summaryrefslogtreecommitdiffstats
path: root/src/modules/module-esound-compat-spawnfd.c
blob: 263e81f93603ce2220bdbe6ed270e1fc0124dcda (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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
/* $Id$ */

/***
  This file is part of PulseAudio.
 
  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 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
  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.
***/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <unistd.h>
#include <assert.h>
#include <string.h>
#include <errno.h>

#include <pulsecore/core-error.h>
#include <pulsecore/module.h>
#include <pulsecore/modargs.h>
#include <pulsecore/core-util.h>
#include <pulsecore/log.h>

#include "module-esound-compat-spawnfd-symdef.h"

PA_MODULE_AUTHOR("Lennart Poettering")
PA_MODULE_DESCRIPTION("ESOUND compatibility module: -spawnfd emulation")
PA_MODULE_USAGE("fd=<file descriptor>")
PA_MODULE_VERSION(PACKAGE_VERSION)

static const char* const valid_modargs[] = {
    "fd",
    NULL,
};

int pa__init(pa_core *c, pa_module*m) {
    pa_modargs *ma = NULL;
    int ret = -1, fd = -1;
    char x = 1;
    assert(c && m);

    if (!(ma = pa_modargs_new(m->argument, valid_modargs)) ||
        pa_modargs_get_value_s32(ma, "fd", &fd) < 0 ||
        fd < 0) {
        pa_log("Failed to parse module arguments");
        goto finish;
    }

    if (pa_loop_write(fd, &x, sizeof(x), NULL) != sizeof(x))
        pa_log("WARNING: write(%u, 1, 1) failed: %s", fd, pa_cstrerror(errno));

    close(fd);

    pa_module_unload_request(m);

    ret = 0;

finish:
    if (ma)
        pa_modargs_free(ma);

    return ret;
}

void pa__done(pa_core *c, pa_module*m) {
    assert(c && m);
}