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/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-internals.h random utility stuff (internal to D-BUS implementation)
*
* Copyright (C) 2002 Red Hat, Inc.
*
* Licensed under the Academic Free License version 1.2
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifdef DBUS_INSIDE_DBUS_H
#error "You can't include dbus-internals.h in the public header dbus.h"
#endif
#ifndef DBUS_INTERNALS_H
#define DBUS_INTERNALS_H
#include <config.h>
#include <dbus/dbus-memory.h>
#include <dbus/dbus-types.h>
#include <dbus/dbus-errors.h>
#include <dbus/dbus-sysdeps.h>
#include <dbus/dbus-threads.h>
DBUS_BEGIN_DECLS;
void _dbus_warn (const char *format,
...);
void _dbus_verbose_real (const char *format,
...);
#ifdef DBUS_ENABLE_VERBOSE_MODE
# define _dbus_verbose _dbus_verbose_real
#else
# ifdef HAVE_ISO_VARARGS
# define _dbus_verbose(...)
# elif defined (HAVE_GNUC_VARARGS)
# define _dbus_verbose(format...)
# else
# error "This compiler does not support varargs macros and thus verbose mode can't be disabled meaningfully"
# endif
#endif /* !DBUS_ENABLE_VERBOSE_MODE */
const char* _dbus_strerror (int error_number);
DBusResultCode _dbus_result_from_errno (int error_number);
#ifdef DBUS_DISABLE_ASSERT
#define _dbus_assert(condition)
#else
#define _dbus_assert(condition) \
do { \
if (!(condition)) \
{ \
_dbus_warn ("Assertion failed \"%s\" file \"%s\" line %d\n", \
#condition, __FILE__, __LINE__); \
_dbus_abort (); \
} \
} while (0)
#endif /* !DBUS_DISABLE_ASSERT */
#ifdef DBUS_DISABLE_ASSERT
#define _dbus_assert_not_reached(explanation)
#else
#define _dbus_assert_not_reached(explanation) \
do { \
_dbus_warn ("File \"%s\" line %d should not have been reached: %s\n", \
__FILE__, __LINE__, (explanation)); \
_dbus_abort (); \
} while (0)
#endif /* !DBUS_DISABLE_ASSERT */
#define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0])))
#define _DBUS_POINTER_TO_INT(pointer) ((long)(pointer))
#define _DBUS_INT_TO_POINTER(integer) ((void*)((long)(integer)))
#define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object))))
#define _DBUS_STRUCT_OFFSET(struct_type, member) \
((long) ((unsigned char*) &((struct_type*) 0)->member))
#define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert ((error) == NULL || dbus_error_is_set ((error)))
/* This alignment thing is from ORBit2 */
/* Align a value upward to a boundary, expressed as a number of bytes.
* E.g. align to an 8-byte boundary with argument of 8.
*/
/*
* (this + boundary - 1)
* &
* ~(boundary - 1)
*/
#define _DBUS_ALIGN_VALUE(this, boundary) \
(( ((unsigned long)(this)) + (((unsigned long)(boundary)) -1)) & (~(((unsigned long)(boundary))-1)))
#define _DBUS_ALIGN_ADDRESS(this, boundary) \
((void*)_DBUS_ALIGN_VALUE(this, boundary))
char* _dbus_strdup (const char *str);
#define _DBUS_INT_MIN (-_DBUS_INT_MAX - 1)
#define _DBUS_INT_MAX 2147483647
#define _DBUS_UINT_MAX 0xffffffff
#define _DBUS_MAX_SUN_PATH_LENGTH 99
#define _DBUS_ONE_KILOBYTE 1024
#define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE
#define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60)
#define _DBUS_USEC_PER_SECOND (1000000)
#undef MAX
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#undef MIN
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#undef ABS
#define ABS(a) (((a) < 0) ? -(a) : (a))
typedef void (* DBusForeachFunction) (void *element,
void *data);
dbus_bool_t _dbus_set_fd_nonblocking (int fd,
DBusResultCode *result);
void _dbus_verbose_bytes (const unsigned char *data,
int len);
void _dbus_verbose_bytes_of_string (const DBusString *str,
int start,
int len);
const char* _dbus_type_to_string (int type);
extern const char _dbus_no_memory_message[];
#define _DBUS_SET_OOM(error) dbus_set_error ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message)
#ifdef DBUS_BUILD_TESTS
/* Memory debugging */
void _dbus_set_fail_alloc_counter (int until_next_fail);
int _dbus_get_fail_alloc_counter (void);
dbus_bool_t _dbus_decrement_fail_alloc_counter (void);
dbus_bool_t _dbus_disable_mem_pools (void);
#else
#define _dbus_set_fail_alloc_counter(n)
#define _dbus_get_fail_alloc_counter _DBUS_INT_MAX
/* These are constant expressions so that blocks
* they protect should be optimized away
*/
#define _dbus_decrement_fail_alloc_counter() FALSE
#define _dbus_disable_mem_pools() FALSE
#endif /* !DBUS_BUILD_TESTS */
/* Thread initializers */
DBusMutex *_dbus_list_init_lock (void);
DBusMutex *_dbus_connection_slots_init_lock (void);
DBusMutex *_dbus_server_slots_init_lock (void);
DBusMutex *_dbus_atomic_init_lock (void);
DBusMutex *_dbus_message_handler_init_lock (void);
DBusMutex *_dbus_user_info_init_lock (void);
DBusMutex *_dbus_bus_init_lock (void);
DBUS_END_DECLS;
#endif /* DBUS_INTERNALS_H */
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