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context: use pw_context_destroy() in error cases

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Make sure we free all the resources of a context when it can't be
created.
This commit is contained in:
Wim Taymans 2021-06-08 14:58:31 +02:00
parent c12bdb8c6c
commit 750cafd7d1
1 changed files with 39 additions and 41 deletions
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80
src/pipewire/context.c
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@ -198,7 +198,7 @@ struct pw_context *pw_context_new(struct pw_loop *main_loop,
const char *lib, *str, *conf_prefix, *conf_name;
void *dbus_iface = NULL;
uint32_t n_support;
struct pw_properties *pr, *conf = NULL;
struct pw_properties *pr, *conf;
struct spa_cpu *cpu;
int res = 0;
@ -215,18 +215,44 @@ struct pw_context *pw_context_new(struct pw_loop *main_loop,
if (user_data_size > 0)
this->user_data = SPA_PTROFF(impl, sizeof(struct impl), void);
pw_array_init(&this->factory_lib, 32);
pw_array_init(&this->objects, 32);
pw_map_init(&this->globals, 128, 32);
spa_list_init(&this->core_impl_list);
spa_list_init(&this->protocol_list);
spa_list_init(&this->core_list);
spa_list_init(&this->registry_resource_list);
spa_list_init(&this->global_list);
spa_list_init(&this->module_list);
spa_list_init(&this->device_list);
spa_list_init(&this->client_list);
spa_list_init(&this->node_list);
spa_list_init(&this->factory_list);
spa_list_init(&this->link_list);
spa_list_init(&this->control_list[0]);
spa_list_init(&this->control_list[1]);
spa_list_init(&this->export_list);
spa_list_init(&this->driver_list);
spa_hook_list_init(&this->listener_list);
spa_hook_list_init(&this->driver_listener_list);
this->sc_pagesize = sysconf(_SC_PAGESIZE);
if (properties == NULL)
properties = pw_properties_new(NULL, NULL);
if (properties == NULL) {
res = -errno;
goto error_free;
}
this->properties = properties;
conf = pw_properties_new(NULL, NULL);
if (conf == NULL) {
res = -errno;
goto error_free;
}
this->conf = conf;
conf_prefix = getenv("PIPEWIRE_CONFIG_PREFIX");
if (conf_prefix == NULL)
@ -244,7 +270,6 @@ struct pw_context *pw_context_new(struct pw_loop *main_loop,
}
}
}
this->conf = conf;
n_support = pw_get_support(this->support, SPA_N_ELEMENTS(this->support) - 6);
cpu = spa_support_find(this->support, n_support, SPA_TYPE_INTERFACE_CPU);
@ -279,7 +304,6 @@ struct pw_context *pw_context_new(struct pw_loop *main_loop,
else
pw_log_info(NAME" %p: mlockall succeeded", impl);
}
this->properties = properties;
fill_defaults(this);
@ -297,7 +321,7 @@ struct pw_context *pw_context_new(struct pw_loop *main_loop,
this->pool = pw_mempool_new(NULL);
if (this->pool == NULL) {
res = -errno;
goto error_free_loop;
goto error_free;
}
this->data_loop = pw_data_loop_get_loop(this->data_loop_impl);
@ -330,69 +354,41 @@ struct pw_context *pw_context_new(struct pw_loop *main_loop,
}
this->n_support = n_support;
pw_array_init(&this->factory_lib, 32);
pw_array_init(&this->objects, 32);
pw_map_init(&this->globals, 128, 32);
spa_list_init(&this->core_impl_list);
spa_list_init(&this->protocol_list);
spa_list_init(&this->core_list);
spa_list_init(&this->registry_resource_list);
spa_list_init(&this->global_list);
spa_list_init(&this->module_list);
spa_list_init(&this->device_list);
spa_list_init(&this->client_list);
spa_list_init(&this->node_list);
spa_list_init(&this->factory_list);
spa_list_init(&this->link_list);
spa_list_init(&this->control_list[0]);
spa_list_init(&this->control_list[1]);
spa_list_init(&this->export_list);
spa_list_init(&this->driver_list);
spa_hook_list_init(&this->listener_list);
spa_hook_list_init(&this->driver_listener_list);
this->core = pw_context_create_core(this, pw_properties_copy(properties), 0);
if (this->core == NULL) {
res = -errno;
goto error_free_loop;
goto error_free;
}
pw_impl_core_register(this->core, NULL);
fill_properties(this);
if ((res = pw_data_loop_start(this->data_loop_impl)) < 0)
goto error_free_loop;
this->sc_pagesize = sysconf(_SC_PAGESIZE);
goto error_free;
if ((res = pw_context_parse_conf_section(this, conf, "context.spa-libs")) < 0)
goto error_free_loop;
goto error_free;
pw_log_info(NAME" %p: parsed %d context.spa-libs items", this, res);
if ((res = pw_context_parse_conf_section(this, conf, "context.modules")) < 0)
goto error_free_loop;
goto error_free;
if (res > 0)
pw_log_info(NAME" %p: parsed %d context.modules items", this, res);
else
pw_log_warn(NAME "%p: no modules loaded from context.modules", this);
if ((res = pw_context_parse_conf_section(this, conf, "context.objects")) < 0)
goto error_free_loop;
goto error_free;
pw_log_info(NAME" %p: parsed %d context.objects items", this, res);
if ((res = pw_context_parse_conf_section(this, conf, "context.exec")) < 0)
goto error_free_loop;
goto error_free;
pw_log_info(NAME" %p: parsed %d context.exec items", this, res);
pw_log_debug(NAME" %p: created", this);
return this;
error_free_loop:
pw_data_loop_destroy(this->data_loop_impl);
error_free:
free(this);
pw_context_destroy(this);
error_cleanup:
pw_properties_free(conf);
pw_properties_free(properties);
errno = -res;
return NULL;
}
@ -445,9 +441,11 @@ void pw_context_destroy(struct pw_context *context)
pw_log_debug(NAME" %p: free", context);
pw_context_emit_free(context);
pw_mempool_destroy(context->pool);
if (context->pool)
pw_mempool_destroy(context->pool);
pw_data_loop_destroy(context->data_loop_impl);
if (context->data_loop_impl)
pw_data_loop_destroy(context->data_loop_impl);
if (context->work_queue)
pw_work_queue_destroy(context->work_queue);