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add refernce counting for sinks, sources, sink-inputs and source-outputs

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@200 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-09-14 20:53:25 +00:00
parent 8c6593dabf
commit 6e019795bf
27 changed files with 426 additions and 132 deletions
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57
polyp/module.c
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@ -85,6 +85,7 @@ struct pa_module* pa_module_load(struct pa_core *c, const char *name, const char
m->core = c;
m->n_used = -1;
m->auto_unload = 0;
m->unload_requested = 0;
assert(m->init);
if (m->init(c, m) < 0) {
@ -183,9 +184,15 @@ void pa_module_unload_all(struct pa_core *c) {
pa_idxset_free(c->modules, free_callback, NULL);
c->modules = NULL;
if (c->auto_unload_event)
if (c->auto_unload_event) {
c->mainloop->time_free(c->auto_unload_event);
c->auto_unload_event = NULL;
c->auto_unload_event = NULL;
}
if (c->defer_unload_event) {
c->mainloop->defer_free(c->defer_unload_event);
c->defer_unload_event = NULL;
}
}
static int unused_callback(void *p, uint32_t index, int *del, void *userdata) {
@ -212,26 +219,38 @@ void pa_module_unload_unused(struct pa_core *c) {
pa_idxset_foreach(c->modules, unused_callback, &now);
}
struct once_info {
struct pa_core *core;
uint32_t index;
};
static void module_unload_once_callback(struct pa_mainloop_api *m, void *userdata) {
struct once_info *i = userdata;
assert(i);
pa_module_unload_by_index(i->core, i->index);
pa_xfree(i);
static int unload_callback(void *p, uint32_t index, int *del, void *userdata) {
struct pa_module *m = p;
assert(m);
if (m->unload_requested) {
pa_module_free(m);
*del = 1;
}
return 0;
}
void pa_module_unload_request(struct pa_core *c, struct pa_module *m) {
struct once_info *i;
assert(c && m);
static void defer_cb(struct pa_mainloop_api*api, struct pa_defer_event *e, void *userdata) {
struct pa_core *core = userdata;
api->defer_enable(e, 0);
i = pa_xmalloc(sizeof(struct once_info));
i->core = c;
i->index = m->index;
pa_mainloop_api_once(c->mainloop, module_unload_once_callback, i);
if (!core->modules)
return;
pa_idxset_foreach(core->modules, unload_callback, NULL);
}
void pa_module_unload_request(struct pa_module *m) {
assert(m);
m->unload_requested = 1;
if (!m->core->defer_unload_event)
m->core->defer_unload_event = m->core->mainloop->defer_new(m->core->mainloop, defer_cb, m->core);
m->core->mainloop->defer_enable(m->core->defer_unload_event, 1);
}
void pa_module_set_used(struct pa_module*m, int used) {