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#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
00055
00056
00057
00058
00059
00060
00061
00062
00063
00064 #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
00065 #define _DBUS_BOOLEAN_EXPR(expr) \
00066 __extension__ ({ \
00067
int _dbus_boolean_var_; \
00068
if (expr) \
00069 _dbus_boolean_var_ = 1; \
00070
else \
00071 _dbus_boolean_var_ = 0; \
00072 _dbus_boolean_var_; \
00073 })
00074
#define _DBUS_LIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 1))
00075
#define _DBUS_UNLIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 0))
00076
#else
00077
#define _DBUS_LIKELY(expr) (expr)
00078
#define _DBUS_UNLIKELY(expr) (expr)
00079
#endif
00080
00081
#ifdef DBUS_ENABLE_VERBOSE_MODE
00082
# define _dbus_verbose _dbus_verbose_real
00083
# define _dbus_verbose_reset _dbus_verbose_reset_real
00084
#else
00085
# ifdef HAVE_ISO_VARARGS
00086
# define _dbus_verbose(...)
00087
# elif defined (HAVE_GNUC_VARARGS)
00088
# define _dbus_verbose(format...)
00089
# else
00090
# error "This compiler does not support varargs macros and thus verbose mode can't be disabled meaningfully"
00091
# endif
00092
# define _dbus_verbose_reset()
00093
#endif
00094
00095
const char*
_dbus_strerror (
int error_number);
00096
00097
#ifdef DBUS_DISABLE_ASSERT
00098 #define _dbus_assert(condition)
00099
#else
00100
void _dbus_real_assert (dbus_bool_t condition,
00101
const char *condition_text,
00102
const char *file,
00103
int line);
00104
#define _dbus_assert(condition) \
00105
_dbus_real_assert ((condition) != 0, #condition, __FILE__, __LINE__)
00106
#endif
00107
00108
#ifdef DBUS_DISABLE_ASSERT
00109 #define _dbus_assert_not_reached(explanation)
00110
#else
00111
void _dbus_real_assert_not_reached (
const char *explanation,
00112
const char *file,
00113
int line) _DBUS_GNUC_NORETURN;
00114
#define _dbus_assert_not_reached(explanation) \
00115
_dbus_real_assert_not_reached (explanation, __FILE__, __LINE__)
00116
#endif
00117
00118
#ifdef DBUS_DISABLE_CHECKS
00119
#define _dbus_return_if_fail(condition)
00120
#define _dbus_return_val_if_fail(condition, val)
00121
#else
00122 extern const char _dbus_return_if_fail_warning_format[];
00123
00124
#define _dbus_return_if_fail(condition) do { \
00125
if (!(condition)) { \
00126
_dbus_warn (_dbus_return_if_fail_warning_format, \
00127
_dbus_getpid (), _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
00128
return; \
00129
} } while (0)
00130
00131
#define _dbus_return_val_if_fail(condition, val) do { \
00132
if (!(condition)) { \
00133
_dbus_warn (_dbus_return_if_fail_warning_format, \
00134
_dbus_getpid (), _DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \
00135
return (val); \
00136
} } while (0)
00137
00138
#endif
00139
00140 #define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0])))
00141
00142 #define _DBUS_POINTER_TO_INT(pointer) ((long)(pointer))
00143 #define _DBUS_INT_TO_POINTER(integer) ((void*)((long)(integer)))
00144
00145 #define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object))))
00146
00147
#define _DBUS_STRUCT_OFFSET(struct_type, member) \
00148
((long) ((unsigned char*) &((struct_type*) 0)->member))
00149
00150
#define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert ((error) == NULL || dbus_error_is_set ((error)))
00151
#define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert ((error) == NULL || !dbus_error_is_set ((error)))
00152
00153
#define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error)))
00154
#define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val))
00155
00156
00157
00158
00159
00160
00161
00162
00163
00164
00165
00166
00167
#define _DBUS_ALIGN_VALUE(this, boundary) \
00168
(( ((unsigned long)(this)) + (((unsigned long)(boundary)) -1)) & (~(((unsigned long)(boundary))-1)))
00169
00170
#define _DBUS_ALIGN_ADDRESS(this, boundary) \
00171
((void*)_DBUS_ALIGN_VALUE(this, boundary))
00172
00173
char*
_dbus_strdup (
const char *str);
00174
void*
_dbus_memdup (
const void *mem,
00175 size_t n_bytes);
00176
dbus_bool_t _dbus_string_array_contains (
const char **array,
00177
const char *str);
00178
char**
_dbus_dup_string_array (
const char **array);
00179
00180 #define _DBUS_INT_MIN (-_DBUS_INT_MAX - 1)
00181 #define _DBUS_INT_MAX 2147483647
00182
#define _DBUS_UINT_MAX 0xffffffff
00183
#ifdef DBUS_HAVE_INT64
00184
#define _DBUS_INT64_MAX DBUS_INT64_CONSTANT (9223372036854775807)
00185
#define _DBUS_UINT64_MAX DBUS_UINT64_CONSTANT (0xffffffffffffffff)
00186
#endif
00187
#define _DBUS_ONE_KILOBYTE 1024
00188
#define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE
00189
#define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60)
00190
#define _DBUS_USEC_PER_SECOND (1000000)
00191
00192
#undef MAX
00193
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
00194
00195
#undef MIN
00196
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
00197
00198
#undef ABS
00199
#define ABS(a) (((a) < 0) ? -(a) : (a))
00200
00201 typedef void (* DBusForeachFunction) (
void *element,
00202
void *data);
00203
00204
dbus_bool_t _dbus_set_fd_nonblocking (
int fd,
00205
DBusError *error);
00206
00207
void _dbus_verbose_bytes (
const unsigned char *data,
00208
int len);
00209
void _dbus_verbose_bytes_of_string (
const DBusString *str,
00210
int start,
00211
int len);
00212
00213
00214
const char*
_dbus_type_to_string (
int type);
00215
const char*
_dbus_header_field_to_string (
int header_field);
00216
00217 extern const char _dbus_no_memory_message[];
00218
#define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message)
00219
00220
#ifdef DBUS_BUILD_TESTS
00221
00222
void _dbus_set_fail_alloc_counter (
int until_next_fail);
00223
int _dbus_get_fail_alloc_counter (
void);
00224
void _dbus_set_fail_alloc_failures (
int failures_per_failure);
00225
int _dbus_get_fail_alloc_failures (
void);
00226
dbus_bool_t _dbus_decrement_fail_alloc_counter (
void);
00227
dbus_bool_t _dbus_disable_mem_pools (
void);
00228
int _dbus_get_malloc_blocks_outstanding (
void);
00229
00230
typedef dbus_bool_t (* DBusTestMemoryFunction) (
void *data);
00231
dbus_bool_t _dbus_test_oom_handling (
const char *description,
00232 DBusTestMemoryFunction func,
00233
void *data);
00234
#else
00235
#define _dbus_set_fail_alloc_counter(n)
00236
#define _dbus_get_fail_alloc_counter _DBUS_INT_MAX
00237
00238
00239
00240
00241
#define _dbus_decrement_fail_alloc_counter() (FALSE)
00242
#define _dbus_disable_mem_pools() (FALSE)
00243
#define _dbus_get_malloc_blocks_outstanding (0)
00244
#endif
00245
00246
typedef void (* DBusShutdownFunction) (
void *data);
00247
dbus_bool_t _dbus_register_shutdown_func (DBusShutdownFunction function,
00248
void *data);
00249
00250 extern int _dbus_current_generation;
00251
00252
00253 #define _DBUS_LOCK_NAME(name) _dbus_lock_##name
00254 #define _DBUS_DECLARE_GLOBAL_LOCK(name) extern DBusMutex *_dbus_lock_##name
00255 #define _DBUS_DEFINE_GLOBAL_LOCK(name) DBusMutex *_dbus_lock_##name
00256 #define _DBUS_LOCK(name) dbus_mutex_lock (_dbus_lock_##name)
00257 #define _DBUS_UNLOCK(name) dbus_mutex_unlock (_dbus_lock_##name)
00258
00259
_DBUS_DECLARE_GLOBAL_LOCK (list);
00260
_DBUS_DECLARE_GLOBAL_LOCK (connection_slots);
00261
_DBUS_DECLARE_GLOBAL_LOCK (pending_call_slots);
00262
_DBUS_DECLARE_GLOBAL_LOCK (server_slots);
00263
_DBUS_DECLARE_GLOBAL_LOCK (message_slots);
00264
_DBUS_DECLARE_GLOBAL_LOCK (atomic);
00265
_DBUS_DECLARE_GLOBAL_LOCK (bus);
00266
_DBUS_DECLARE_GLOBAL_LOCK (shutdown_funcs);
00267
_DBUS_DECLARE_GLOBAL_LOCK (system_users);
00268
#define _DBUS_N_GLOBAL_LOCKS (9)
00269
00270
dbus_bool_t _dbus_threads_init_debug (
void);
00271
00272
DBUS_END_DECLS;
00273
00274
#endif