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00023 #ifdef DBUS_INSIDE_DBUS_H
00024 #error "You can't include dbus-internals.h in the public header dbus.h"
00025 #endif
00026
00027 #ifndef DBUS_INTERNALS_H
00028 #define DBUS_INTERNALS_H
00029
00030 #include <dbus/dbus-memory.h>
00031 #include <dbus/dbus-types.h>
00032 #include <dbus/dbus-errors.h>
00033 #include <dbus/dbus-sysdeps.h>
00034 #include <dbus/dbus-threads-internal.h>
00035
00036 DBUS_BEGIN_DECLS
00037
00038 DBUS_PRIVATE_EXPORT
00039 void _dbus_warn (const char *format,
00040 ...) _DBUS_GNUC_PRINTF (1, 2);
00041
00042 DBUS_PRIVATE_EXPORT
00043 void _dbus_warn_check_failed (const char *format,
00044 ...) _DBUS_GNUC_PRINTF (1, 2);
00045
00046
00047 #if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
00048 #define _DBUS_FUNCTION_NAME __func__
00049 #elif defined(__GNUC__) || defined(_MSC_VER)
00050 #define _DBUS_FUNCTION_NAME __FUNCTION__
00051 #else
00052 #define _DBUS_FUNCTION_NAME "unknown function"
00053 #endif
00054
00055
00056
00057
00058
00059
00060
00061
00062
00063
00064
00065 #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
00066 #define _DBUS_BOOLEAN_EXPR(expr) \
00067 __extension__ ({ \
00068 int _dbus_boolean_var_; \
00069 if (expr) \
00070 _dbus_boolean_var_ = 1; \
00071 else \
00072 _dbus_boolean_var_ = 0; \
00073 _dbus_boolean_var_; \
00074 })
00075 #define _DBUS_LIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 1))
00076 #define _DBUS_UNLIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 0))
00077 #else
00078 #define _DBUS_LIKELY(expr) (expr)
00079 #define _DBUS_UNLIKELY(expr) (expr)
00080 #endif
00081
00082 #ifdef DBUS_ENABLE_VERBOSE_MODE
00083
00084
00085
00086
00087
00088
00089 #if defined(__GNUC__) || defined(_MSC_VER)
00090 #define DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
00091 #endif
00092
00093 #ifdef DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
00094 DBUS_PRIVATE_EXPORT
00095 void _dbus_verbose_real (const char *file, const int line, const char *function,
00096 const char *format,...) _DBUS_GNUC_PRINTF (4, 5);
00097 # define _dbus_verbose(fmt,...) _dbus_verbose_real( __FILE__,__LINE__,__FUNCTION__,fmt, ## __VA_ARGS__)
00098 #else
00099 DBUS_PRIVATE_EXPORT
00100 void _dbus_verbose_real (const char *format,
00101 ...) _DBUS_GNUC_PRINTF (1, 2);
00102 # define _dbus_verbose _dbus_verbose_real
00103 #endif
00104 DBUS_PRIVATE_EXPORT
00105 void _dbus_verbose_reset_real (void);
00106 DBUS_PRIVATE_EXPORT
00107 dbus_bool_t _dbus_is_verbose_real (void);
00108 DBUS_PRIVATE_EXPORT
00109 dbus_bool_t _dbus_get_verbose (void);
00110 DBUS_PRIVATE_EXPORT
00111 void _dbus_set_verbose (dbus_bool_t state);
00112
00113 # define _dbus_verbose_reset _dbus_verbose_reset_real
00114 # define _dbus_is_verbose _dbus_is_verbose_real
00115 #else
00116 # ifdef HAVE_ISO_VARARGS
00117 # define _dbus_verbose(...) do { } while (0)
00118 # elif defined (HAVE_GNUC_VARARGS)
00119 # define _dbus_verbose(format...) do { } while (0)
00120 # else
00121 static void _dbus_verbose(const char * x,...) {;}
00122 # endif
00123 # define _dbus_verbose_reset() do { } while (0)
00124 # define _dbus_is_verbose() FALSE
00125 #endif
00126
00127 DBUS_PRIVATE_EXPORT
00128 void _dbus_trace_ref (const char *obj_name,
00129 void *obj,
00130 int old_refcount,
00131 int new_refcount,
00132 const char *why,
00133 const char *env_var,
00134 int *enabled);
00135
00136 DBUS_PRIVATE_EXPORT
00137 const char* _dbus_strerror (int error_number);
00138
00139 #ifdef DBUS_DISABLE_ASSERT
00140 #define _dbus_assert(condition) do { } while (0)
00141 #else
00142 DBUS_PRIVATE_EXPORT
00143 void _dbus_real_assert (dbus_bool_t condition,
00144 const char *condition_text,
00145 const char *file,
00146 int line,
00147 const char *func);
00148 #define _dbus_assert(condition) \
00149 _dbus_real_assert ((condition) != 0, #condition, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)
00150 #endif
00151
00152 #ifdef DBUS_DISABLE_ASSERT
00153 #define _dbus_assert_not_reached(explanation) do { } while (0)
00154 #else
00155 DBUS_PRIVATE_EXPORT
00156 void _dbus_real_assert_not_reached (const char *explanation,
00157 const char *file,
00158 int line) _DBUS_GNUC_NORETURN;
00159 #define _dbus_assert_not_reached(explanation) \
00160 _dbus_real_assert_not_reached (explanation, __FILE__, __LINE__)
00161 #endif
00162
00163 #ifdef DBUS_DISABLE_CHECKS
00164 #define _dbus_return_if_fail(condition)
00165 #define _dbus_return_val_if_fail(condition, val)
00166 #else
00167
00168 DBUS_PRIVATE_EXPORT
00169 extern const char *_dbus_return_if_fail_warning_format;
00170
00171 #define _dbus_return_if_fail(condition) do { \
00172 _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
00173 if (!(condition)) { \
00174 _dbus_warn_check_failed (_dbus_return_if_fail_warning_format, \
00175 _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
00176 return; \
00177 } } while (0)
00178
00179 #define _dbus_return_val_if_fail(condition, val) do { \
00180 _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
00181 if (!(condition)) { \
00182 _dbus_warn_check_failed (_dbus_return_if_fail_warning_format, \
00183 _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
00184 return (val); \
00185 } } while (0)
00186
00187 #endif
00188
00189 #define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0])))
00190
00191 #define _DBUS_POINTER_TO_INT(pointer) ((intptr_t)(pointer))
00192 #define _DBUS_INT_TO_POINTER(integer) ((void*)((intptr_t)(integer)))
00193
00194 #define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object))))
00195
00196 #define _DBUS_STRUCT_OFFSET(struct_type, member) \
00197 ((intptr_t) ((unsigned char*) &((struct_type*) 0)->member))
00198
00199 #define _DBUS_ALIGNOF(type) \
00200 (_DBUS_STRUCT_OFFSET (struct { char _1; type _2; }, _2))
00201
00202 #ifdef DBUS_DISABLE_CHECKS
00203
00204
00205
00206 #define _DBUS_ASSERT_ERROR_IS_SET(error) do { } while (0)
00207 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) do { } while (0)
00208 #else
00209 static inline void
00210 _dbus_assert_error_is_set (const DBusError *error)
00211 {
00212 _dbus_assert (error == NULL || dbus_error_is_set (error));
00213 }
00214
00215 static inline void
00216 _dbus_assert_error_is_clear (const DBusError *error)
00217 {
00218 _dbus_assert (error == NULL || !dbus_error_is_set (error));
00219 }
00220
00221 #define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert_error_is_set(error)
00222 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert_error_is_clear(error)
00223 #endif
00224
00225 #define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error)))
00226 #define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val))
00227
00228
00229
00230
00231
00232
00233
00234
00235
00236
00237
00238
00239 #define _DBUS_ALIGN_VALUE(this, boundary) \
00240 (( ((uintptr_t)(this)) + (((uintptr_t)(boundary)) -1)) & (~(((uintptr_t)(boundary))-1)))
00241
00242 #define _DBUS_ALIGN_ADDRESS(this, boundary) \
00243 ((void*)_DBUS_ALIGN_VALUE(this, boundary))
00244
00245
00246 DBUS_PRIVATE_EXPORT
00247 char* _dbus_strdup (const char *str);
00248 void* _dbus_memdup (const void *mem,
00249 size_t n_bytes);
00250 DBUS_PRIVATE_EXPORT
00251 dbus_bool_t _dbus_string_array_contains (const char **array,
00252 const char *str);
00253 char** _dbus_dup_string_array (const char **array);
00254
00255 #define _DBUS_INT16_MIN ((dbus_int16_t) 0x8000)
00256 #define _DBUS_INT16_MAX ((dbus_int16_t) 0x7fff)
00257 #define _DBUS_UINT16_MAX ((dbus_uint16_t)0xffff)
00258 #define _DBUS_INT32_MIN ((dbus_int32_t) 0x80000000)
00259 #define _DBUS_INT32_MAX ((dbus_int32_t) 0x7fffffff)
00260 #define _DBUS_UINT32_MAX ((dbus_uint32_t)0xffffffff)
00261
00262 #define _DBUS_INT_MIN _DBUS_INT32_MIN
00263 #define _DBUS_INT_MAX _DBUS_INT32_MAX
00264 #define _DBUS_UINT_MAX _DBUS_UINT32_MAX
00265 #define _DBUS_INT64_MAX DBUS_INT64_CONSTANT (0x7fffffffffffffff)
00266 #define _DBUS_UINT64_MAX DBUS_UINT64_CONSTANT (0xffffffffffffffff)
00267 #define _DBUS_ONE_KILOBYTE 1024
00268 #define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE
00269 #define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60)
00270 #define _DBUS_USEC_PER_SECOND (1000000)
00271
00272 #undef MAX
00273 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
00274
00275 #undef MIN
00276 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
00277
00278 #undef ABS
00279 #define ABS(a) (((a) < 0) ? -(a) : (a))
00280
00281 #define _DBUS_ISASCII(c) ((c) != '\0' && (((c) & ~0x7f) == 0))
00282
00283 typedef void (* DBusForeachFunction) (void *element,
00284 void *data);
00285
00286 void _dbus_verbose_bytes (const unsigned char *data,
00287 int len,
00288 int offset);
00289 DBUS_PRIVATE_EXPORT
00290 void _dbus_verbose_bytes_of_string (const DBusString *str,
00291 int start,
00292 int len);
00293
00294 DBUS_PRIVATE_EXPORT
00295 extern const char *_dbus_no_memory_message;
00296 #define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message)
00297 DBUS_PRIVATE_EXPORT
00298 void _dbus_set_error_valist (DBusError *error,
00299 const char *name,
00300 const char *format,
00301 va_list args) _DBUS_GNUC_PRINTF (3, 0);
00302
00303 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
00304
00305 void _dbus_set_fail_alloc_counter (int until_next_fail);
00306 int _dbus_get_fail_alloc_counter (void);
00307 void _dbus_set_fail_alloc_failures (int failures_per_failure);
00308 int _dbus_get_fail_alloc_failures (void);
00309 dbus_bool_t _dbus_decrement_fail_alloc_counter (void);
00310 dbus_bool_t _dbus_disable_mem_pools (void);
00311 DBUS_PRIVATE_EXPORT
00312 int _dbus_get_malloc_blocks_outstanding (void);
00313
00314 typedef dbus_bool_t (* DBusTestMemoryFunction) (void *data);
00315 DBUS_PRIVATE_EXPORT
00316 dbus_bool_t _dbus_test_oom_handling (const char *description,
00317 DBusTestMemoryFunction func,
00318 void *data);
00319 #else
00320 #define _dbus_set_fail_alloc_counter(n)
00321 #define _dbus_get_fail_alloc_counter _DBUS_INT_MAX
00322
00323
00324
00325
00326 #define _dbus_decrement_fail_alloc_counter() (FALSE)
00327 #define _dbus_disable_mem_pools() (FALSE)
00328 #define _dbus_get_malloc_blocks_outstanding (0)
00329 #endif
00330
00331 typedef void (* DBusShutdownFunction) (void *data);
00332 DBUS_PRIVATE_EXPORT
00333 dbus_bool_t _dbus_register_shutdown_func (DBusShutdownFunction function,
00334 void *data);
00335 dbus_bool_t _dbus_register_shutdown_func_unlocked (DBusShutdownFunction function,
00336 void *data);
00337
00338 extern int _dbus_current_generation;
00339
00340
00341
00342 typedef enum
00343 {
00344
00345 _DBUS_LOCK_list,
00346 _DBUS_LOCK_connection_slots,
00347 _DBUS_LOCK_pending_call_slots,
00348 _DBUS_LOCK_server_slots,
00349 _DBUS_LOCK_message_slots,
00350
00351 _DBUS_LOCK_bus,
00352 _DBUS_LOCK_bus_datas,
00353 _DBUS_LOCK_shutdown_funcs,
00354 _DBUS_LOCK_system_users,
00355 _DBUS_LOCK_message_cache,
00356
00357 _DBUS_LOCK_shared_connections,
00358 _DBUS_LOCK_machine_uuid,
00359 _DBUS_LOCK_sysdeps,
00360
00361 _DBUS_N_GLOBAL_LOCKS
00362 } DBusGlobalLock;
00363
00364 dbus_bool_t _dbus_lock (DBusGlobalLock lock) _DBUS_GNUC_WARN_UNUSED_RESULT;
00365 void _dbus_unlock (DBusGlobalLock lock);
00366
00367 #define _DBUS_LOCK_NAME(name) _DBUS_LOCK_##name
00368 #define _DBUS_LOCK(name) _dbus_lock (_DBUS_LOCK_##name)
00369 #define _DBUS_UNLOCK(name) _dbus_unlock (_DBUS_LOCK_##name)
00370
00371 DBUS_PRIVATE_EXPORT
00372 dbus_bool_t _dbus_threads_init_debug (void);
00373
00374 dbus_bool_t _dbus_address_append_escaped (DBusString *escaped,
00375 const DBusString *unescaped);
00376
00377 void _dbus_set_bad_address (DBusError *error,
00378 const char *address_problem_type,
00379 const char *address_problem_field,
00380 const char *address_problem_other);
00381
00382 #define DBUS_UUID_LENGTH_BYTES 16
00383 #define DBUS_UUID_LENGTH_WORDS (DBUS_UUID_LENGTH_BYTES / 4)
00384 #define DBUS_UUID_LENGTH_HEX (DBUS_UUID_LENGTH_BYTES * 2)
00385
00390 union DBusGUID
00391 {
00392 dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS];
00393 char as_bytes[DBUS_UUID_LENGTH_BYTES];
00394 };
00395
00396 DBUS_PRIVATE_EXPORT _DBUS_GNUC_WARN_UNUSED_RESULT
00397 dbus_bool_t _dbus_generate_uuid (DBusGUID *uuid,
00398 DBusError *error);
00399 DBUS_PRIVATE_EXPORT
00400 dbus_bool_t _dbus_uuid_encode (const DBusGUID *uuid,
00401 DBusString *encoded);
00402 dbus_bool_t _dbus_read_uuid_file (const DBusString *filename,
00403 DBusGUID *uuid,
00404 dbus_bool_t create_if_not_found,
00405 DBusError *error);
00406
00407 dbus_bool_t _dbus_write_uuid_file (const DBusString *filename,
00408 const DBusGUID *uuid,
00409 DBusError *error);
00410
00411 dbus_bool_t _dbus_get_local_machine_uuid_encoded (DBusString *uuid_str,
00412 DBusError *error);
00413
00414 #define _DBUS_PASTE2(a, b) a ## b
00415 #define _DBUS_PASTE(a, b) _DBUS_PASTE2 (a, b)
00416 #define _DBUS_STATIC_ASSERT(expr) \
00417 typedef struct { char _assertion[(expr) ? 1 : -1]; } \
00418 _DBUS_PASTE (_DBUS_STATIC_ASSERT_, __LINE__) _DBUS_GNUC_UNUSED
00419
00420 DBUS_END_DECLS
00421
00422 #endif