PulseAudio 17.0
operation.h
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1#ifndef foooperationhfoo
2#define foooperationhfoo
3
4/***
5 This file is part of PulseAudio.
6
7 Copyright 2004-2006 Lennart Poettering
8
9 PulseAudio is free software; you can redistribute it and/or modify
10 it under the terms of the GNU Lesser General Public License as published
11 by the Free Software Foundation; either version 2.1 of the License,
12 or (at your option) any later version.
13
14 PulseAudio is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 General Public License for more details.
18
19 You should have received a copy of the GNU Lesser General Public License
20 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
21***/
22
23#include <pulse/cdecl.h>
24#include <pulse/def.h>
25#include <pulse/version.h>
26
30PA_C_DECL_BEGIN
31
34
36typedef void (*pa_operation_notify_cb_t) (pa_operation *o, void *userdata);
37
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53
61
62PA_C_DECL_END
63
64#endif
Global definitions.
enum pa_operation_state pa_operation_state_t
The state of an operation.
void(* pa_operation_notify_cb_t)(pa_operation *o, void *userdata)
A callback for operation state changes.
Definition operation.h:36
void pa_operation_cancel(pa_operation *o)
Cancel the operation.
pa_operation_state_t pa_operation_get_state(const pa_operation *o)
Return the current status of the operation.
struct pa_operation pa_operation
An asynchronous operation object.
Definition operation.h:33
void pa_operation_unref(pa_operation *o)
Decrease the reference count by one.
void pa_operation_set_state_callback(pa_operation *o, pa_operation_notify_cb_t cb, void *userdata)
Set the callback function that is called when the operation state changes.
pa_operation * pa_operation_ref(pa_operation *o)
Increase the reference count by one.