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cli-command: don't exit on "module already loaded" errors

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Some modules may only be loaded once, and trying to load them
twice from default.pa makes PulseAudio startup fail. While that could
be considered a user error, it's nicer to not be so strict. It's not
necessarily easy to figure what went wrong, if for example the user
plays with RAOP and adds module-raop-discover to default.pa, which first
works fine, but suddenly stops working when the user at some point
enables RAOP support in paprefs. Enabling RAOP in paprefs makes
module-gconf load the module too, so the module gets loaded twice.

This patch adds a way to differentiate module load errors, and
make cli-command ignore the error when the module is already
loaded.
This commit is contained in:
Colin Leroy 2017-08-26 11:21:15 +02:00 • committed by Tanu Kaskinen
parent 1a66715320
commit f0dfddead3
23 changed files with 62 additions and 36 deletions
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2
src/modules/module-combine.c
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@ -48,7 +48,7 @@ int pa__init(pa_module*m) {
pa_log_warn("We will now load module-combine-sink. Please make sure to remove module-combine from your configuration.");
module = pa_module_load(m->core, "module-combine-sink", m->argument);
pa_module_load(&module, m->core, "module-combine-sink", m->argument);
u->module_index = module ? module->index : PA_INVALID_INDEX;
return module ? 0 : -1;