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Use errno for result errors

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Make new enumeration for data transport status and use errno
style error numbers for errors.
This commit is contained in:
Wim Taymans 2017-11-13 09:41:41 +01:00
parent dda28b1589
commit 6fb0f580ea
86 changed files with 2019 additions and 1988 deletions
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19
spa/include/spa/monitor/monitor.h
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@ -141,14 +141,29 @@ struct spa_monitor {
* Set callbacks to receive asynchronous notifications from
* the monitor.
*
* Returns: #SPA_RESULT_OK on success
* Returns: 0 on success
* -errno on error
*/
int (*set_callbacks) (struct spa_monitor *monitor,
const struct spa_monitor_callbacks *callbacks,
void *data);
/**
* spa_monitor::enum_items:
* @monitor: a #spa_monitor
* @item: result item
* @index: index of the item
*
* Get the next item of the monitor. \a index should contain 0 to get the
* first item and is updated with an opaque value that should be passed
* unmodified to get the next items.
*
* Returns: 1 when an item is available
* 0 when no more items are available
* -errno on error
*/
int (*enum_items) (struct spa_monitor *monitor,
struct spa_monitor_item **item, uint32_t index);
struct spa_monitor_item **item, uint32_t *index);
};