author | hgs |
Tue, 02 Nov 2010 19:23:22 +0530 | |
changeset 79 | 564bc7b7ad27 |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
0
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/* -*- mode: C; c-file-style: "gnu" -*- */ |
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/* dbus-internals.h random utility stuff (internal to D-Bus implementation) |
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* |
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* Copyright (C) 2002, 2003 Red Hat, Inc. |
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* Portion Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. |
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* Licensed under the Academic Free License version 2.1 |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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*/ |
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#ifdef DBUS_INSIDE_DBUS_H |
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#error "You can't include dbus-internals.h in the public header dbus.h" |
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#endif |
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|
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#ifndef DBUS_INTERNALS_H |
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#define DBUS_INTERNALS_H |
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#ifndef __SYMBIAN32__ |
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#include <config.h> |
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#else |
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#include "config.h" |
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#endif |
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#include <dbus/dbus-memory.h> |
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#include <dbus/dbus-types.h> |
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#include <dbus/dbus-errors.h> |
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#ifndef __SYMBIAN32__ |
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#include <dbus/dbus-sysdeps.h> |
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#include <dbus/dbus-threads-internal.h> |
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#else |
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#include "dbus-sysdeps.h" |
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#include "dbus-threads-internal.h" |
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#endif |
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#ifdef __SYMBIAN32__ |
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#include "libdbus_wsd_macros.h" |
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#endif |
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DBUS_BEGIN_DECLS |
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#define DBUS_SESSION_BUS_DEFAULT_ADDRESS "autolaunch:" |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void _dbus_warn (const char *format, |
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...) _DBUS_GNUC_PRINTF (1, 2); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void _dbus_warn_check_failed (const char *format, |
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...) _DBUS_GNUC_PRINTF (1, 2); |
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#if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) |
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#define _DBUS_FUNCTION_NAME __func__ |
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#elif defined(__GNUC__) |
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#define _DBUS_FUNCTION_NAME __FUNCTION__ |
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#elif defined(__SYMBIAN32__) |
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#define _DBUS_FUNCTION_NAME __FUNCTION__ |
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#else |
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#define _DBUS_FUNCTION_NAME "unknown function" |
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#endif |
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|
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/* |
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* (code from GLib) |
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* |
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* The _DBUS_LIKELY and _DBUS_UNLIKELY macros let the programmer give hints to |
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* the compiler about the expected result of an expression. Some compilers |
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* can use this information for optimizations. |
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* |
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* The _DBUS_BOOLEAN_EXPR macro is intended to trigger a gcc warning when |
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* putting assignments in the macro arg |
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*/ |
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#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__) |
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#define _DBUS_BOOLEAN_EXPR(expr) \ |
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__extension__ ({ \ |
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int _dbus_boolean_var_; \ |
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if (expr) \ |
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_dbus_boolean_var_ = 1; \ |
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else \ |
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_dbus_boolean_var_ = 0; \ |
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_dbus_boolean_var_; \ |
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}) |
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#define _DBUS_LIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 1)) |
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#define _DBUS_UNLIKELY(expr) (__builtin_expect (_DBUS_BOOLEAN_EXPR(expr), 0)) |
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#else |
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#define _DBUS_LIKELY(expr) (expr) |
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#define _DBUS_UNLIKELY(expr) (expr) |
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#endif |
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|
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#ifdef DBUS_ENABLE_VERBOSE_MODE |
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|
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void _dbus_verbose_real (const char *format, |
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...) _DBUS_GNUC_PRINTF (1, 2); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void _dbus_verbose_reset_real (void); |
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dbus_bool_t _dbus_is_verbose_real (void); |
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|
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# define _dbus_verbose _dbus_verbose_real |
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# define _dbus_verbose_reset _dbus_verbose_reset_real |
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# define _dbus_is_verbose _dbus_is_verbose_real |
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#else |
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# ifdef HAVE_ISO_VARARGS |
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#ifdef __SYMBIAN32__ |
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# define _dbus_verbose |
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#else |
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# define _dbus_verbose(...) |
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#endif |
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# elif defined (HAVE_GNUC_VARARGS) |
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# define _dbus_verbose(format...) |
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# else |
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//# error "This compiler does not support varargs macros and thus verbose mode can't be disabled meaningfully" |
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# endif |
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# define _dbus_verbose_reset() |
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# define _dbus_is_verbose() FALSE |
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#endif /* !DBUS_ENABLE_VERBOSE_MODE */ |
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|
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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const char* _dbus_strerror (int error_number); |
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|
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#ifdef DBUS_DISABLE_ASSERT |
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#define _dbus_assert(condition) |
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#else |
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void _dbus_real_assert (dbus_bool_t condition, |
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const char *condition_text, |
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const char *file, |
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int line, |
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const char *func); |
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#define _dbus_assert(condition) \ |
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_dbus_real_assert ((condition) != 0, #condition, __FILE__, __LINE__, _DBUS_FUNCTION_NAME) |
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#endif /* !DBUS_DISABLE_ASSERT */ |
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|
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#ifdef DBUS_DISABLE_ASSERT |
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#define _dbus_assert_not_reached(explanation) |
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#else |
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void _dbus_real_assert_not_reached (const char *explanation, |
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const char *file, |
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int line) _DBUS_GNUC_NORETURN; |
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#define _dbus_assert_not_reached(explanation) \ |
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_dbus_real_assert_not_reached (explanation, __FILE__, __LINE__) |
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#endif /* !DBUS_DISABLE_ASSERT */ |
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|
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#ifdef DBUS_DISABLE_CHECKS |
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#define _dbus_return_if_fail(condition) |
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#define _dbus_return_val_if_fail(condition, val) |
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#else |
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extern const char _dbus_return_if_fail_warning_format[]; |
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|
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#define _dbus_return_if_fail(condition) do { \ |
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_dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \ |
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if (!(condition)) { \ |
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_dbus_warn_check_failed (_dbus_return_if_fail_warning_format, \ |
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_DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \ |
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return; \ |
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} } while (0) |
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|
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#define _dbus_return_val_if_fail(condition, val) do { \ |
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_dbus_assert ((*(const char*)_DBUS_FUNCTION_NAME) != '_'); \ |
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if (!(condition)) { \ |
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_dbus_warn_check_failed (_dbus_return_if_fail_warning_format, \ |
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_DBUS_FUNCTION_NAME, #condition, __FILE__, __LINE__); \ |
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return (val); \ |
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} } while (0) |
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|
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#endif /* !DBUS_DISABLE_ASSERT */ |
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|
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#define _DBUS_N_ELEMENTS(array) ((int) (sizeof ((array)) / sizeof ((array)[0]))) |
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|
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#define _DBUS_POINTER_TO_INT(pointer) ((long)(pointer)) |
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#define _DBUS_INT_TO_POINTER(integer) ((void*)((long)(integer))) |
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|
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#define _DBUS_ZERO(object) (memset (&(object), '\0', sizeof ((object)))) |
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|
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#define _DBUS_STRUCT_OFFSET(struct_type, member) \ |
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((long) ((unsigned char*) &((struct_type*) 0)->member)) |
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|
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#ifdef DBUS_DISABLE_CHECKS |
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/* this is an assert and not an error, but in the typical --disable-checks case (you're trying |
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* to really minimize code size), disabling these assertions makes sense. |
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*/ |
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#define _DBUS_ASSERT_ERROR_IS_SET(error) |
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#define _DBUS_ASSERT_ERROR_IS_CLEAR(error) |
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#else |
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#define _DBUS_ASSERT_ERROR_IS_SET(error) _dbus_assert ((error) == NULL || dbus_error_is_set ((error))) |
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#define _DBUS_ASSERT_ERROR_IS_CLEAR(error) _dbus_assert ((error) == NULL || !dbus_error_is_set ((error))) |
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#endif |
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#define _dbus_return_if_error_is_set(error) _dbus_return_if_fail ((error) == NULL || !dbus_error_is_set ((error))) |
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#define _dbus_return_val_if_error_is_set(error, val) _dbus_return_val_if_fail ((error) == NULL || !dbus_error_is_set ((error)), (val)) |
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/* This alignment thing is from ORBit2 */ |
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/* Align a value upward to a boundary, expressed as a number of bytes. |
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* E.g. align to an 8-byte boundary with argument of 8. |
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*/ |
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/* |
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* (this + boundary - 1) |
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* & |
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* ~(boundary - 1) |
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*/ |
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|
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#define _DBUS_ALIGN_VALUE(this, boundary) \ |
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(( ((unsigned long)(this)) + (((unsigned long)(boundary)) -1)) & (~(((unsigned long)(boundary))-1))) |
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|
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#define _DBUS_ALIGN_ADDRESS(this, boundary) \ |
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((void*)_DBUS_ALIGN_VALUE(this, boundary)) |
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|
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|
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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char* _dbus_strdup (const char *str); |
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void* _dbus_memdup (const void *mem, |
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size_t n_bytes); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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dbus_bool_t _dbus_string_array_contains (const char **array, |
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const char *str); |
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char** _dbus_dup_string_array (const char **array); |
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|
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#define _DBUS_INT16_MIN ((dbus_int16_t) 0x8000) |
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#define _DBUS_INT16_MAX ((dbus_int16_t) 0x7fff) |
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#define _DBUS_UINT16_MAX ((dbus_uint16_t)0xffff) |
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#define _DBUS_INT32_MIN ((dbus_int32_t) 0x80000000) |
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#define _DBUS_INT32_MAX ((dbus_int32_t) 0x7fffffff) |
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#define _DBUS_UINT32_MAX ((dbus_uint32_t)0xffffffff) |
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/* using 32-bit here is sort of bogus */ |
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#define _DBUS_INT_MIN _DBUS_INT32_MIN |
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#define _DBUS_INT_MAX _DBUS_INT32_MAX |
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#define _DBUS_UINT_MAX _DBUS_UINT32_MAX |
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#ifdef DBUS_HAVE_INT64 |
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#define _DBUS_INT64_MAX DBUS_INT64_CONSTANT (0x7fffffffffffffff) |
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#define _DBUS_UINT64_MAX DBUS_UINT64_CONSTANT (0xffffffffffffffff) |
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#endif |
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#define _DBUS_ONE_KILOBYTE 1024 |
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#define _DBUS_ONE_MEGABYTE 1024 * _DBUS_ONE_KILOBYTE |
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#define _DBUS_ONE_HOUR_IN_MILLISECONDS (1000 * 60 * 60) |
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#define _DBUS_USEC_PER_SECOND (1000000) |
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|
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#undef MAX |
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#define MAX(a, b) (((a) > (b)) ? (a) : (b)) |
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#undef MIN |
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#define MIN(a, b) (((a) < (b)) ? (a) : (b)) |
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|
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#undef ABS |
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#define ABS(a) (((a) < 0) ? -(a) : (a)) |
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|
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#define _DBUS_ISASCII(c) ((c) != '\0' && (((c) & ~0x7f) == 0)) |
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|
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typedef void (* DBusForeachFunction) (void *element, |
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void *data); |
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|
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dbus_bool_t _dbus_set_fd_nonblocking (int fd, |
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DBusError *error); |
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|
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void _dbus_verbose_bytes (const unsigned char *data, |
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int len, |
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int offset); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void _dbus_verbose_bytes_of_string (const DBusString *str, |
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int start, |
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int len); |
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|
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const char* _dbus_header_field_to_string (int header_field); |
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|
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#ifdef __SYMBIAN32__ |
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IMPORT_C char * symbian_dbus_no_memory_message(void); |
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#define _dbus_no_memory_message (symbian_dbus_no_memory_message()) |
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#define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, (symbian_dbus_no_memory_message())) |
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#else |
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extern const char _dbus_no_memory_message[]; |
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#define _DBUS_SET_OOM(error) dbus_set_error_const ((error), DBUS_ERROR_NO_MEMORY, _dbus_no_memory_message) |
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#endif |
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|
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#ifdef DBUS_BUILD_TESTS |
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/* Memory debugging */ |
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void _dbus_set_fail_alloc_counter (int until_next_fail); |
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int _dbus_get_fail_alloc_counter (void); |
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void _dbus_set_fail_alloc_failures (int failures_per_failure); |
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int _dbus_get_fail_alloc_failures (void); |
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dbus_bool_t _dbus_decrement_fail_alloc_counter (void); |
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dbus_bool_t _dbus_disable_mem_pools (void); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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int _dbus_get_malloc_blocks_outstanding (void); |
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|
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typedef dbus_bool_t (* DBusTestMemoryFunction) (void *data); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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dbus_bool_t _dbus_test_oom_handling (const char *description, |
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DBusTestMemoryFunction func, |
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void *data); |
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#else |
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#define _dbus_set_fail_alloc_counter(n) |
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#define _dbus_get_fail_alloc_counter _DBUS_INT_MAX |
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|
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/* These are constant expressions so that blocks |
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* they protect should be optimized away |
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*/ |
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#define _dbus_decrement_fail_alloc_counter() (FALSE) |
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#define _dbus_disable_mem_pools() (FALSE) |
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#define _dbus_get_malloc_blocks_outstanding (0) |
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#endif /* !DBUS_BUILD_TESTS */ |
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|
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typedef void (* DBusShutdownFunction) (void *data); |
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dbus_bool_t _dbus_register_shutdown_func (DBusShutdownFunction function, |
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void *data); |
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#ifndef EMULATOR |
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extern int _dbus_current_generation; |
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#endif |
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//extern int _g_dbus_memory__dbus_current_generation; |
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//#endif |
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/* Thread initializers */ |
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#define _DBUS_LOCK_NAME(name) _dbus_lock_##name |
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#define _DBUS_DECLARE_GLOBAL_LOCK(name) extern DBusMutex *_dbus_lock_##name |
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#define _DBUS_DEFINE_GLOBAL_LOCK(name) DBusMutex *_dbus_lock_##name |
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|
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#define _DBUS_LOCK(name) _dbus_mutex_lock (_dbus_lock_##name) |
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#define _DBUS_UNLOCK(name) _dbus_mutex_unlock (_dbus_lock_##name) |
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|
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|
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|
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/* 1-5 */ |
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#ifndef EMULATOR |
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_DBUS_DECLARE_GLOBAL_LOCK (list); |
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_DBUS_DECLARE_GLOBAL_LOCK (connection_slots); |
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_DBUS_DECLARE_GLOBAL_LOCK (pending_call_slots); |
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_DBUS_DECLARE_GLOBAL_LOCK (server_slots); |
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_DBUS_DECLARE_GLOBAL_LOCK (message_slots); |
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/* 5-10 */ |
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_DBUS_DECLARE_GLOBAL_LOCK (atomic); |
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|
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|
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_DBUS_DECLARE_GLOBAL_LOCK (bus); |
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_DBUS_DECLARE_GLOBAL_LOCK (bus_datas); |
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_DBUS_DECLARE_GLOBAL_LOCK (shared_connections); |
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|
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_DBUS_DECLARE_GLOBAL_LOCK (shutdown_funcs); |
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_DBUS_DECLARE_GLOBAL_LOCK (system_users); |
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/* 10-15 */ |
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_DBUS_DECLARE_GLOBAL_LOCK (message_cache); |
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|
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_DBUS_DECLARE_GLOBAL_LOCK (win_fds); |
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_DBUS_DECLARE_GLOBAL_LOCK (sid_atom_cache); |
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_DBUS_DECLARE_GLOBAL_LOCK (machine_uuid); |
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#endif |
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#define _DBUS_N_GLOBAL_LOCKS (15) |
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|
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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dbus_bool_t _dbus_threads_init_debug (void); |
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|
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dbus_bool_t _dbus_address_append_escaped (DBusString *escaped, |
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const DBusString *unescaped); |
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|
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void _dbus_set_bad_address (DBusError *error, |
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const char *address_problem_type, |
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const char *address_problem_field, |
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const char *address_problem_other); |
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|
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#define DBUS_UUID_LENGTH_BYTES 16 |
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#define DBUS_UUID_LENGTH_WORDS (DBUS_UUID_LENGTH_BYTES / 4) |
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#define DBUS_UUID_LENGTH_HEX (DBUS_UUID_LENGTH_BYTES * 2) |
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|
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/** |
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* A globally unique ID ; we have one for each DBusServer, and also one for each |
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* machine with libdbus installed on it. |
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*/ |
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union DBusGUID |
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{ |
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dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS]; /**< guid as four uint32 values */ |
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char as_bytes[DBUS_UUID_LENGTH_BYTES]; /**< guid as 16 single-byte values */ |
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}; |
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402 |
|
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void _dbus_generate_uuid (DBusGUID *uuid); |
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dbus_bool_t _dbus_uuid_encode (const DBusGUID *uuid, |
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DBusString *encoded); |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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dbus_bool_t _dbus_read_uuid_file (const DBusString *filename, |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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DBusGUID *uuid, |
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Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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dbus_bool_t create_if_not_found, |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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DBusError *error); |
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Revision: 201002
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dbus_bool_t _dbus_get_local_machine_uuid_encoded (DBusString *uuid_str); |
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Revision: 201002
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413 |
DBUS_END_DECLS |
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#endif /* DBUS_INTERNALS_H */ |