/**
* Create a new session.
- * Currently, there can be only one session at a time within the same process.
+ *
+ * @param new_session This will contain a pointer to the newly created
+ * session if the return value is SR_OK, otherwise the value
+ * is undefined and should not be used. Must not be NULL.
*
* @retval SR_OK Success.
* @retval SR_ERR_BUG A session exists already.
* Destroy a session.
* This frees up all memory used by the session.
*
+ * @param session The session to destroy. Must not be NULL.
+ *
* @retval SR_OK Success.
* @retval SR_ERR_ARG Invalid session passed.
*
* The session itself (i.e., the struct sr_session) is not free'd and still
* exists after this function returns.
*
+ * @param session The session to use. Must not be NULL.
+ *
* @retval SR_OK Success.
* @retval SR_ERR_BUG Invalid session passed.
*
/**
* Add a device instance to a session.
*
+ * @param session The session to add to. Must not be NULL.
* @param sdi The device instance to add to a session. Must not
* be NULL. Also, sdi->driver and sdi->driver->dev_open must
* not be NULL.
/**
* List all device instances attached to a session.
*
+ * @param session The session to use. Must not be NULL.
* @param devlist A pointer where the device instance list will be
* stored on return. If no devices are in the session,
* this will be NULL. Each element in the list points
/**
* Remove all datafeed callbacks in a session.
*
+ * @param session The session to use. Must not be NULL.
+ *
* @retval SR_OK Success.
* @retval SR_ERR_ARG Invalid session passed.
*
/**
* Add a datafeed callback to a session.
*
+ * @param session The session to use. Must not be NULL.
* @param cb Function to call when a chunk of data is received.
* Must not be NULL.
* @param cb_data Opaque pointer passed in by the caller.
* but driven by another scheduler, this can be used to poll the devices
* from within that scheduler.
*
+ * @param session The session to use. Must not be NULL.
* @param block If TRUE, this call will wait for any of the session's
* sources to fire an event on the file descriptors, or
* any of their timeouts to activate. In other words, this
/**
* Start a session.
*
+ * @param session The session to use. Must not be NULL.
+ *
* @retval SR_OK Success.
* @retval SR_ERR_ARG Invalid session passed.
*
/**
* Run a session.
*
+ * @param session The session to use. Must not be NULL.
+ *
* @retval SR_OK Success.
* @retval SR_ERR_ARG Invalid session passed.
*
* This must be called from within the session thread, to prevent freeing
* resources that the session thread will try to use.
*
+ * @param session The session to use. Must not be NULL.
+ *
* @retval SR_OK Success.
* @retval SR_ERR_ARG Invalid session passed.
*
* to wait for the session thread to return before assuming that the session is
* completely decommissioned.
*
+ * @param session The session to use. Must not be NULL.
+ *
* @retval SR_OK Success.
* @retval SR_ERR_ARG Invalid session passed.
*
/**
* Add an event source for a file descriptor.
*
+ * @param session The session to use. Must not be NULL.
* @param pollfd The GPollFD.
* @param[in] timeout Max time to wait before the callback is called,
* ignored if 0.
/**
* Add an event source for a file descriptor.
*
+ * @param session The session to use. Must not be NULL.
* @param fd The file descriptor.
* @param events Events to check for.
* @param timeout Max time to wait before the callback is called, ignored if 0.
/**
* Add an event source for a GPollFD.
*
+ * @param session The session to use. Must not be NULL.
* @param pollfd The GPollFD.
* @param timeout Max time to wait before the callback is called, ignored if 0.
* @param cb Callback function to add. Must not be NULL.
/**
* Add an event source for a GIOChannel.
*
+ * @param session The session to use. Must not be NULL.
* @param channel The GIOChannel.
* @param events Events to poll on.
* @param timeout Max time to wait before the callback is called, ignored if 0.
*
* @todo Add more error checks and logging.
*
+ * @param session The session to use. Must not be NULL.
* @param poll_object The channel for which the source should be removed.
*
* @retval SR_OK Success
/**
* Remove the source belonging to the specified file descriptor.
*
+ * @param session The session to use. Must not be NULL.
* @param fd The file descriptor for which the source should be removed.
*
* @retval SR_OK Success
/**
* Remove the source belonging to the specified poll descriptor.
*
+ * @param session The session to use. Must not be NULL.
* @param pollfd The poll descriptor for which the source should be removed.
*
* @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or
/**
* Remove the source belonging to the specified channel.
*
+ * @param session The session to use. Must not be NULL.
* @param channel The channel for which the source should be removed.
*
* @retval SR_OK Success.
* Load the session from the specified filename.
*
* @param filename The name of the session file to load. Must not be NULL.
+ * @param session The session to load the file into. Must not be NULL.
*
* @return SR_OK upon success, SR_ERR_ARG upon invalid arguments,
* SR_ERR_MALLOC upon memory allocation errors, or SR_ERR upon
/**
* Save a session to the specified file.
*
+ * @param session The session to save to the specified file. Must not be NULL.
* @param filename The name of the filename to save the session as.
* Must not be NULL.
* @param sdi The device instance from which the data was captured.
/**
* Initialize a saved session file.
*
+ * @param session The session to use. Must not be NULL.
* @param filename The name of the filename to save the session as.
* Must not be NULL.
* @param samplerate The samplerate to store for this session.
* The session file must have been created with sr_session_save_init()
* or sr_session_save() beforehand.
*
+ * @param session The session to use. Must not be NULL.
* @param filename The name of the filename to append to. Must not be NULL.
* @param buf The data to be appended.
* @param unitsize The number of bytes per sample.