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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 <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.h>
00037
00038 DBUS_BEGIN_DECLS;
00039
00040 void _dbus_warn (const char *format,
00041 ...) _DBUS_GNUC_PRINTF (1, 2);
00042 void _dbus_verbose_real (const char *format,
00043 ...) _DBUS_GNUC_PRINTF (1, 2);
00044 void _dbus_verbose_reset_real (void);
00045
00046 #if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
00047 #define _DBUS_FUNCTION_NAME __func__
00048 #elif defined(__GNUC__)
00049 #define _DBUS_FUNCTION_NAME __FUNCTION__
00050 #else
00051 #define _DBUS_FUNCTION_NAME "unknown function"
00052 #endif
00053
00054 #ifdef DBUS_ENABLE_VERBOSE_MODE
00055 # define _dbus_verbose _dbus_verbose_real
00056 # define _dbus_verbose_reset _dbus_verbose_reset_real
00057 #else
00058 # ifdef HAVE_ISO_VARARGS
00059 # define _dbus_verbose(...)
00060 # elif defined (HAVE_GNUC_VARARGS)
00061 # define _dbus_verbose(format...)
00062 # else
00063 # error "This compiler does not support varargs macros and thus verbose mode can't be disabled meaningfully"
00064 # endif
00065 # define _dbus_verbose_reset()
00066 #endif
00067
00068 const char* _dbus_strerror (int error_number);
00069
00070 #ifdef DBUS_DISABLE_ASSERT
00071 #define _dbus_assert(condition)
00072 #else
00073 void _dbus_real_assert (dbus_bool_t condition,
00074 const char *condition_text,
00075 const char *file,
00076 int line);
00077 #define _dbus_assert(condition) \
00078 _dbus_real_assert ((condition) != 0, #condition, __FILE__, __LINE__)
00079 #endif
00080
00081 #ifdef DBUS_DISABLE_ASSERT
00082 #define _dbus_assert_not_reached(explanation)
00083 #else
00084 void _dbus_real_assert_not_reached (const char *explanation,
00085 const char *file,
00086 int line) _DBUS_GNUC_NORETURN;
00087 #define _dbus_assert_not_reached(explanation) \
00088 _dbus_real_assert_not_reached (explanation, __FILE__, __LINE__)
00089 #endif
00090
00091 #ifdef DBUS_DISABLE_CHECKS
00092 #define _dbus_return_if_fail(condition)
00093 #define _dbus_return_val_if_fail(condition, val)
00094 #else
00095 extern const char _dbus_return_if_fail_warning_format[];
00096
00097 #define _dbus_return_if_fail(condition) do { \
00098 if (!(condition)) { \
00099 _dbus_warn (_dbus_return_if_fail_warning_format, \
00100 _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
00101 return; \
00102 } } while (0)
00103
00104 #define _dbus_return_val_if_fail(condition, val) do { \
00105 if (!(condition)) { \
00106 _dbus_warn (_dbus_return_if_fail_warning_format, \
00107 _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
00108 return (val); \
00109 } } while (0)
00110
00111 #endif
00112
00113 #define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0])))
00114
00115 #define _DBUS_POINTER_TO_INT(pointer) ((long)(pointer))
00116 #define _DBUS_INT_TO_POINTER(integer) ((void*)((long)(integer)))
00117
00118 #define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object))))
00119
00120 #define _DBUS_STRUCT_OFFSET(struct_type, member) \
00121 ((long) ((unsigned char*) &((struct_type*) 0)->member))
00122
00123 #define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert ((error) == NULL || dbus_error_is_set ((error)))
00124 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert ((error) == NULL || !dbus_error_is_set ((error)))
00125
00126 #define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error)))
00127 #define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val))
00128
00129
00130
00131
00132
00133
00134
00135
00136
00137
00138
00139
00140 #define _DBUS_ALIGN_VALUE(this, boundary) \
00141 (( ((unsigned long)(this)) + (((unsigned long)(boundary)) -1)) & (~(((unsigned long)(boundary))-1)))
00142
00143 #define _DBUS_ALIGN_ADDRESS(this, boundary) \
00144 ((void*)_DBUS_ALIGN_VALUE(this, boundary))
00145
00146 char* _dbus_strdup (const char *str);
00147 dbus_bool_t _dbus_string_array_contains (const char **array,
00148 const char *str);
00149 char** _dbus_dup_string_array (const char **array);
00150
00151 #define _DBUS_INT_MIN (-_DBUS_INT_MAX - 1)
00152 #define _DBUS_INT_MAX 2147483647
00153 #define _DBUS_UINT_MAX 0xffffffff
00154 #ifdef DBUS_HAVE_INT64
00155 #define _DBUS_INT64_MAX DBUS_INT64_CONSTANT (9223372036854775807)
00156 #define _DBUS_UINT64_MAX DBUS_UINT64_CONSTANT (0xffffffffffffffff)
00157 #endif
00158 #define _DBUS_ONE_KILOBYTE 1024
00159 #define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE
00160 #define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60)
00161 #define _DBUS_USEC_PER_SECOND (1000000)
00162
00163 #undef MAX
00164 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
00165
00166 #undef MIN
00167 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
00168
00169 #undef ABS
00170 #define ABS(a) (((a) < 0) ? -(a) : (a))
00171
00172 typedef void (* DBusForeachFunction) (void *element,
00173 void *data);
00174
00175 dbus_bool_t _dbus_set_fd_nonblocking (int fd,
00176 DBusError *error);
00177
00178 void _dbus_verbose_bytes (const unsigned char *data,
00179 int len);
00180 void _dbus_verbose_bytes_of_string (const DBusString *str,
00181 int start,
00182 int len);
00183
00184
00185 const char* _dbus_type_to_string (int type);
00186
00187 extern const char _dbus_no_memory_message[];
00188 #define _DBUS_SET_OOM(error) dbus_set_error ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message)
00189
00190 #ifdef DBUS_BUILD_TESTS
00191
00192 void _dbus_set_fail_alloc_counter (int until_next_fail);
00193 int _dbus_get_fail_alloc_counter (void);
00194 void _dbus_set_fail_alloc_failures (int failures_per_failure);
00195 int _dbus_get_fail_alloc_failures (void);
00196 dbus_bool_t _dbus_decrement_fail_alloc_counter (void);
00197 dbus_bool_t _dbus_disable_mem_pools (void);
00198 int _dbus_get_malloc_blocks_outstanding (void);
00199
00200 typedef dbus_bool_t (* DBusTestMemoryFunction) (void *data);
00201 dbus_bool_t _dbus_test_oom_handling (const char *description,
00202 DBusTestMemoryFunction func,
00203 void *data);
00204 #else
00205 #define _dbus_set_fail_alloc_counter(n)
00206 #define _dbus_get_fail_alloc_counter _DBUS_INT_MAX
00207
00208
00209
00210
00211 #define _dbus_decrement_fail_alloc_counter() (FALSE)
00212 #define _dbus_disable_mem_pools() (FALSE)
00213 #define _dbus_get_malloc_blocks_outstanding (0)
00214 #endif
00215
00216 typedef void (* DBusShutdownFunction) (void *data);
00217 dbus_bool_t _dbus_register_shutdown_func (DBusShutdownFunction function,
00218 void *data);
00219
00220 extern int _dbus_current_generation;
00221
00222
00223 #define _DBUS_LOCK_NAME(name) _dbus_lock_##name
00224 #define _DBUS_DECLARE_GLOBAL_LOCK(name) extern DBusMutex *_dbus_lock_##name
00225 #define _DBUS_DEFINE_GLOBAL_LOCK(name) DBusMutex *_dbus_lock_##name
00226 #define _DBUS_LOCK(name) dbus_mutex_lock (_dbus_lock_##name)
00227 #define _DBUS_UNLOCK(name) dbus_mutex_unlock (_dbus_lock_##name)
00228
00229 _DBUS_DECLARE_GLOBAL_LOCK (list);
00230 _DBUS_DECLARE_GLOBAL_LOCK (connection_slots);
00231 _DBUS_DECLARE_GLOBAL_LOCK (server_slots);
00232 _DBUS_DECLARE_GLOBAL_LOCK (message_slots);
00233 _DBUS_DECLARE_GLOBAL_LOCK (atomic);
00234 _DBUS_DECLARE_GLOBAL_LOCK (message_handler);
00235 _DBUS_DECLARE_GLOBAL_LOCK (bus);
00236 _DBUS_DECLARE_GLOBAL_LOCK (shutdown_funcs);
00237 _DBUS_DECLARE_GLOBAL_LOCK (system_users);
00238 #define _DBUS_N_GLOBAL_LOCKS (9)
00239
00240 dbus_bool_t _dbus_threads_init_debug (void);
00241
00242 DBUS_END_DECLS;
00243
00244 #endif