blob: cba141048bd99c26fc3c46bd2046ebc0daaee2a4 (
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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#ifndef foopulsememhfoo
#define foopulsememhfoo
/***
This file is part of PulseAudio.
Copyright 2016 Ahmed S. Darwish <darwish.07@gmail.com>
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, see <http://www.gnu.org/licenses/>.
***/
#include <stdbool.h>
#include <pulsecore/creds.h>
#include <pulsecore/macro.h>
typedef enum pa_mem_type {
PA_MEM_TYPE_SHARED_POSIX, /* Data is shared and created using POSIX shm_open() */
PA_MEM_TYPE_SHARED_MEMFD, /* Data is shared and created using Linux memfd_create() */
PA_MEM_TYPE_PRIVATE, /* Data is private and created using classic memory allocation
(posix_memalign(), malloc() or anonymous mmap()) */
} pa_mem_type_t;
static inline const char *pa_mem_type_to_string(pa_mem_type_t type) {
switch (type) {
case PA_MEM_TYPE_SHARED_POSIX:
return "shared posix-shm";
case PA_MEM_TYPE_SHARED_MEMFD:
return "shared memfd";
case PA_MEM_TYPE_PRIVATE:
return "private";
}
pa_assert_not_reached();
}
static inline bool pa_mem_type_is_shared(pa_mem_type_t t) {
return (t == PA_MEM_TYPE_SHARED_POSIX) || (t == PA_MEM_TYPE_SHARED_MEMFD);
}
static inline bool pa_memfd_is_locally_supported() {
#if defined(HAVE_CREDS) && defined(HAVE_MEMFD)
return true;
#else
return false;
#endif
}
#endif
|