23 #ifdef DBUS_INSIDE_DBUS_H 
   24 #error "You can't include dbus-internals.h in the public header dbus.h" 
   27 #ifndef DBUS_INTERNALS_H 
   28 #define DBUS_INTERNALS_H 
   30 #include <dbus/dbus-memory.h> 
   31 #include <dbus/dbus-types.h> 
   32 #include <dbus/dbus-errors.h> 
   33 #include <dbus/dbus-sysdeps.h> 
   34 #include <dbus/dbus-threads-internal.h> 
   40                                ...) _DBUS_GNUC_PRINTF (1, 2);
 
   44                                ...) _DBUS_GNUC_PRINTF (1, 2);
 
   46 void _dbus_warn_return_if_fail (const 
char *function,
 
   47                                 const 
char *assertion,
 
   51 #if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) 
   52 #define _DBUS_FUNCTION_NAME __func__ 
   53 #elif defined(__GNUC__) || defined(_MSC_VER) 
   54 #define _DBUS_FUNCTION_NAME __FUNCTION__ 
   56 #define _DBUS_FUNCTION_NAME "unknown function" 
   69 #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__) 
   70 #define _DBUS_BOOLEAN_EXPR(expr)                \ 
   72    int _dbus_boolean_var_;                      \ 
   74       _dbus_boolean_var_ = 1;                   \ 
   76       _dbus_boolean_var_ = 0;                   \ 
   79 #define _DBUS_LIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 1)) 
   80 #define _DBUS_UNLIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 0)) 
   82 #define _DBUS_LIKELY(expr) (expr) 
   83 #define _DBUS_UNLIKELY(expr) (expr) 
   86 #ifdef DBUS_ENABLE_VERBOSE_MODE 
   93 #if defined(__GNUC__) || defined(_MSC_VER)  
   94 #define DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS 
   97 #ifdef DBUS_CPP_SUPPORTS_VARIABLE_MACRO_ARGUMENTS 
   99 void _dbus_verbose_real       (
const char *file, 
const int line, 
const char *
function, 
 
  100                                const char *format,...) _DBUS_GNUC_PRINTF (4, 5);
 
  101 #  define _dbus_verbose(fmt,...) _dbus_verbose_real( __FILE__,__LINE__,__FUNCTION__,fmt, ## __VA_ARGS__) 
  104 void _dbus_verbose_real       (
const char *format,
 
  105                                ...) _DBUS_GNUC_PRINTF (1, 2);
 
  106 #  define _dbus_verbose _dbus_verbose_real 
  109 void _dbus_verbose_reset_real (
void);
 
  117 #  define _dbus_verbose_reset _dbus_verbose_reset_real 
  118 #  define _dbus_is_verbose _dbus_is_verbose_real 
  120 #  ifdef HAVE_ISO_VARARGS 
  121 #    define _dbus_verbose(...) do { } while (0) 
  122 #  elif defined (HAVE_GNUC_VARARGS) 
  123 #    define _dbus_verbose(format...) do { } while (0) 
  125 static void _dbus_verbose(
const char * x,...) {;}
 
  127 #  define _dbus_verbose_reset() do { } while (0) 
  128 #  define _dbus_is_verbose() FALSE  
  132 void _dbus_trace_ref (
const char *obj_name,
 
  141 const char* _dbus_strerror (
int error_number);
 
  143 #ifdef DBUS_DISABLE_ASSERT 
  144 #define _dbus_assert(condition) do { } while (0) 
  148                         const char  *condition_text,
 
  152 #define _dbus_assert(condition)                                         \ 
  153   _dbus_real_assert ((condition) != 0, #condition, __FILE__, __LINE__, _DBUS_FUNCTION_NAME) 
  156 #ifdef DBUS_DISABLE_ASSERT 
  157 #define _dbus_assert_not_reached(explanation) do { } while (0) 
  162                                     int         line) _DBUS_GNUC_NORETURN;
 
  163 #define _dbus_assert_not_reached(explanation)                                   \ 
  164   _dbus_real_assert_not_reached (explanation, __FILE__, __LINE__) 
  167 #ifdef DBUS_DISABLE_CHECKS 
  168 #define _dbus_return_if_fail(condition) 
  169 #define _dbus_return_val_if_fail(condition, val) 
  172 #define _dbus_return_if_fail(condition) do {                                       \ 
  173    _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_');                      \ 
  174   if (!(condition)) {                                                              \ 
  175     _dbus_warn_return_if_fail (_DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \ 
  179 #define _dbus_return_val_if_fail(condition, val) do {                                   \ 
  180    _dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_');                           \ 
  181   if (!(condition)) {                                                                   \ 
  182     _dbus_warn_return_if_fail (_DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \ 
  188 #define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0]))) 
  190 #define _DBUS_POINTER_TO_INT(pointer) ((intptr_t)(pointer)) 
  191 #define _DBUS_INT_TO_POINTER(integer) ((void*)((intptr_t)(integer))) 
  193 #define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object)))) 
  195 #define _DBUS_STRUCT_OFFSET(struct_type, member)        \ 
  196     ((intptr_t) ((unsigned char*) &((struct_type*) 0)->member)) 
  198 #define _DBUS_ALIGNOF(type) \ 
  199     (_DBUS_STRUCT_OFFSET (struct { char _1; type _2; }, _2)) 
  201 #ifdef DBUS_DISABLE_CHECKS 
  205 #define _DBUS_ASSERT_ERROR_IS_SET(error) do { } while (0) 
  206 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) do { } while (0) 
  209 _dbus_assert_error_is_set (
const DBusError *error)
 
  215 _dbus_assert_error_is_clear (
const DBusError *error)
 
  220 #define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert_error_is_set(error) 
  221 #define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert_error_is_clear(error) 
  224 #define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error))) 
  225 #define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val)) 
  238 #define _DBUS_ALIGN_VALUE(this, boundary) \ 
  239   (( ((uintptr_t)(this)) + (((uintptr_t)(boundary)) -1)) & (~(((uintptr_t)(boundary))-1))) 
  241 #define _DBUS_ALIGN_ADDRESS(this, boundary) \ 
  242   ((void*)_DBUS_ALIGN_VALUE(this, boundary)) 
  256 #define _DBUS_INT16_MIN  ((dbus_int16_t) 0x8000) 
  257 #define _DBUS_INT16_MAX  ((dbus_int16_t) 0x7fff) 
  258 #define _DBUS_UINT16_MAX ((dbus_uint16_t)0xffff) 
  259 #define _DBUS_INT32_MIN  ((dbus_int32_t) 0x80000000) 
  260 #define _DBUS_INT32_MAX  ((dbus_int32_t) 0x7fffffff) 
  261 #define _DBUS_UINT32_MAX ((dbus_uint32_t)0xffffffff) 
  263 #define _DBUS_INT_MIN    _DBUS_INT32_MIN 
  264 #define _DBUS_INT_MAX    _DBUS_INT32_MAX 
  265 #define _DBUS_UINT_MAX   _DBUS_UINT32_MAX 
  266 #define _DBUS_INT64_MAX  DBUS_INT64_CONSTANT  (0x7fffffffffffffff) 
  267 #define _DBUS_UINT64_MAX DBUS_UINT64_CONSTANT (0xffffffffffffffff) 
  268 #define _DBUS_ONE_KILOBYTE 1024 
  269 #define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE 
  270 #define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60) 
  271 #define _DBUS_USEC_PER_SECOND          (1000000) 
  274 #define MAX(a, b)  (((a) > (b)) ? (a) : (b)) 
  277 #define MIN(a, b)  (((a) < (b)) ? (a) : (b)) 
  280 #define ABS(a)     (((a) < 0) ? -(a) : (a)) 
  282 #define _DBUS_ISASCII(c) ((c) != '\0' && (((c) & ~0x7f) == 0)) 
  297 #define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message) 
  299 void _dbus_set_error_valist (
DBusError  *error,
 
  302                              va_list     args) _DBUS_GNUC_PRINTF (3, 0);
 
  304 typedef dbus_bool_t (* DBusTestMemoryFunction)  (
void *data);
 
  306 #ifdef DBUS_ENABLE_EMBEDDED_TESTS 
  308 void        _dbus_set_fail_alloc_counter        (
int  until_next_fail);
 
  309 int         _dbus_get_fail_alloc_counter        (
void);
 
  310 void        _dbus_set_fail_alloc_failures       (
int  failures_per_failure);
 
  311 int         _dbus_get_fail_alloc_failures       (
void);
 
  312 dbus_bool_t _dbus_decrement_fail_alloc_counter  (
void);
 
  315 int         _dbus_get_malloc_blocks_outstanding (
void);
 
  318 dbus_bool_t _dbus_test_oom_handling (
const char             *description,
 
  319                                      DBusTestMemoryFunction  func,
 
  322 #define _dbus_set_fail_alloc_counter(n) 
  323 #define _dbus_get_fail_alloc_counter _DBUS_INT_MAX 
  328 #define _dbus_decrement_fail_alloc_counter() (FALSE) 
  329 #define _dbus_disable_mem_pools()            (FALSE) 
  330 #define _dbus_get_malloc_blocks_outstanding() (0) 
  332 #define _dbus_test_oom_handling(description, func, data) ((*func) (data)) 
  335 typedef void (* DBusShutdownFunction) (
void *data);
 
  339 dbus_bool_t _dbus_register_shutdown_func_unlocked (DBusShutdownFunction  
function,
 
  350   _DBUS_LOCK_connection_slots,
 
  351   _DBUS_LOCK_pending_call_slots,
 
  352   _DBUS_LOCK_server_slots,
 
  353   _DBUS_LOCK_message_slots,
 
  356   _DBUS_LOCK_bus_datas,
 
  357   _DBUS_LOCK_shutdown_funcs,
 
  358   _DBUS_LOCK_system_users,
 
  359   _DBUS_LOCK_message_cache,
 
  361   _DBUS_LOCK_shared_connections,
 
  362   _DBUS_LOCK_machine_uuid,
 
  368 dbus_bool_t _dbus_lock   (DBusGlobalLock lock) _DBUS_GNUC_WARN_UNUSED_RESULT;
 
  369 void        _dbus_unlock (DBusGlobalLock lock);
 
  371 #define _DBUS_LOCK_NAME(name)           _DBUS_LOCK_##name 
  372 #define _DBUS_LOCK(name)                _dbus_lock   (_DBUS_LOCK_##name) 
  373 #define _DBUS_UNLOCK(name)              _dbus_unlock (_DBUS_LOCK_##name) 
  382                                             const char        *address_problem_type,
 
  383                                             const char        *address_problem_field,
 
  384                                             const char        *address_problem_other);
 
  386 #define DBUS_UUID_LENGTH_BYTES 16 
  387 #define DBUS_UUID_LENGTH_WORDS (DBUS_UUID_LENGTH_BYTES / 4) 
  388 #define DBUS_UUID_LENGTH_HEX   (DBUS_UUID_LENGTH_BYTES * 2) 
  400 DBUS_PRIVATE_EXPORT _DBUS_GNUC_WARN_UNUSED_RESULT
 
  419 #define _DBUS_PASTE2(a, b) a ## b 
  420 #define _DBUS_PASTE(a, b) _DBUS_PASTE2 (a, b) 
  421 #define _DBUS_STATIC_ASSERT(expr) \ 
  422   typedef struct { char _assertion[(expr) ? 1 : -1]; } \ 
  423   _DBUS_PASTE (_DBUS_STATIC_ASSERT_, __LINE__) _DBUS_GNUC_UNUSED 
  
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_uuid_encode(const DBusGUID *uuid, DBusString *encoded)
Hex-encode a UUID.
char ** _dbus_dup_string_array(const char **array)
Duplicates a string array.
DBUS_PRIVATE_EXPORT void _dbus_verbose_bytes_of_string(const DBusString *str, int start, int len)
Dump the given part of the string to verbose log.
int _dbus_current_generation
_dbus_current_generation is used to track each time that dbus_shutdown() is called,...
DBUS_PRIVATE_EXPORT _DBUS_GNUC_WARN_UNUSED_RESULT dbus_bool_t _dbus_generate_uuid(DBusGUID *uuid, DBusError *error)
Generates a new UUID.
A globally unique ID ; we have one for each DBusServer, and also one for each machine with libdbus in...
DBUS_PRIVATE_EXPORT void _dbus_real_assert_not_reached(const char *explanation, const char *file, int line) _DBUS_GNUC_NORETURN
Internals of _dbus_assert_not_reached(); it's a function rather than a macro with the inline code so ...
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_string_array_contains(const char **array, const char *str)
Checks whether a string array contains the given string.
dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS]
guid as four uint32 values
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_register_shutdown_func(DBusShutdownFunction function, void *data)
Register a cleanup function to be called exactly once the next time dbus_shutdown() is called.
unsigned int dbus_uint32_t
const DBUS_PRIVATE_EXPORT char * _dbus_no_memory_message
Fixed "out of memory" error message, just to avoid making up a different string every time and wastin...
dbus_bool_t _dbus_read_uuid_file(const DBusString *filename, DBusGUID *uuid, dbus_bool_t create_if_not_found, DBusError *error)
Reads (and optionally writes) a uuid to a file.
char as_bytes[DBUS_UUID_LENGTH_BYTES]
guid as 16 single-byte values
void _dbus_set_bad_address(DBusError *error, const char *address_problem_type, const char *address_problem_field, const char *address_problem_other)
Sets DBUS_ERROR_BAD_ADDRESS.
dbus_bool_t dbus_error_is_set(const DBusError *error)
Checks whether an error occurred (the error is set).
void _dbus_verbose_bytes(const unsigned char *data, int len, int offset)
If in verbose mode, print a block of binary data.
dbus_bool_t _dbus_address_append_escaped(DBusString *escaped, const DBusString *unescaped)
Appends an escaped version of one string to another string, using the D-Bus address escaping mechanis...
#define _dbus_assert(condition)
DBUS_PRIVATE_EXPORT void _dbus_warn(const char *format,...)
Prints a warning message to stderr.
DBUS_PRIVATE_EXPORT char * _dbus_strdup(const char *str)
Duplicates a string.
Object representing an exception.
void(* DBusForeachFunction)(void *element, void *data)
dbus_bool_t _dbus_write_uuid_file(const DBusString *filename, const DBusGUID *uuid, DBusError *error)
Write the give UUID to a file.
DBUS_PRIVATE_EXPORT void _dbus_real_assert(dbus_bool_t condition, const char *condition_text, const char *file, int line, const char *func)
Internals of _dbus_assert(); it's a function rather than a macro with the inline code so that the ass...
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_get_local_machine_uuid_encoded(DBusString *uuid_str, DBusError *error)
Gets the hex-encoded UUID of the machine this function is executed on.
void * _dbus_memdup(const void *mem, size_t n_bytes)
Duplicates a block of memory.
DBUS_PRIVATE_EXPORT size_t _dbus_string_array_length(const char **array)
Returns the size of a string array.
DBUS_PRIVATE_EXPORT void _dbus_warn_check_failed(const char *format,...)
Prints a "critical" warning to stderr when an assertion fails; differs from _dbus_warn primarily in t...
dbus_uint32_t dbus_bool_t