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 <config.h>
00031
00032 #include <dbus/dbus-memory.h>
00033 #include <dbus/dbus-types.h>
00034 #include <dbus/dbus-errors.h>
00035 #include <dbus/dbus-sysdeps.h>
00036 #include <dbus/dbus-threads-internal.h>
00037
00038 DBUS_BEGIN_DECLS
00039
00040 void _dbus_warn (const char *format,
00041 ...) _DBUS_GNUC_PRINTF (1, 2);
00042
00043 #if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
00044 #define _DBUS_FUNCTION_NAME __func__
00045 #elif defined(__GNUC__)
00046 #define _DBUS_FUNCTION_NAME __FUNCTION__
00047 #else
00048 #define _DBUS_FUNCTION_NAME "unknown function"
00049 #endif
00050
00051
00052
00053
00054
00055
00056
00057
00058
00059
00060
00061 #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
00062 #define _DBUS_BOOLEAN_EXPR(expr) \
00063 __extension__ ({ \
00064 int _dbus_boolean_var_; \
00065 if (expr) \
00066 _dbus_boolean_var_ = 1; \
00067 else \
00068 _dbus_boolean_var_ = 0; \
00069 _dbus_boolean_var_; \
00070 })
00071 #define _DBUS_LIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 1))
00072 #define _DBUS_UNLIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 0))
00073 #else
00074 #define _DBUS_LIKELY(expr) (expr)
00075 #define _DBUS_UNLIKELY(expr) (expr)
00076 #endif
00077
00078 #ifdef DBUS_ENABLE_VERBOSE_MODE
00079
00080 void _dbus_verbose_real (const char *format,
00081 ...) _DBUS_GNUC_PRINTF (1, 2);
00082 void _dbus_verbose_reset_real (void);
00083
00084 # define _dbus_verbose _dbus_verbose_real
00085 # define _dbus_verbose_reset _dbus_verbose_reset_real
00086 #else
00087 # ifdef HAVE_ISO_VARARGS
00088 # define _dbus_verbose(...)
00089 # elif defined (HAVE_GNUC_VARARGS)
00090 # define _dbus_verbose(format...)
00091 # else
00092 # error "This compiler does not support varargs macros and thus verbose mode can't be disabled meaningfully"
00093 # endif
00094 # define _dbus_verbose_reset()
00095 #endif
00096
00097 const char* _dbus_strerror (int error_number);
00098
00099 #ifdef DBUS_DISABLE_ASSERT
00100 #define _dbus_assert(condition)
00101 #else
00102 void _dbus_real_assert (dbus_bool_t condition,
00103 const char *condition_text,
00104 const char *file,
00105 int line,
00106 const char *func);
00107 #define _dbus_assert(condition) \
00108 _dbus_real_assert ((condition) != 0, #condition, __FILE__, __LINE__, _DBUS_FUNCTION_NAME)
00109 #endif
00110
00111 #ifdef DBUS_DISABLE_ASSERT
00112 #define _dbus_assert_not_reached(explanation)
00113 #else
00114 void _dbus_real_assert_not_reached (const char *explanation,
00115 const char *file,
00116 int line) _DBUS_GNUC_NORETURN;
00117 #define _dbus_assert_not_reached(explanation) \
00118 _dbus_real_assert_not_reached (explanation, __FILE__, __LINE__)
00119 #endif
00120
00121 #ifdef DBUS_DISABLE_CHECKS
00122 #define _dbus_return_if_fail(condition)
00123 #define _dbus_return_val_if_fail(condition, val)
00124 #else
00125 extern const char _dbus_return_if_fail_warning_format[];
00126
00127 #define _dbus_return_if_fail(condition) do { \
00128 _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
00129 if (!(condition)) { \
00130 _dbus_warn (_dbus_return_if_fail_warning_format, \
00131 _dbus_getpid (), _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
00132 return; \
00133 } } while (0)
00134
00135 #define _dbus_return_val_if_fail(condition, val) do { \
00136 _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \
00137 if (!(condition)) { \
00138 _dbus_warn (_dbus_return_if_fail_warning_format, \
00139 _dbus_getpid (), _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
00140 return (val); \
00141 } } while (0)
00142
00143 #endif
00144
00145 #define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0])))
00146
00147 #define _DBUS_POINTER_TO_INT(pointer) ((long)(pointer))
00148 #define _DBUS_INT_TO_POINTER(integer) ((void*)((long)(integer)))
00149
00150 #define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object))))
00151
00152 #define _DBUS_STRUCT_OFFSET(struct_type, member) \
00153 ((long) ((unsigned char*) &((struct_type*) 0)->member))
00154
00155 #define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert ((error) == NULL || dbus_error_is_set ((error)))
00156 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert ((error) == NULL || !dbus_error_is_set ((error)))
00157
00158 #define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error)))
00159 #define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val))
00160
00161
00162
00163
00164
00165
00166
00167
00168
00169
00170
00171
00172 #define _DBUS_ALIGN_VALUE(this, boundary) \
00173 (( ((unsigned long)(this)) + (((unsigned long)(boundary)) -1)) & (~(((unsigned long)(boundary))-1)))
00174
00175 #define _DBUS_ALIGN_ADDRESS(this, boundary) \
00176 ((void*)_DBUS_ALIGN_VALUE(this, boundary))
00177
00178
00179 char* _dbus_strdup (const char *str);
00180 void* _dbus_memdup (const void *mem,
00181 size_t n_bytes);
00182 dbus_bool_t _dbus_string_array_contains (const char **array,
00183 const char *str);
00184 char** _dbus_dup_string_array (const char **array);
00185
00186 #define _DBUS_INT16_MIN ((dbus_int16_t) 0x8000)
00187 #define _DBUS_INT16_MAX ((dbus_int16_t) 0x7fff)
00188 #define _DBUS_UINT16_MAX ((dbus_uint16_t)0xffff)
00189 #define _DBUS_INT32_MIN ((dbus_int32_t) 0x80000000)
00190 #define _DBUS_INT32_MAX ((dbus_int32_t) 0x7fffffff)
00191 #define _DBUS_UINT32_MAX ((dbus_uint32_t)0xffffffff)
00192
00193 #define _DBUS_INT_MIN _DBUS_INT32_MIN
00194 #define _DBUS_INT_MAX _DBUS_INT32_MAX
00195 #define _DBUS_UINT_MAX _DBUS_UINT32_MAX
00196 #ifdef DBUS_HAVE_INT64
00197 #define _DBUS_INT64_MAX DBUS_INT64_CONSTANT (0x7fffffffffffffff)
00198 #define _DBUS_UINT64_MAX DBUS_UINT64_CONSTANT (0xffffffffffffffff)
00199 #endif
00200 #define _DBUS_ONE_KILOBYTE 1024
00201 #define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE
00202 #define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60)
00203 #define _DBUS_USEC_PER_SECOND (1000000)
00204
00205 #undef MAX
00206 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
00207
00208 #undef MIN
00209 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
00210
00211 #undef ABS
00212 #define ABS(a) (((a) < 0) ? -(a) : (a))
00213
00214 #define _DBUS_ISASCII(c) ((c) != '\0' && (((c) & ~0x7f) == 0))
00215
00216 typedef void (* DBusForeachFunction) (void *element,
00217 void *data);
00218
00219 dbus_bool_t _dbus_set_fd_nonblocking (int fd,
00220 DBusError *error);
00221
00222 void _dbus_verbose_bytes (const unsigned char *data,
00223 int len,
00224 int offset);
00225 void _dbus_verbose_bytes_of_string (const DBusString *str,
00226 int start,
00227 int len);
00228
00229 const char* _dbus_header_field_to_string (int header_field);
00230
00231 extern const char _dbus_no_memory_message[];
00232 #define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message)
00233
00234 #ifdef DBUS_BUILD_TESTS
00235
00236 void _dbus_set_fail_alloc_counter (int until_next_fail);
00237 int _dbus_get_fail_alloc_counter (void);
00238 void _dbus_set_fail_alloc_failures (int failures_per_failure);
00239 int _dbus_get_fail_alloc_failures (void);
00240 dbus_bool_t _dbus_decrement_fail_alloc_counter (void);
00241 dbus_bool_t _dbus_disable_mem_pools (void);
00242 int _dbus_get_malloc_blocks_outstanding (void);
00243
00244 typedef dbus_bool_t (* DBusTestMemoryFunction) (void *data);
00245 dbus_bool_t _dbus_test_oom_handling (const char *description,
00246 DBusTestMemoryFunction func,
00247 void *data);
00248 #else
00249 #define _dbus_set_fail_alloc_counter(n)
00250 #define _dbus_get_fail_alloc_counter _DBUS_INT_MAX
00251
00252
00253
00254
00255 #define _dbus_decrement_fail_alloc_counter() (FALSE)
00256 #define _dbus_disable_mem_pools() (FALSE)
00257 #define _dbus_get_malloc_blocks_outstanding (0)
00258 #endif
00259
00260 typedef void (* DBusShutdownFunction) (void *data);
00261 dbus_bool_t _dbus_register_shutdown_func (DBusShutdownFunction function,
00262 void *data);
00263
00264 extern int _dbus_current_generation;
00265
00266
00267 #define _DBUS_LOCK_NAME(name) _dbus_lock_##name
00268 #define _DBUS_DECLARE_GLOBAL_LOCK(name) extern DBusMutex *_dbus_lock_##name
00269 #define _DBUS_DEFINE_GLOBAL_LOCK(name) DBusMutex *_dbus_lock_##name
00270 #define _DBUS_LOCK(name) _dbus_mutex_lock (_dbus_lock_##name)
00271 #define _DBUS_UNLOCK(name) _dbus_mutex_unlock (_dbus_lock_##name)
00272
00273 _DBUS_DECLARE_GLOBAL_LOCK (list);
00274 _DBUS_DECLARE_GLOBAL_LOCK (connection_slots);
00275 _DBUS_DECLARE_GLOBAL_LOCK (pending_call_slots);
00276 _DBUS_DECLARE_GLOBAL_LOCK (server_slots);
00277 _DBUS_DECLARE_GLOBAL_LOCK (message_slots);
00278 _DBUS_DECLARE_GLOBAL_LOCK (atomic);
00279 _DBUS_DECLARE_GLOBAL_LOCK (bus);
00280 _DBUS_DECLARE_GLOBAL_LOCK (shutdown_funcs);
00281 _DBUS_DECLARE_GLOBAL_LOCK (system_users);
00282 _DBUS_DECLARE_GLOBAL_LOCK (message_cache);
00283 _DBUS_DECLARE_GLOBAL_LOCK (shared_connections);
00284 #define _DBUS_N_GLOBAL_LOCKS (11)
00285
00286 dbus_bool_t _dbus_threads_init_debug (void);
00287
00288 dbus_bool_t _dbus_address_append_escaped (DBusString *escaped,
00289 const DBusString *unescaped);
00290
00291 DBUS_END_DECLS
00292
00293 #endif