improve error handling

Make sure we free properties we take ownership of.
Add some more return values to functions that can fail.
This commit is contained in:
Wim Taymans 2019-06-19 18:15:04 +02:00
parent 00ea15dc1f
commit d1241e2c1c
17 changed files with 241 additions and 158 deletions

View file

@ -222,11 +222,11 @@ struct spa_loop_utils_methods {
struct spa_source *(*add_idle) (void *object,
bool enabled,
spa_source_idle_func_t func, void *data);
void (*enable_idle) (void *object, struct spa_source *source, bool enabled);
int (*enable_idle) (void *object, struct spa_source *source, bool enabled);
struct spa_source *(*add_event) (void *object,
spa_source_event_func_t func, void *data);
void (*signal_event) (void *object, struct spa_source *source);
int (*signal_event) (void *object, struct spa_source *source);
struct spa_source *(*add_timer) (void *object,
spa_source_timer_func_t func, void *data);
@ -276,9 +276,9 @@ struct spa_loop_utils_methods {
#define spa_loop_utils_add_io(l,...) spa_loop_utils_method_s(l,add_io,0,__VA_ARGS__)
#define spa_loop_utils_update_io(l,...) spa_loop_utils_method_r(l,update_io,0,__VA_ARGS__)
#define spa_loop_utils_add_idle(l,...) spa_loop_utils_method_s(l,add_idle,0,__VA_ARGS__)
#define spa_loop_utils_enable_idle(l,...) spa_loop_utils_method_v(l,enable_idle,0,__VA_ARGS__)
#define spa_loop_utils_enable_idle(l,...) spa_loop_utils_method_r(l,enable_idle,0,__VA_ARGS__)
#define spa_loop_utils_add_event(l,...) spa_loop_utils_method_s(l,add_event,0,__VA_ARGS__)
#define spa_loop_utils_signal_event(l,...) spa_loop_utils_method_v(l,signal_event,0,__VA_ARGS__)
#define spa_loop_utils_signal_event(l,...) spa_loop_utils_method_r(l,signal_event,0,__VA_ARGS__)
#define spa_loop_utils_add_timer(l,...) spa_loop_utils_method_s(l,add_timer,0,__VA_ARGS__)
#define spa_loop_utils_update_timer(l,...) spa_loop_utils_method_r(l,update_timer,0,__VA_ARGS__)
#define spa_loop_utils_add_signal(l,...) spa_loop_utils_method_s(l,add_signal,0,__VA_ARGS__)

View file

@ -56,7 +56,7 @@ struct invoke_item {
int res;
};
static void loop_signal_event(void *object, struct spa_source *source);
static int loop_signal_event(void *object, struct spa_source *source);
struct impl {
struct spa_handle handle;
@ -361,10 +361,10 @@ static void source_idle_func(struct spa_source *source)
}
static void loop_enable_idle(void *object, struct spa_source *source, bool enabled)
static int loop_enable_idle(void *object, struct spa_source *source, bool enabled)
{
struct source_impl *impl = SPA_CONTAINER_OF(source, struct source_impl, source);
int res;
int res = 0;
if (enabled && !impl->enabled) {
if ((res = spa_system_eventfd_write(impl->impl->system, source->fd, 1)) < 0)
@ -377,6 +377,7 @@ static void loop_enable_idle(void *object, struct spa_source *source, bool enabl
source, source->fd, spa_strerror(res));
}
impl->enabled = enabled;
return res;
}
static struct spa_source *loop_add_idle(void *object,
bool enabled, spa_source_idle_func_t func, void *data)
@ -474,7 +475,7 @@ err_free:
goto out;
}
static void loop_signal_event(void *object, struct spa_source *source)
static int loop_signal_event(void *object, struct spa_source *source)
{
struct source_impl *impl = SPA_CONTAINER_OF(source, struct source_impl, source);
int res;
@ -482,6 +483,7 @@ static void loop_signal_event(void *object, struct spa_source *source)
if ((res = spa_system_eventfd_write(impl->impl->system, source->fd, 1)) < 0)
spa_log_warn(impl->impl->log, NAME " %p: failed to write event fd %d: %s",
source, source->fd, spa_strerror(res));
return res;
}
static void source_timer_func(struct spa_source *source)

View file

@ -341,13 +341,10 @@ int pw_client_register(struct pw_client *client,
struct pw_core *core = client->core;
if (client->registered)
return -EEXIST;
goto error_existed;
pw_log_debug("client %p: register parent %d", client, parent ? parent->id : SPA_ID_INVALID);
spa_list_append(&core->client_list, &client->link);
client->registered = true;
client->global = pw_global_new(core,
PW_TYPE_INTERFACE_Client,
PW_VERSION_CLIENT_PROXY,
@ -357,11 +354,19 @@ int pw_client_register(struct pw_client *client,
if (client->global == NULL)
return -errno;
spa_list_append(&core->client_list, &client->link);
client->registered = true;
pw_global_add_listener(client->global, &client->global_listener, &global_events, client);
pw_global_register(client->global, owner, parent);
client->info.id = client->global->id;
return 0;
error_existed:
if (properties)
pw_properties_free(properties);
return -EEXIST;
}
SPA_EXPORT

View file

@ -352,6 +352,9 @@ int pw_device_register(struct pw_device *device,
struct node_data *nd;
const char *str;
if (device->registered)
goto error_existed;
if (properties == NULL)
properties = pw_properties_new(NULL, NULL);
if (properties == NULL)
@ -361,9 +364,6 @@ int pw_device_register(struct pw_device *device,
if ((str = pw_properties_get(device->properties, PW_KEY_MEDIA_CLASS)) != NULL)
pw_properties_set(properties, PW_KEY_MEDIA_CLASS, str);
spa_list_append(&core->device_list, &device->link);
device->registered = true;
device->global = pw_global_new(core,
PW_TYPE_INTERFACE_Device, PW_VERSION_DEVICE_PROXY,
properties,
@ -372,6 +372,9 @@ int pw_device_register(struct pw_device *device,
if (device->global == NULL)
return -errno;
spa_list_append(&core->device_list, &device->link);
device->registered = true;
device->info.id = device->global->id;
pw_global_add_listener(device->global, &device->global_listener, &global_events, device);
pw_global_register(device->global, owner, parent);
@ -381,6 +384,11 @@ int pw_device_register(struct pw_device *device,
pw_node_set_active(nd->node, true);
}
return 0;
error_existed:
if (properties)
pw_properties_free(properties);
return -EEXIST;
}
static void node_destroy(void *data)

View file

@ -153,7 +153,7 @@ int pw_factory_register(struct pw_factory *factory,
struct pw_core *core = factory->core;
if (factory->registered)
return -EEXIST;
goto error_existed;
if (properties == NULL)
properties = pw_properties_new(NULL, NULL);
@ -165,9 +165,6 @@ int pw_factory_register(struct pw_factory *factory,
spa_debug_type_find_name(pw_type_info(), factory->info.type));
pw_properties_setf(properties, PW_KEY_FACTORY_TYPE_VERSION, "%d", factory->info.version);
spa_list_append(&core->factory_list, &factory->link);
factory->registered = true;
factory->global = pw_global_new(core,
PW_TYPE_INTERFACE_Factory,
PW_VERSION_FACTORY_PROXY,
@ -177,11 +174,19 @@ int pw_factory_register(struct pw_factory *factory,
if (factory->global == NULL)
return -errno;
spa_list_append(&core->factory_list, &factory->link);
factory->registered = true;
pw_global_add_listener(factory->global, &factory->global_listener, &global_events, factory);
pw_global_register(factory->global, owner, parent);
factory->info.id = factory->global->id;
return 0;
error_existed:
if (properties)
pw_properties_free(properties);
return -EEXIST;
}
SPA_EXPORT

View file

@ -92,8 +92,10 @@ pw_global_new(struct pw_core *core,
int res;
impl = calloc(1, sizeof(struct impl));
if (impl == NULL)
return NULL;
if (impl == NULL) {
res = -errno;
goto error_cleanup;
}
this = &impl->this;
@ -107,7 +109,7 @@ pw_global_new(struct pw_core *core,
if (this->id == SPA_ID_INVALID) {
res = -errno;
pw_log_error("global %p: can't allocate new id: %m", this);
goto error_clean;
goto error_free;
}
spa_list_init(&this->child_list);
@ -120,8 +122,11 @@ pw_global_new(struct pw_core *core,
return this;
error_clean:
error_free:
free(impl);
error_cleanup:
if (properties)
pw_properties_free(properties);
errno = -res;
return NULL;
}
@ -145,6 +150,9 @@ pw_global_register(struct pw_global *global,
struct pw_resource *registry;
struct pw_core *core = global->core;
if (impl->registered)
return -EEXIST;
global->owner = owner;
if (owner && parent == NULL)
parent = owner->global;

View file

@ -1253,24 +1253,24 @@ struct pw_link *pw_link_new(struct pw_core *core,
int res;
if (output == input)
goto same_ports;
goto error_same_ports;
if (output->direction != PW_DIRECTION_OUTPUT ||
input->direction != PW_DIRECTION_INPUT)
goto wrong_direction;
goto error_wrong_direction;
if (pw_link_find(output, input))
goto link_exists;
goto error_link_exists;
if (check_permission(core, output, input, properties) < 0)
goto link_not_allowed;
goto error_link_not_allowed;
input_node = input->node;
output_node = output->node;
impl = calloc(1, sizeof(struct impl) + user_data_size);
if (impl == NULL)
goto no_mem;
goto error_no_mem;
this = &impl->this;
this->feedback = pw_node_can_reach(input_node, output_node);
@ -1322,7 +1322,7 @@ struct pw_link *pw_link_new(struct pw_core *core,
pw_port_init_mix(input, &this->rt.in_mix);
if ((res = select_io(this)) < 0)
goto no_io;
goto error_no_io;
if (this->feedback) {
impl->inode = output_node;
@ -1351,28 +1351,35 @@ struct pw_link *pw_link_new(struct pw_core *core,
return this;
no_io:
pw_log_error("can't set io %d (%s)", res, spa_strerror(res));
errno = -res;
return NULL;
same_ports:
error_same_ports:
res = -EINVAL;
pw_log_error("can't link the same ports");
errno = EINVAL;
return NULL;
wrong_direction:
goto error_exit;
error_wrong_direction:
res = -EINVAL;
pw_log_error("ports have wrong direction");
errno = EINVAL;
return NULL;
link_exists:
goto error_exit;
error_link_exists:
res = -EEXIST;
pw_log_error("link already exists");
errno = EEXIST;
return NULL;
link_not_allowed:
goto error_exit;
error_link_not_allowed:
res = -EPERM;
pw_log_error("link not allowed");
errno = EPERM;
return NULL;
no_mem:
pw_log_error("no memory");
goto error_exit;
error_no_mem:
res = -errno;
pw_log_error("alloc failed: %m");
goto error_exit;
error_no_io:
pw_log_error("can't set io %d (%s)", res, spa_strerror(res));
goto error_free;
error_free:
free(impl);
error_exit:
if (properties)
pw_properties_free(properties);
errno = -res;
return NULL;
}
@ -1399,7 +1406,7 @@ int pw_link_register(struct pw_link *link,
struct pw_node *input_node, *output_node;
if (link->registered)
return -EEXIST;
goto error_existed;
if (properties == NULL)
properties = pw_properties_new(NULL, NULL);
@ -1417,9 +1424,6 @@ int pw_link_register(struct pw_link *link,
pw_properties_setf(properties, PW_KEY_LINK_INPUT_PORT, "%d", link->info.input_port_id);
pw_properties_setf(properties, PW_KEY_LINK_OUTPUT_PORT, "%d", link->info.output_port_id);
spa_list_append(&core->link_list, &link->link);
link->registered = true;
link->global = pw_global_new(core,
PW_TYPE_INTERFACE_Link,
PW_VERSION_LINK_PROXY,
@ -1429,9 +1433,11 @@ int pw_link_register(struct pw_link *link,
if (link->global == NULL)
return -errno;
pw_global_add_listener(link->global, &link->global_listener, &global_events, link);
spa_list_append(&core->link_list, &link->link);
link->registered = true;
link->info.id = link->global->id;
pw_global_add_listener(link->global, &link->global_listener, &global_events, link);
pw_global_register(link->global, owner, parent);
debug_link(link);
@ -1442,6 +1448,11 @@ int pw_link_register(struct pw_link *link,
pw_link_prepare(link);
return 0;
error_existed:
if (properties)
pw_properties_free(properties);
return -EEXIST;
}
SPA_EXPORT

View file

@ -62,8 +62,10 @@ struct pw_loop *pw_loop_new(struct pw_properties *properties)
n_support = pw_get_support(support, 32);
impl = calloc(1, sizeof(struct impl));
if (impl == NULL)
return NULL;
if (impl == NULL) {
res = -errno;
goto error_cleanup;
}
this = &impl->this;
impl->properties = properties;
@ -79,15 +81,15 @@ struct pw_loop *pw_loop_new(struct pw_properties *properties)
n_support, support);
if (impl->system_handle == NULL) {
res = -errno;
pw_log_error("can't make system handle");
goto out_free;
pw_log_error("can't make system handle: %m");
goto error_free;
}
if ((res = spa_handle_get_interface(impl->system_handle,
SPA_TYPE_INTERFACE_System,
&iface)) < 0) {
pw_log_error("can't get System interface %d\n", res);
goto out_free_system;
pw_log_error("can't get System interface %s", spa_strerror(res));
goto error_unload_system;
}
this->system = iface;
@ -105,14 +107,14 @@ struct pw_loop *pw_loop_new(struct pw_properties *properties)
if (impl->loop_handle == NULL) {
res = -errno;
pw_log_error("can't make loop handle: %m");
goto out_free_system;
goto error_unload_system;
}
if ((res = spa_handle_get_interface(impl->loop_handle,
SPA_TYPE_INTERFACE_Loop,
&iface)) < 0) {
fprintf(stderr, "can't get Loop interface %d\n", res);
goto out_free_loop;
goto error_unload_loop;
}
this->loop = iface;
@ -120,7 +122,7 @@ struct pw_loop *pw_loop_new(struct pw_properties *properties)
SPA_TYPE_INTERFACE_LoopControl,
&iface)) < 0) {
fprintf(stderr, "can't get LoopControl interface %d\n", res);
goto out_free_loop;
goto error_unload_loop;
}
this->control = iface;
@ -128,18 +130,21 @@ struct pw_loop *pw_loop_new(struct pw_properties *properties)
SPA_TYPE_INTERFACE_LoopUtils,
&iface)) < 0) {
fprintf(stderr, "can't get LoopUtils interface %d\n", res);
goto out_free_loop;
goto error_unload_loop;
}
this->utils = iface;
return this;
out_free_loop:
error_unload_loop:
pw_unload_spa_handle(impl->loop_handle);
out_free_system:
error_unload_system:
pw_unload_spa_handle(impl->system_handle);
out_free:
error_free:
free(impl);
error_cleanup:
if (properties)
pw_properties_free(properties);
errno = -res;
return NULL;
}

View file

@ -45,31 +45,37 @@ struct pw_main_loop *pw_main_loop_new(struct pw_properties *properties)
int res;
this = calloc(1, sizeof(struct pw_main_loop));
if (this == NULL)
return NULL;
if (this == NULL) {
res = -errno;
goto error_cleanup;
}
pw_log_debug("main-loop %p: new", this);
this->loop = pw_loop_new(properties);
properties = NULL;
if (this->loop == NULL) {
res = -errno;
goto no_loop;
goto error_free;
}
this->event = pw_loop_add_event(this->loop, do_stop, this);
if (this->event == NULL) {
res = -errno;
goto no_event;
goto error_free_loop;
}
spa_hook_list_init(&this->listener_list);
return this;
no_event:
error_free_loop:
pw_loop_destroy(this->loop);
no_loop:
error_free:
free(this);
error_cleanup:
if (properties)
pw_properties_free(properties);
errno = -res;
return NULL;
}
@ -113,10 +119,10 @@ struct pw_loop * pw_main_loop_get_loop(struct pw_main_loop *loop)
* \memberof pw_main_loop
*/
SPA_EXPORT
void pw_main_loop_quit(struct pw_main_loop *loop)
int pw_main_loop_quit(struct pw_main_loop *loop)
{
pw_log_debug("main-loop %p: quit", loop);
pw_loop_signal_event(loop->loop, loop->event);
return pw_loop_signal_event(loop->loop, loop->event);
}
/** Start a main loop
@ -128,14 +134,19 @@ void pw_main_loop_quit(struct pw_main_loop *loop)
* \memberof pw_main_loop
*/
SPA_EXPORT
void pw_main_loop_run(struct pw_main_loop *loop)
int pw_main_loop_run(struct pw_main_loop *loop)
{
int res = 0;
pw_log_debug("main-loop %p: run", loop);
loop->running = true;
pw_loop_enter(loop->loop);
while (loop->running) {
pw_loop_iterate(loop->loop, -1);
if ((res = pw_loop_iterate(loop->loop, -1)) < 0)
pw_log_warn("main-loop %p: iterate error %d (%s)",
loop, res, spa_strerror(res));
}
pw_loop_leave(loop->loop);
return res;
}

View file

@ -67,10 +67,10 @@ struct pw_loop * pw_main_loop_get_loop(struct pw_main_loop *loop);
void pw_main_loop_destroy(struct pw_main_loop *loop);
/** Run a main loop. This blocks until \ref pw_main_loop_quit is called */
void pw_main_loop_run(struct pw_main_loop *loop);
int pw_main_loop_run(struct pw_main_loop *loop);
/** Quit a main loop */
void pw_main_loop_quit(struct pw_main_loop *loop);
int pw_main_loop_quit(struct pw_main_loop *loop);
#ifdef __cplusplus
}

View file

@ -209,26 +209,25 @@ pw_module_load(struct pw_core *core,
}
if (filename == NULL)
goto not_found;
goto error_not_found;
pw_log_debug("trying to load module: %s (%s)", name, filename);
hnd = dlopen(filename, RTLD_NOW | RTLD_LOCAL);
if (hnd == NULL)
goto open_failed;
goto error_open_failed;
if ((init_func = dlsym(hnd, PIPEWIRE_SYMBOL_MODULE_INIT)) == NULL)
goto no_pw_module;
impl = calloc(1, sizeof(struct impl));
if (impl == NULL)
goto no_mem;
goto error_no_pw_module;
if (properties == NULL)
properties = pw_properties_new(NULL, NULL);
if (properties == NULL)
goto no_mem;
goto error_no_mem;
impl = calloc(1, sizeof(struct impl));
if (impl == NULL)
goto error_no_mem;
impl->hnd = hnd;
@ -245,8 +244,6 @@ pw_module_load(struct pw_core *core,
this->info.args = args ? strdup(args) : NULL;
this->info.props = &this->properties->dict;
spa_list_append(&core->module_list, &this->link);
this->global = pw_global_new(core,
PW_TYPE_INTERFACE_Module,
PW_VERSION_MODULE_PROXY,
@ -257,13 +254,14 @@ pw_module_load(struct pw_core *core,
this);
if (this->global == NULL)
goto no_global;
goto error_no_global;
spa_list_append(&core->module_list, &this->link);
pw_global_add_listener(this->global, &this->global_listener, &global_events, this);
this->info.id = this->global->id;
if ((res = init_func(this, args)) < 0)
goto init_failed;
goto error_init_failed;
pw_global_register(this->global, owner, parent);
@ -271,26 +269,40 @@ pw_module_load(struct pw_core *core,
return this;
not_found:
error_not_found:
res = -ENOENT;
pw_log_error("No module \"%s\" was found", name);
return NULL;
open_failed:
goto error_cleanup;
error_open_failed:
res = -ENOENT;
pw_log_error("Failed to open module: \"%s\" %s", filename, dlerror());
free(filename);
return NULL;
no_mem:
no_pw_module:
goto error_free_filename;
error_no_pw_module:
res = -ENOSYS;
pw_log_error("\"%s\": is not a pipewire module", filename);
dlclose(hnd);
free(filename);
return NULL;
no_global:
pw_log_error("\"%s\": failed to create global", filename);
pw_module_destroy(this);
return NULL;
init_failed:
goto error_close;
error_no_mem:
res = -errno;
pw_log_error("can't allocate module: %m");
goto error_close;
error_no_global:
res = -errno;
pw_log_error("\"%s\": failed to create global: %m", filename);
goto error_free_module;
error_init_failed:
pw_log_error("\"%s\": failed to initialize: %s", filename, spa_strerror(res));
goto error_free_module;
error_free_module:
pw_module_destroy(this);
error_close:
dlclose(hnd);
error_free_filename:
free(filename);
error_cleanup:
if (properties)
pw_properties_free(properties);
errno = -res;
return NULL;
}
@ -306,9 +318,8 @@ void pw_module_destroy(struct pw_module *module)
pw_log_debug("module %p: destroy", module);
pw_module_emit_destroy(module);
spa_list_remove(&module->link);
if (module->global) {
spa_list_remove(&module->link);
spa_hook_remove(&module->global_listener);
pw_global_destroy(module->global);
}

View file

@ -458,6 +458,7 @@ global_bind(void *_data, struct pw_client *client, uint32_t permissions,
this->info.change_mask = PW_NODE_CHANGE_MASK_ALL;
pw_node_resource_info(resource, &this->info);
this->info.change_mask = 0;
return 0;
error_resource:
@ -491,7 +492,7 @@ int pw_node_register(struct pw_node *this,
pw_log_debug("node %p: register", this);
if (this->registered)
return -EEXIST;
goto error_existed;
if (properties == NULL)
properties = pw_properties_new(NULL, NULL);
@ -506,9 +507,6 @@ int pw_node_register(struct pw_node *this,
if ((str = pw_properties_get(this->properties, PW_KEY_NODE_SESSION)) != NULL)
pw_properties_set(properties, PW_KEY_NODE_SESSION, str);
spa_list_append(&core->node_list, &this->link);
this->registered = true;
this->global = pw_global_new(core,
PW_TYPE_INTERFACE_Node,
PW_VERSION_NODE_PROXY,
@ -518,6 +516,9 @@ int pw_node_register(struct pw_node *this,
if (this->global == NULL)
return -errno;
spa_list_append(&core->node_list, &this->link);
this->registered = true;
this->info.id = this->global->id;
this->rt.activation->position.clock.id = this->info.id;
pw_properties_setf(this->properties, PW_KEY_NODE_ID, "%d", this->info.id);
@ -535,6 +536,11 @@ int pw_node_register(struct pw_node *this,
pw_properties_copy(port->properties));
return 0;
error_existed:
if (properties)
pw_properties_free(properties);
return -EEXIST;
}
SPA_EXPORT

View file

@ -356,7 +356,7 @@ struct pw_port *pw_port_new(enum pw_direction direction,
if (properties == NULL) {
res = -errno;
goto no_mem;
goto error_no_mem;
}
if (SPA_FLAG_CHECK(info->flags, SPA_PORT_FLAG_PHYSICAL))
@ -408,7 +408,7 @@ struct pw_port *pw_port_new(enum pw_direction direction,
return this;
no_mem:
error_no_mem:
pw_log_warn("port %p: new failed", impl);
free(impl);
errno = -res;

View file

@ -163,8 +163,10 @@ struct pw_remote *pw_remote_new(struct pw_core *core,
int res;
impl = calloc(1, sizeof(struct remote) + user_data_size);
if (impl == NULL)
return NULL;
if (impl == NULL) {
res = -errno;
goto exit_cleanup;
}
this = &impl->this;
pw_log_debug("remote %p: new", impl);
@ -177,7 +179,7 @@ struct pw_remote *pw_remote_new(struct pw_core *core,
if (properties == NULL)
properties = pw_properties_new(NULL, NULL);
if (properties == NULL)
goto no_mem;
goto error_properties;
pw_fill_remote_properties(core, properties);
this->properties = properties;
@ -193,19 +195,23 @@ struct pw_remote *pw_remote_new(struct pw_core *core,
if ((protocol_name = pw_properties_get(properties, PW_KEY_PROTOCOL)) == NULL) {
if (pw_module_load(core, "libpipewire-module-protocol-native",
NULL, NULL, NULL, NULL) == NULL)
goto no_protocol;
NULL, NULL, NULL, NULL) == NULL) {
res = -errno;
goto error_protocol;
}
protocol_name = PW_TYPE_INFO_PROTOCOL_Native;
}
protocol = pw_core_find_protocol(core, protocol_name);
if (protocol == NULL)
goto no_protocol;
if (protocol == NULL) {
res = -ENOTSUP;
goto error_protocol;
}
this->conn = pw_protocol_new_client(protocol, this, properties);
if (this->conn == NULL)
goto no_connection;
goto error_connection;
pw_module_load(core, "libpipewire-module-rtkit", NULL, NULL, NULL, NULL);
pw_module_load(core, "libpipewire-module-client-node", NULL, NULL, NULL, NULL);
@ -214,23 +220,23 @@ struct pw_remote *pw_remote_new(struct pw_core *core,
return this;
no_mem:
error_properties:
res = -errno;
pw_log_error("no memory");
goto exit;
no_protocol:
res = -errno;
pw_log_error("can't load native protocol: %m");
goto exit_free_props;
no_connection:
pw_log_error("can't create properties: %m");
goto exit_free;
error_protocol:
pw_log_error("can't load native protocol: %s", spa_strerror(res));
goto exit_free;
error_connection:
res = -errno;
pw_log_error("can't create new native protocol connection: %m");
goto exit_free_props;
goto exit_free;
exit_free_props:
pw_properties_free(properties);
exit:
exit_free:
free(impl);
exit_cleanup:
if (properties)
pw_properties_free(properties);
errno = -res;
return NULL;
}
@ -462,33 +468,32 @@ struct pw_proxy *pw_remote_export(struct pw_remote *remote,
if (remote->core_proxy == NULL) {
res = -ENETDOWN;
goto no_core_proxy;
goto error_core_proxy;
}
t = pw_core_find_export_type(remote->core, type);
if (t == NULL) {
res = -EPROTO;
goto no_export_type;
goto error_export_type;
}
proxy = t->func(remote, type, props, object, user_data_size);
if (proxy == NULL) {
res = -errno;
goto proxy_failed;
goto error_proxy_failed;
}
return proxy;
no_core_proxy:
error_core_proxy:
pw_log_error("no core proxy: %s", spa_strerror(res));
goto out;
no_export_type:
goto exit;
error_export_type:
pw_log_error("can't export type %d: %s", type, spa_strerror(res));
goto out;
proxy_failed:
goto exit;
error_proxy_failed:
pw_log_error("failed to create proxy: %s", spa_strerror(res));
goto out;
out:
goto exit;
exit:
errno = -res;
return NULL;
}

View file

@ -1055,8 +1055,10 @@ struct pw_stream * pw_stream_new(struct pw_remote *remote, const char *name,
int res;
impl = calloc(1, sizeof(struct stream));
if (impl == NULL)
return NULL;
if (impl == NULL) {
res = -errno;
goto error_cleanup;
}
this = &impl->this;
pw_log_debug("stream %p: new \"%s\"", impl, name);
@ -1067,8 +1069,8 @@ struct pw_stream * pw_stream_new(struct pw_remote *remote, const char *name,
pw_properties_set(props, PW_KEY_MEDIA_NAME, name);
}
if (props == NULL) {
res = errno;
goto no_mem;
res = -errno;
goto error_properties;
}
if (pw_properties_get(props, PW_KEY_NODE_NAME) == NULL) {
@ -1109,8 +1111,11 @@ struct pw_stream * pw_stream_new(struct pw_remote *remote, const char *name,
return this;
no_mem:
error_properties:
free(impl);
error_cleanup:
if (props)
pw_properties_free(props);
errno = -res;
return NULL;
}
@ -1135,7 +1140,7 @@ pw_stream_new_simple(struct pw_loop *loop,
stream = pw_stream_new(remote, name, props);
if (stream == NULL) {
res = -errno;
goto cleanup;
goto error_cleanup;
}
impl = SPA_CONTAINER_OF(stream, struct stream, this);
@ -1148,7 +1153,7 @@ pw_stream_new_simple(struct pw_loop *loop,
return stream;
cleanup:
error_cleanup:
pw_core_destroy(core);
errno = -res;
return NULL;

View file

@ -113,7 +113,7 @@ struct pw_thread_loop *pw_thread_loop_new(struct pw_loop *loop,
this = calloc(1, sizeof(struct pw_thread_loop));
if (this == NULL)
goto no_mem;
return NULL;
pw_log_debug("thread-loop %p: new", this);
@ -151,7 +151,6 @@ struct pw_thread_loop *pw_thread_loop_new(struct pw_loop *loop,
free(this->name);
free(this);
errno = -res;
no_mem:
return NULL;
}
@ -203,7 +202,8 @@ static void *do_loop(void *user_data)
while (this->running) {
if ((res = pw_loop_iterate(this->loop, -1)) < 0)
pw_log_warn("thread-loop %p: iterate error %d", this, res);
pw_log_warn("thread-loop %p: iterate error %d (%s)",
this, res, spa_strerror(res));
}
pw_log_debug("thread-loop %p: leave thread", this);
pw_loop_leave(this->loop);

View file

@ -107,16 +107,17 @@ struct pw_work_queue *pw_work_queue_new(struct pw_loop *loop)
this->loop = loop;
this->wakeup = pw_loop_add_event(this->loop, process_work_queue, this);
if (this->wakeup == NULL)
goto out_free;
if (this->wakeup == NULL) {
res = -errno;
goto error_free;
}
spa_list_init(&this->work_list);
spa_list_init(&this->free_list);
return this;
out_free:
res = -errno;
error_free:
free(this);
errno = -res;
return NULL;