4 This file is part of polypaudio.
6 polypaudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 polypaudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with polypaudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
35 struct pa_module* pa_module_load(struct pa_core *c, const char *name, const char *argument) {
36 struct pa_module *m = NULL;
41 m = malloc(sizeof(struct pa_module));
44 m->name = strdup(name);
45 m->argument = argument ? strdup(argument) : NULL;
47 if (!(m->dl = lt_dlopenext(name)))
50 if (!(m->init = lt_dlsym(m->dl, "pa_module_init")))
53 if (!(m->done = lt_dlsym(m->dl, "pa_module_done")))
60 if (m->init(c, m) < 0)
64 c->modules = pa_idxset_new(NULL, NULL);
67 r = pa_idxset_put(c->modules, m, &m->index);
68 assert(r >= 0 && m->index != PA_IDXSET_INVALID);
70 fprintf(stderr, "module: loaded %u \"%s\" with argument \"%s\".\n", m->index, m->name, m->argument);
88 static void pa_module_free(struct pa_module *m) {
89 assert(m && m->done && m->core);
94 fprintf(stderr, "module: unloaded %u \"%s\".\n", m->index, m->name);
102 void pa_module_unload(struct pa_core *c, struct pa_module *m) {
106 if (!(m = pa_idxset_remove_by_data(c->modules, m, NULL)))
112 void pa_module_unload_by_index(struct pa_core *c, uint32_t index) {
114 assert(c && index != PA_IDXSET_INVALID);
117 if (!(m = pa_idxset_remove_by_index(c->modules, index)))
123 static void free_callback(void *p, void *userdata) {
124 struct pa_module *m = p;
129 void pa_module_unload_all(struct pa_core *c) {
135 pa_idxset_free(c->modules, free_callback, NULL);
140 struct pa_core *core;
145 static void module_unload_once_callback(void *userdata) {
146 struct once_info *i = userdata;
148 pa_module_unload_by_index(i->core, i->index);
152 void pa_module_unload_request(struct pa_core *c, struct pa_module *m) {
156 i = malloc(sizeof(struct once_info));
160 pa_mainloop_api_once(c->mainloop, module_unload_once_callback, i);