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> 40 ...) _DBUS_GNUC_PRINTF (1, 2);
44 ...) _DBUS_GNUC_PRINTF (1, 2);
46 void _dbus_warn_return_if_fail (const
char *function,
47 const
char *assertion,
51 #if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) 52 #define _DBUS_FUNCTION_NAME __func__ 53 #elif defined(__GNUC__) || defined(_MSC_VER) 54 #define _DBUS_FUNCTION_NAME __FUNCTION__ 56 #define _DBUS_FUNCTION_NAME "unknown function" 69 #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__) 70 #define _DBUS_BOOLEAN_EXPR(expr) \ 72 int _dbus_boolean_var_; \ 74 _dbus_boolean_var_ = 1; \ 76 _dbus_boolean_var_ = 0; \ 79 #define _DBUS_LIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 1)) 80 #define _DBUS_UNLIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 0)) 82 #define _DBUS_LIKELY(expr) (expr) 83 #define _DBUS_UNLIKELY(expr) (expr) 86 #ifdef DBUS_ENABLE_VERBOSE_MODE 93 #if defined(__GNUC__) || defined(_MSC_VER) 94 #define DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS 97 #ifdef DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS 99 void _dbus_verbose_real (
const char *file,
const int line,
const char *
function,
100 const char *format,...) _DBUS_GNUC_PRINTF (4, 5);
101 # define _dbus_verbose(fmt,...) _dbus_verbose_real( __FILE__,__LINE__,__FUNCTION__,fmt, ## __VA_ARGS__) 104 void _dbus_verbose_real (
const char *format,
105 ...) _DBUS_GNUC_PRINTF (1, 2);
106 # define _dbus_verbose _dbus_verbose_real 109 void _dbus_verbose_reset_real (
void);
117 # define _dbus_verbose_reset _dbus_verbose_reset_real 118 # define _dbus_is_verbose _dbus_is_verbose_real 120 # define _dbus_verbose(...) do { } while (0) 121 # define _dbus_verbose_reset() do { } while (0) 122 # define _dbus_is_verbose() FALSE 126 void _dbus_trace_ref (
const char *obj_name,
135 const char* _dbus_strerror (
int error_number);
137 #ifdef DBUS_DISABLE_ASSERT 138 #define _dbus_assert(condition) do { } while (0) 142 const char *condition_text,
146 #define _dbus_assert(condition) \ 147 _dbus_real_assert ((condition) != 0, #condition, __FILE__, __LINE__, _DBUS_FUNCTION_NAME) 150 #ifdef DBUS_DISABLE_ASSERT 151 #define _dbus_assert_not_reached(explanation) do { } while (0) 156 int line) _DBUS_GNUC_NORETURN;
157 #define _dbus_assert_not_reached(explanation) \ 158 _dbus_real_assert_not_reached (explanation, __FILE__, __LINE__) 161 #ifdef DBUS_DISABLE_CHECKS 162 #define _dbus_return_if_fail(condition) 163 #define _dbus_return_val_if_fail(condition, val) 166 #define _dbus_return_if_fail(condition) do { \ 167 _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \ 168 if (!(condition)) { \ 169 _dbus_warn_return_if_fail (_DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \ 173 #define _dbus_return_val_if_fail(condition, val) do { \ 174 _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \ 175 if (!(condition)) { \ 176 _dbus_warn_return_if_fail (_DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \ 182 #define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0]))) 184 #define _DBUS_POINTER_TO_INT(pointer) ((intptr_t)(pointer)) 185 #define _DBUS_INT_TO_POINTER(integer) ((void*)((intptr_t)(integer))) 187 #define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object)))) 189 #define _DBUS_STRUCT_OFFSET(struct_type, member) \ 190 ((intptr_t) ((unsigned char*) &((struct_type*) 0)->member)) 192 #define _DBUS_ALIGNOF(type) \ 193 (_DBUS_STRUCT_OFFSET (struct { char _1; type _2; }, _2)) 195 #if defined(DBUS_DISABLE_CHECKS) || defined(DBUS_DISABLE_ASSERT) 199 #define _DBUS_ASSERT_ERROR_IS_SET(error) do { } while (0) 200 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) do { } while (0) 201 #define _DBUS_ASSERT_ERROR_XOR_BOOL(error, retval) do { } while (0) 204 _dbus_assert_error_is_set (
const DBusError *error,
210 "error is set", file, line, func);
214 _dbus_assert_error_is_clear (
const DBusError *error,
220 "error is clear", file, line, func);
224 _dbus_assert_error_xor_bool (
const DBusError *error,
231 "error is consistent with boolean result", file, line, func);
238 #define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert_error_is_set (error, __FILE__, __LINE__, _DBUS_FUNCTION_NAME) 244 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert_error_is_clear (error, __FILE__, __LINE__, _DBUS_FUNCTION_NAME) 252 #define _DBUS_ASSERT_ERROR_XOR_BOOL(error, retval) _dbus_assert_error_xor_bool (error, retval, __FILE__, __LINE__, _DBUS_FUNCTION_NAME) 255 #define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error))) 256 #define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val)) 269 #define _DBUS_ALIGN_VALUE(this, boundary) \ 270 (( ((uintptr_t)(this)) + (((uintptr_t)(boundary)) -1)) & (~(((uintptr_t)(boundary))-1))) 272 #define _DBUS_ALIGN_ADDRESS(this, boundary) \ 273 ((void*)_DBUS_ALIGN_VALUE(this, boundary)) 287 #define _DBUS_INT16_MIN ((dbus_int16_t) 0x8000) 288 #define _DBUS_INT16_MAX ((dbus_int16_t) 0x7fff) 289 #define _DBUS_UINT16_MAX ((dbus_uint16_t)0xffff) 290 #define _DBUS_INT32_MIN ((dbus_int32_t) 0x80000000) 291 #define _DBUS_INT32_MAX ((dbus_int32_t) 0x7fffffff) 292 #define _DBUS_UINT32_MAX ((dbus_uint32_t)0xffffffff) 294 #define _DBUS_INT_MIN _DBUS_INT32_MIN 295 #define _DBUS_INT_MAX _DBUS_INT32_MAX 296 #define _DBUS_UINT_MAX _DBUS_UINT32_MAX 297 #define _DBUS_INT64_MAX DBUS_INT64_CONSTANT (0x7fffffffffffffff) 298 #define _DBUS_UINT64_MAX DBUS_UINT64_CONSTANT (0xffffffffffffffff) 299 #define _DBUS_ONE_KILOBYTE 1024 300 #define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE 301 #define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60) 302 #define _DBUS_USEC_PER_SECOND (1000000) 305 #define MAX(a, b) (((a) > (b)) ? (a) : (b)) 308 #define MIN(a, b) (((a) < (b)) ? (a) : (b)) 311 #define ABS(a) (((a) < 0) ? -(a) : (a)) 313 #define _DBUS_ISASCII(c) ((c) != '\0' && (((c) & ~0x7f) == 0)) 328 #define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message) 330 void _dbus_set_error_valist (
DBusError *error,
333 va_list args) _DBUS_GNUC_PRINTF (3, 0);
335 typedef dbus_bool_t (* DBusTestMemoryFunction) (
void *data,
338 #ifdef DBUS_ENABLE_EMBEDDED_TESTS 340 void _dbus_set_fail_alloc_counter (
int until_next_fail);
341 int _dbus_get_fail_alloc_counter (
void);
342 void _dbus_set_fail_alloc_failures (
int failures_per_failure);
343 int _dbus_get_fail_alloc_failures (
void);
344 dbus_bool_t _dbus_decrement_fail_alloc_counter (
void);
347 int _dbus_get_malloc_blocks_outstanding (
void);
350 dbus_bool_t _dbus_test_oom_handling (
const char *description,
351 DBusTestMemoryFunction func,
354 #define _dbus_set_fail_alloc_counter(n) 355 #define _dbus_get_fail_alloc_counter _DBUS_INT_MAX 360 #define _dbus_decrement_fail_alloc_counter() (FALSE) 361 #define _dbus_disable_mem_pools() (FALSE) 362 #define _dbus_get_malloc_blocks_outstanding() (0) 364 #define _dbus_test_oom_handling(description, func, data) ((*func) (data, TRUE)) 367 typedef void (* DBusShutdownFunction) (
void *data);
371 dbus_bool_t _dbus_register_shutdown_func_unlocked (DBusShutdownFunction
function,
382 _DBUS_LOCK_connection_slots,
383 _DBUS_LOCK_pending_call_slots,
384 _DBUS_LOCK_server_slots,
385 _DBUS_LOCK_message_slots,
388 _DBUS_LOCK_bus_datas,
389 _DBUS_LOCK_shutdown_funcs,
390 _DBUS_LOCK_system_users,
391 _DBUS_LOCK_message_cache,
393 _DBUS_LOCK_shared_connections,
394 _DBUS_LOCK_machine_uuid,
400 _DBUS_WARN_UNUSED_RESULT
402 void _dbus_unlock (DBusGlobalLock lock);
404 #define _DBUS_LOCK_NAME(name) _DBUS_LOCK_##name 405 #define _DBUS_LOCK(name) _dbus_lock (_DBUS_LOCK_##name) 406 #define _DBUS_UNLOCK(name) _dbus_unlock (_DBUS_LOCK_##name) 416 const char *address_problem_type,
417 const char *address_problem_field,
418 const char *address_problem_other);
420 #define DBUS_UUID_LENGTH_BYTES 16 421 #define DBUS_UUID_LENGTH_WORDS (DBUS_UUID_LENGTH_BYTES / 4) 422 #define DBUS_UUID_LENGTH_HEX (DBUS_UUID_LENGTH_BYTES * 2) 434 DBUS_PRIVATE_EXPORT _DBUS_WARN_UNUSED_RESULT
453 #define _DBUS_PASTE2(a, b) a ## b 454 #define _DBUS_PASTE(a, b) _DBUS_PASTE2 (a, b) 455 #define _DBUS_STATIC_ASSERT(expr) \ 456 typedef struct { char _assertion[(expr) ? 1 : -1]; } \ 457 _DBUS_PASTE (_DBUS_STATIC_ASSERT_, __LINE__) _DBUS_GNUC_UNUSED DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_uuid_encode(const DBusGUID *uuid, DBusString *encoded)
Hex-encode a UUID.
#define NULL
A null pointer, defined appropriately for C or C++.
#define DBUS_BEGIN_DECLS
Macro used prior to declaring functions in the D-Bus header files.
DBUS_PRIVATE_EXPORT 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_PRIVATE_EXPORT _DBUS_WARN_UNUSED_RESULT dbus_bool_t _dbus_generate_uuid(DBusGUID *uuid, DBusError *error)
Generates a new UUID.
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_get_local_machine_uuid_encoded(DBusString *uuid_str, DBusError *error)
Gets the hex-encoded UUID of the machine this function is executed on.
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
DBUS_PRIVATE_EXPORT 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_PRIVATE_EXPORT 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.
DBUS_PRIVATE_EXPORT const char * _dbus_no_memory_message
Fixed "out of memory" error message, just to avoid making up a different string every time and wastin...
DBUS_PRIVATE_EXPORT 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_PRIVATE_EXPORT 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...
DBUS_PRIVATE_EXPORT size_t _dbus_string_array_length(const char **array)
Returns the size of a string array.
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_PRIVATE_EXPORT 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.
dbus_bool_t _dbus_write_uuid_file(const DBusString *filename, const DBusGUID *uuid, DBusError *error)
Write the give UUID to a file.
DBUS_PRIVATE_EXPORT 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...
DBUS_PRIVATE_EXPORT void _dbus_verbose_bytes_of_string(const DBusString *str, int start, int len)
Dump the given part of the string to verbose log.
DBUS_PRIVATE_EXPORT char * _dbus_strdup(const char *str)
Duplicates a string.
dbus_bool_t dbus_error_is_set(const DBusError *error)
Checks whether an error occurred (the error is set).
#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.