/**
* paraslash's scheduler
*
- * desinged with KISS in mind. It manages two lists of tasks. The pre_select
+ * Designed with KISS in mind. It manages two lists of tasks. The pre_select
* list contains pointers to functions that are called before calling select()
* from the main loop. Similarly, \a post_select_list is a list of function
* pointers each of which is called after the select call. Tasks add hooks to
fd_set wfds;
/** highest numbered file descriptor in any of the above fd sets */
int max_fileno;
- /** the return value of the previous select call */
- int select_ret;
};
/**
*
* If one of these functions return a negative value via \a t->ret the
* (optional) event_handler gets called (it may also be called in case another
- * event happend). In many cases the only possible event is an error or an eof
+ * event happened). In many cases the only possible event is an error or an eof
* condition and the event handler simply unregisters the task from the
* scheduler.
*
* \sa struct sched
*/
struct task {
- /** pointer to the struct this task is embedded in */
- void *private_data;
/**
* the pre select hook of \a t
*
* Its purpose is to add file descriptors to the fd sets of the
- * scheduler and to decrease the select timeout if neccessary.
+ * scheduler and to decrease the select timeout if necessary.
*/
void (*pre_select)(struct sched *s, struct task *t);
/**
* evaluate and act upon the results of the previous select call.
*/
void (*post_select)(struct sched *s, struct task *t);
- /** gets called if pre_select or post_select returned an error */
- void (*event_handler)(struct task *t);
- /** pre_select() and post_select store their return value here */
- int ret;
+ /** Whether this task is in error state. */
+ int error;
/** position of the task in the pre_select list of the scheduler */
struct list_head pre_select_node;
/** position of the task in the post_select list of the scheduler */
void register_task(struct task *t);
void unregister_task(struct task *t);
-int sched(struct sched *s);
+int schedule(struct sched *s);
char *get_task_list(void);
int kill_task(char *id);