00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
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 #ifndef DBUS_SESSION_BUS_DEFAULT_ADDRESS
00039 #define DBUS_SESSION_BUS_DEFAULT_ADDRESS "autolaunch:"
00040 #endif
00041
00042 void _dbus_warn (const char *format,
00043 ...) _DBUS_GNUC_PRINTF (1, 2);
00044
00045 void _dbus_warn_check_failed (const char *format,
00046 ...) _DBUS_GNUC_PRINTF (1, 2);
00047
00048
00049 #if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
00050 #define _DBUS_FUNCTION_NAME __func__
00051 #elif defined(__GNUC__) || defined(_MSC_VER)
00052 #define _DBUS_FUNCTION_NAME __FUNCTION__
00053 #else
00054 #define _DBUS_FUNCTION_NAME "unknown function"
00055 #endif
00056
00057
00058
00059
00060
00061
00062
00063
00064
00065
00066
00067 #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
00068 #define _DBUS_BOOLEAN_EXPR(expr) \
00069 __extension__ ({ \
00070 int _dbus_boolean_var_; \
00071 if (expr) \
00072 _dbus_boolean_var_ = 1; \
00073 else \
00074 _dbus_boolean_var_ = 0; \
00075 _dbus_boolean_var_; \
00076 })
00077 #define _DBUS_LIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 1))
00078 #define _DBUS_UNLIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 0))
00079 #else
00080 #define _DBUS_LIKELY(expr) (expr)
00081 #define _DBUS_UNLIKELY(expr) (expr)
00082 #endif
00083
00084 #ifdef DBUS_ENABLE_VERBOSE_MODE
00085
00086
00087
00088
00089
00090
00091 #if defined(__GNUC__) || defined(_MSC_VER)
00092 #define DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
00093 #endif
00094
00095 #ifdef DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS
00096 void _dbus_verbose_real (const char *file, const int line, const char *function,
00097 const char *format,...) _DBUS_GNUC_PRINTF (4, 5);
00098 # define _dbus_verbose(fmt,...) _dbus_verbose_real( __FILE__,__LINE__,__FUNCTION__,fmt, ## __VA_ARGS__)
00099 #else
00100 void _dbus_verbose_real (const char *format,
00101 ...) _DBUS_GNUC_PRINTF (1, 2);
00102 # define _dbus_verbose _dbus_verbose_real
00103 #endif
00104 void _dbus_verbose_reset_real (void);
00105 dbus_bool_t _dbus_is_verbose_real (void);
00106
00107 # define _dbus_verbose_reset _dbus_verbose_reset_real
00108 # define _dbus_is_verbose _dbus_is_verbose_real
00109 #else
00110 # ifdef HAVE_ISO_VARARGS
00111 # define _dbus_verbose(...)
00112 # elif defined (HAVE_GNUC_VARARGS)
00113 # define _dbus_verbose(format...)
00114 # else
00115 static void _dbus_verbose(const char * x,...) {;}
00116 # endif
00117 # define _dbus_verbose_reset()
00118 # define _dbus_is_verbose() FALSE
00119 #endif
00120
00121 const char* _dbus_strerror (int error_number);
00122
00123 #ifdef DBUS_DISABLE_ASSERT
00124 #define _dbus_assert(condition)
00125 #else
00126 void _dbus_real_assert (dbus_bool_t condition,
00127 const char *condition_text,
00128 const char *file,
00129 int line,
00130 const char *func);
00131 #define _dbus_assert(condition) \
00132 _dbus_real_assert ((condition) != 0, #condition, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)
00133 #endif
00134
00135 #ifdef DBUS_DISABLE_ASSERT
00136 #define _dbus_assert_not_reached(explanation)
00137 #else
00138 void _dbus_real_assert_not_reached (const char *explanation,
00139 const char *file,
00140 int line) _DBUS_GNUC_NORETURN;
00141 #define _dbus_assert_not_reached(explanation) \
00142 _dbus_real_assert_not_reached (explanation, __FILE__, __LINE__)
00143 #endif
00144
00145 #ifdef DBUS_DISABLE_CHECKS
00146 #define _dbus_return_if_fail(condition)
00147 #define _dbus_return_val_if_fail(condition, val)
00148 #else
00149
00150 extern const char *_dbus_return_if_fail_warning_format;
00151
00152 #define _dbus_return_if_fail(condition) do { \
00153 _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
00154 if (!(condition)) { \
00155 _dbus_warn_check_failed (_dbus_return_if_fail_warning_format, \
00156 _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
00157 return; \
00158 } } while (0)
00159
00160 #define _dbus_return_val_if_fail(condition, val) do { \
00161 _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
00162 if (!(condition)) { \
00163 _dbus_warn_check_failed (_dbus_return_if_fail_warning_format, \
00164 _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
00165 return (val); \
00166 } } while (0)
00167
00168 #endif
00169
00170 #define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0])))
00171
00172 #define _DBUS_POINTER_TO_INT(pointer) ((intptr_t)(pointer))
00173 #define _DBUS_INT_TO_POINTER(integer) ((void*)((intptr_t)(integer)))
00174
00175 #define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object))))
00176
00177 #define _DBUS_STRUCT_OFFSET(struct_type, member) \
00178 ((intptr_t) ((unsigned char*) &((struct_type*) 0)->member))
00179
00180 #ifdef DBUS_DISABLE_CHECKS
00181
00182
00183
00184 #define _DBUS_ASSERT_ERROR_IS_SET(error)
00185 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error)
00186 #else
00187 #define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert ((error) == NULL || dbus_error_is_set ((error)))
00188 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert ((error) == NULL || !dbus_error_is_set ((error)))
00189 #endif
00190
00191 #define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error)))
00192 #define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val))
00193
00194
00195
00196
00197
00198
00199
00200
00201
00202
00203
00204
00205 #define _DBUS_ALIGN_VALUE(this, boundary) \
00206 (( ((uintptr_t)(this)) + (((uintptr_t)(boundary)) -1)) & (~(((uintptr_t)(boundary))-1)))
00207
00208 #define _DBUS_ALIGN_ADDRESS(this, boundary) \
00209 ((void*)_DBUS_ALIGN_VALUE(this, boundary))
00210
00211
00212 char* _dbus_strdup (const char *str);
00213 void* _dbus_memdup (const void *mem,
00214 size_t n_bytes);
00215 dbus_bool_t _dbus_string_array_contains (const char **array,
00216 const char *str);
00217 char** _dbus_dup_string_array (const char **array);
00218
00219 #define _DBUS_INT16_MIN ((dbus_int16_t) 0x8000)
00220 #define _DBUS_INT16_MAX ((dbus_int16_t) 0x7fff)
00221 #define _DBUS_UINT16_MAX ((dbus_uint16_t)0xffff)
00222 #define _DBUS_INT32_MIN ((dbus_int32_t) 0x80000000)
00223 #define _DBUS_INT32_MAX ((dbus_int32_t) 0x7fffffff)
00224 #define _DBUS_UINT32_MAX ((dbus_uint32_t)0xffffffff)
00225
00226 #define _DBUS_INT_MIN _DBUS_INT32_MIN
00227 #define _DBUS_INT_MAX _DBUS_INT32_MAX
00228 #define _DBUS_UINT_MAX _DBUS_UINT32_MAX
00229 #ifdef DBUS_HAVE_INT64
00230 #define _DBUS_INT64_MAX DBUS_INT64_CONSTANT (0x7fffffffffffffff)
00231 #define _DBUS_UINT64_MAX DBUS_UINT64_CONSTANT (0xffffffffffffffff)
00232 #endif
00233 #define _DBUS_ONE_KILOBYTE 1024
00234 #define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE
00235 #define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60)
00236 #define _DBUS_USEC_PER_SECOND (1000000)
00237
00238 #undef MAX
00239 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
00240
00241 #undef MIN
00242 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
00243
00244 #undef ABS
00245 #define ABS(a) (((a) < 0) ? -(a) : (a))
00246
00247 #define _DBUS_ISASCII(c) ((c) != '\0' && (((c) & ~0x7f) == 0))
00248
00249 typedef void (* DBusForeachFunction) (void *element,
00250 void *data);
00251
00252 dbus_bool_t _dbus_set_fd_nonblocking (int fd,
00253 DBusError *error);
00254
00255 void _dbus_verbose_bytes (const unsigned char *data,
00256 int len,
00257 int offset);
00258 void _dbus_verbose_bytes_of_string (const DBusString *str,
00259 int start,
00260 int len);
00261
00262 const char* _dbus_header_field_to_string (int header_field);
00263
00264 extern const char *_dbus_no_memory_message;
00265 #define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message)
00266
00267 #ifdef DBUS_BUILD_TESTS
00268
00269 void _dbus_set_fail_alloc_counter (int until_next_fail);
00270 int _dbus_get_fail_alloc_counter (void);
00271 void _dbus_set_fail_alloc_failures (int failures_per_failure);
00272 int _dbus_get_fail_alloc_failures (void);
00273 dbus_bool_t _dbus_decrement_fail_alloc_counter (void);
00274 dbus_bool_t _dbus_disable_mem_pools (void);
00275 int _dbus_get_malloc_blocks_outstanding (void);
00276
00277 typedef dbus_bool_t (* DBusTestMemoryFunction) (void *data);
00278 dbus_bool_t _dbus_test_oom_handling (const char *description,
00279 DBusTestMemoryFunction func,
00280 void *data);
00281 #else
00282 #define _dbus_set_fail_alloc_counter(n)
00283 #define _dbus_get_fail_alloc_counter _DBUS_INT_MAX
00284
00285
00286
00287
00288 #define _dbus_decrement_fail_alloc_counter() (FALSE)
00289 #define _dbus_disable_mem_pools() (FALSE)
00290 #define _dbus_get_malloc_blocks_outstanding (0)
00291 #endif
00292
00293 typedef void (* DBusShutdownFunction) (void *data);
00294 dbus_bool_t _dbus_register_shutdown_func (DBusShutdownFunction function,
00295 void *data);
00296
00297 extern int _dbus_current_generation;
00298
00299
00300 #define _DBUS_LOCK_NAME(name) _dbus_lock_##name
00301 #define _DBUS_DECLARE_GLOBAL_LOCK(name) extern DBusMutex *_dbus_lock_##name
00302 #define _DBUS_DEFINE_GLOBAL_LOCK(name) DBusMutex *_dbus_lock_##name
00303 #define _DBUS_LOCK(name) _dbus_mutex_lock (_dbus_lock_##name)
00304 #define _DBUS_UNLOCK(name) _dbus_mutex_unlock (_dbus_lock_##name)
00305
00306
00307 _DBUS_DECLARE_GLOBAL_LOCK (list);
00308 _DBUS_DECLARE_GLOBAL_LOCK (connection_slots);
00309 _DBUS_DECLARE_GLOBAL_LOCK (pending_call_slots);
00310 _DBUS_DECLARE_GLOBAL_LOCK (server_slots);
00311 _DBUS_DECLARE_GLOBAL_LOCK (message_slots);
00312
00313 _DBUS_DECLARE_GLOBAL_LOCK (bus);
00314 _DBUS_DECLARE_GLOBAL_LOCK (bus_datas);
00315 _DBUS_DECLARE_GLOBAL_LOCK (shutdown_funcs);
00316 _DBUS_DECLARE_GLOBAL_LOCK (system_users);
00317 _DBUS_DECLARE_GLOBAL_LOCK (message_cache);
00318
00319 _DBUS_DECLARE_GLOBAL_LOCK (shared_connections);
00320 _DBUS_DECLARE_GLOBAL_LOCK (win_fds);
00321 _DBUS_DECLARE_GLOBAL_LOCK (sid_atom_cache);
00322 _DBUS_DECLARE_GLOBAL_LOCK (machine_uuid);
00323
00324 #if !DBUS_USE_SYNC
00325 _DBUS_DECLARE_GLOBAL_LOCK (atomic);
00326 #define _DBUS_N_GLOBAL_LOCKS (15)
00327 #else
00328 #define _DBUS_N_GLOBAL_LOCKS (14)
00329 #endif
00330
00331 dbus_bool_t _dbus_threads_init_debug (void);
00332
00333 dbus_bool_t _dbus_address_append_escaped (DBusString *escaped,
00334 const DBusString *unescaped);
00335
00336 void _dbus_set_bad_address (DBusError *error,
00337 const char *address_problem_type,
00338 const char *address_problem_field,
00339 const char *address_problem_other);
00340
00341 #define DBUS_UUID_LENGTH_BYTES 16
00342 #define DBUS_UUID_LENGTH_WORDS (DBUS_UUID_LENGTH_BYTES / 4)
00343 #define DBUS_UUID_LENGTH_HEX (DBUS_UUID_LENGTH_BYTES * 2)
00344
00349 union DBusGUID
00350 {
00351 dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS];
00352 char as_bytes[DBUS_UUID_LENGTH_BYTES];
00353 };
00354
00355 void _dbus_generate_uuid (DBusGUID *uuid);
00356 dbus_bool_t _dbus_uuid_encode (const DBusGUID *uuid,
00357 DBusString *encoded);
00358 dbus_bool_t _dbus_read_uuid_file (const DBusString *filename,
00359 DBusGUID *uuid,
00360 dbus_bool_t create_if_not_found,
00361 DBusError *error);
00362
00363 dbus_bool_t _dbus_get_local_machine_uuid_encoded (DBusString *uuid_str);
00364
00365 DBUS_END_DECLS
00366
00367 #endif