struct list_head callbacks;
/** A pointer to the configuration of this instance. */
void *conf;
+ struct btr_node *btrn;
+ struct task task;
+ size_t min_iqs;
};
/** Describes one running instance of a chain of filters */
struct filter_callback {
/** All callbacks are organized in a doubly linked list. */
struct list_head node;
- /**
- * Private data.
- *
- * May be initialized by the application before registering the callback. This
- * pointer is not used by the filter subsystem. It is provided for use within
- * the input/output/close callback functions.
- */
- void *data;
/**
* The input callback.
*
- * In not \p NULL, the filter subsystem calls this function whenever the filter
+ * If not \p NULL, the filter subsystem calls this function whenever the filter
* consumed some or all of its input buffer. A pointer to the buffer of consumed
* data, its length and a pointer to the own \a filter_callback structure are passed
* to \a input_cb. The input callback is expected to return a negative value on errors.
* argv. On failure, a negative paraslash error code must be returned.
*/
int (*parse_config)(int argc, char **argv, void **config);
+ void (*free_config)(void *conf);
/** The help texts for this filter. */
struct ggo_help help;
+
+ void (*pre_select)(struct sched *s, struct task *t);
+ void (*post_select)(struct sched *s, struct task *t);
+ btr_command_handler execute;
};
void close_filters(struct filter_chain *fc);
int check_filter_arg(char *filter_arg, void **conf);
void filter_post_select(__a_unused struct sched *s, struct task *t);
void print_filter_helps(int detailed);
+void generic_filter_pre_select(struct sched *s, struct task *t);
static inline void write_int16_host_endian(char *buf, int val)
{