summaryrefslogtreecommitdiffstats
path: root/src/pulsecore/shm.h
blob: 270591dec28e4a9242ceb9128b25d468b9ae64da (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
#ifndef foopulseshmhfoo
#define foopulseshmhfoo

/* $Id$ */

/***
  This file is part of PulseAudio.

  Copyright 2006 Lennart Poettering

  PulseAudio is free software; you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as
  published by the Free Software Foundation; either version 2.1 of the
  License, or (at your option) any later version.

  PulseAudio 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
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with PulseAudio; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  USA.
***/

#include <sys/types.h>

typedef struct pa_shm {
    unsigned id;
    void *ptr;
    size_t size;
    int do_unlink;
    int shared;
} pa_shm;

int pa_shm_create_rw(pa_shm *m, size_t size, int shared, mode_t mode);
int pa_shm_attach_ro(pa_shm *m, unsigned id);

void pa_shm_punch(pa_shm *m, size_t offset, size_t size);

void pa_shm_free(pa_shm *m);

int pa_shm_cleanup(void);

#endif