DBusGUID *uuid)
Generates a new UUID.
dbus_bool_t _dbus_write_uuid_file(const DBusString *filename, const DBusGUID *uuid, DBusError *error)
Write the give UUID to a file.
dbus_bool_t _dbus_register_shutdown_func(DBusShutdownFunction function, void *data)
Register a cleanup function to be called exactly once the next time dbus_shutdown() is called...
void _dbus_verbose_bytes_of_string(const DBusString *str, int start, int len)
Dump the given part of the string to verbose log.
char * _dbus_strdup(const char *str)
Duplicates a string.
#define DBUS_END_DECLS
Macro used after declaring functions in the D-Bus header files.
void _dbus_verbose_bytes(const unsigned char *data, int len, int offset)
If in verbose mode, print a block of binary data.