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bluetooth: Track discovery modules by index

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Previously module-bluez5-discover and module-bluez4-discover were being
tracked using their pa_module pointer. But during daemon shutdown these
modules are unloaded before module-bluetooth-discover, leaving stale
pointers in module-bluetooth-discover's userdata. To avoid this problem
this commit makes module-bluetooth-discover keep track of
module-bluez5-discover and module-bluez4-discovery by their indexes.
This commit is contained in:
João Paulo Rechi Vita 2013-10-14 16:18:03 -03:00 • committed by Tanu Kaskinen
parent b402f9e01f
commit 9490a067bb
1 changed files with 20 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

31
src/modules/bluetooth/module-bluetooth-discover.c
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@ -35,24 +35,33 @@ PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_LOAD_ONCE(true);
struct userdata {
pa_module *bluez5_module;
pa_module *bluez4_module;
uint32_t bluez5_module_idx;
uint32_t bluez4_module_idx;
};
int pa__init(pa_module* m) {
struct userdata *u;
pa_module *mm;
pa_assert(m);
m->userdata = u = pa_xnew0(struct userdata, 1);
u->bluez5_module_idx = PA_INVALID_INDEX;
u->bluez4_module_idx = PA_INVALID_INDEX;
if (pa_module_exists("module-bluez5-discover"))
u->bluez5_module = pa_module_load(m->core, "module-bluez5-discover", NULL);
if (pa_module_exists("module-bluez5-discover")) {
mm = pa_module_load(m->core, "module-bluez5-discover", NULL);
if (mm)
u->bluez5_module_idx = mm->index;
}
if (pa_module_exists("module-bluez4-discover"))
u->bluez4_module = pa_module_load(m->core, "module-bluez4-discover", NULL);
if (pa_module_exists("module-bluez4-discover")) {
mm = pa_module_load(m->core, "module-bluez4-discover", NULL);
if (mm)
u->bluez4_module_idx = mm->index;
}
if (!u->bluez5_module && !u->bluez4_module) {
if (u->bluez5_module_idx == PA_INVALID_INDEX && u->bluez4_module_idx == PA_INVALID_INDEX) {
pa_xfree(u);
return -1;
}
@ -68,11 +77,11 @@ void pa__done(pa_module* m) {
if (!(u = m->userdata))
return;
if (u->bluez5_module)
pa_module_unload(m->core, u->bluez5_module, true);
if (u->bluez5_module_idx != PA_INVALID_INDEX)
pa_module_unload_by_index(m->core, u->bluez5_module_idx, true);
if (u->bluez4_module)
pa_module_unload(m->core, u->bluez4_module, true);
if (u->bluez4_module_idx != PA_INVALID_INDEX)
pa_module_unload_by_index(m->core, u->bluez4_module_idx, true);
pa_xfree(u);
}