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Diffstat (limited to 'src/3rdparty/libdbus/dbus/dbus-dataslot.h')
| -rw-r--r-- | src/3rdparty/libdbus/dbus/dbus-dataslot.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/3rdparty/libdbus/dbus/dbus-dataslot.h b/src/3rdparty/libdbus/dbus/dbus-dataslot.h new file mode 100644 index 00000000..08322c1c --- /dev/null +++ b/src/3rdparty/libdbus/dbus/dbus-dataslot.h @@ -0,0 +1,100 @@ +/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ +/* dbus-dataslot.h storing data on objects + * + * Copyright (C) 2003 Red Hat, Inc. + * + * SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later + * + * Licensed under the Academic Free License version 2.1 + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + */ +#ifndef DBUS_DATASLOT_H +#define DBUS_DATASLOT_H + +#include <dbus/dbus-internals.h> + +DBUS_BEGIN_DECLS + +typedef struct DBusDataSlotAllocator DBusDataSlotAllocator; +typedef struct DBusDataSlotList DBusDataSlotList; + +/** Opaque typedef for DBusDataSlot */ +typedef struct DBusDataSlot DBusDataSlot; +/** DBusDataSlot is used to store application data on the connection */ +struct DBusDataSlot +{ + void *data; /**< The application data */ + DBusFreeFunction free_data_func; /**< Free the application data */ +}; + +typedef struct DBusAllocatedSlot DBusAllocatedSlot; + +/** An allocated slot for storing data + */ +struct DBusAllocatedSlot +{ + dbus_int32_t slot_id; /**< ID of this slot */ + int refcount; /**< Number of uses of the slot */ +}; + +/** + * An allocator that tracks a set of slot IDs. + */ +struct DBusDataSlotAllocator +{ + DBusAllocatedSlot *allocated_slots; /**< Allocated slots */ + int n_allocated_slots; /**< number of slots malloc'd */ + int n_used_slots; /**< number of slots used */ + DBusGlobalLock lock; /**< index of thread lock */ +}; + +#define _DBUS_DATA_SLOT_ALLOCATOR_INIT(x) { NULL, 0, 0, x } + +/** + * Data structure that stores the actual user data set at a given + * slot. + */ +struct DBusDataSlotList +{ + DBusDataSlot *slots; /**< Data slots */ + int n_slots; /**< Slots we have storage for in data_slots */ +}; + +dbus_bool_t _dbus_data_slot_allocator_init (DBusDataSlotAllocator *allocator, + DBusGlobalLock lock); +dbus_bool_t _dbus_data_slot_allocator_alloc (DBusDataSlotAllocator *allocator, + int *slot_id_p); +void _dbus_data_slot_allocator_free (DBusDataSlotAllocator *allocator, + int *slot_id_p); +void _dbus_data_slot_list_init (DBusDataSlotList *list); +dbus_bool_t _dbus_data_slot_list_set (DBusDataSlotAllocator *allocator, + DBusDataSlotList *list, + int slot, + void *data, + DBusFreeFunction free_data_func, + DBusFreeFunction *old_free_func, + void **old_data); +void* _dbus_data_slot_list_get (DBusDataSlotAllocator *allocator, + DBusDataSlotList *list, + int slot); +void _dbus_data_slot_list_clear (DBusDataSlotList *list); +void _dbus_data_slot_list_free (DBusDataSlotList *list); + + +DBUS_END_DECLS + +#endif /* DBUS_DATASLOT_H */ |