X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=filter.h;h=b6901813a5defcd0a8dcee27c3dd97b91034a0d7;hp=b877b649fd877e6efe28f89193d995ec22c40ea3;hb=74a835c7c3b6f4f71fc1f4739f26757dffdf012a;hpb=a284d2903ef9a14f944eae3c14088a42701ca2cf

diff --git a/filter.h b/filter.h
index b877b649..b6901813 100644
--- a/filter.h
+++ b/filter.h
@@ -32,6 +32,9 @@ struct filter_node {
 	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 */
@@ -95,18 +98,10 @@ struct filter_chain {
 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.
@@ -199,6 +194,10 @@ struct filter {
 
 	/** 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);
@@ -206,6 +205,8 @@ void filter_init(void);
 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);
+int prepare_filter_node(struct filter_node *fn);
+void generic_filter_pre_select(struct sched *s, struct task *t);
 
 static inline void write_int16_host_endian(char *buf, int val)
 {