/**
* Run with the default priority (normal
- * P2P operations). Higher than BACKGROUND.
+ * P2P operations). Any task that is scheduled
+ * without an explicit priority being specified
+ * will run with this priority.
*/
GNUNET_SCHEDULER_PRIORITY_DEFAULT = 3,
* * @return reason(s) why the current task is run
*/
enum GNUNET_SCHEDULER_Reason
-GNUNET_SCHEDULER_get_reason ();
+GNUNET_SCHEDULER_get_reason (void);
/**
enum GNUNET_SCHEDULER_Reason reason);
+/**
+ * Continue the current execution with the given function. This is
+ * similar to the other "add" functions except that there is no delay
+ * and the reason code can be specified.
+ *
+ * @param task main function of the task
+ * @param task_cls closure for 'main'
+ * @param reason reason for task invocation
+ * @param priority priority to use for the task
+ */
+void
+GNUNET_SCHEDULER_add_continuation_with_priority (GNUNET_SCHEDULER_Task task, void *task_cls,
+ enum GNUNET_SCHEDULER_Reason reason,
+ enum GNUNET_SCHEDULER_Priority priority);
+
+
/**
* Schedule a new task to be run after the specified prerequisite task
- * has completed. It will be run with the priority of the calling
- * task.
+ * has completed. It will be run with DEFAULT priority.
*
* * @param prerequisite_task run this task after the task with the given
* task identifier completes (and any of our other
/**
* Schedule a new task to be run as soon as possible. The task
- * will be run with the priority of the calling task.
+ * will be run with the DEFAULT priority.
*
* * @param task main function of the task
* @param task_cls closure of task
/**
* Schedule a new task to be run with a specified delay. The task
* will be scheduled for execution once the delay has expired. It
- * will be run with the priority of the calling task.
+ * will be run with the DEFAULT priority.
*
* * @param delay when should this operation time out? Use
* GNUNET_TIME_UNIT_FOREVER_REL for "on shutdown"
GNUNET_SCHEDULER_Task task, void *task_cls);
+/**
+ * Schedule a new task to be run with a specified delay. The task
+ * will be scheduled for execution once the delay has expired.
+ *
+ * @param delay when should this operation time out? Use
+ * GNUNET_TIME_UNIT_FOREVER_REL for "on shutdown"
+ * @param priority priority to use for the task
+ * @param task main function of the task
+ * @param task_cls closure of task
+ * @return unique task identifier for the job
+ * only valid until "task" is started!
+ */
+GNUNET_SCHEDULER_TaskIdentifier
+GNUNET_SCHEDULER_add_delayed_with_priority (struct GNUNET_TIME_Relative delay,
+ enum GNUNET_SCHEDULER_Priority priority,
+ GNUNET_SCHEDULER_Task task, void *task_cls);
+
+
/**
* Schedule a new task to be run with a specified delay or when the
* specified file descriptor is ready for reading. The delay can be
* used as a timeout on the socket being ready. The task will be
* scheduled for execution once either the delay has expired or the
- * socket operation is ready. It will be run with the priority of
- * the calling task.
+ * socket operation is ready. It will be run with the DEFAULT priority.
*
* * @param delay when should this operation time out? Use
* GNUNET_TIME_UNIT_FOREVER_REL for "on shutdown"
* specified file descriptor is ready for writing. The delay can be
* used as a timeout on the socket being ready. The task will be
* scheduled for execution once either the delay has expired or the
- * socket operation is ready. It will be run with the priority of
- * the calling task.
+ * socket operation is ready. It will be run with the DEFAULT priority.
*
* * @param delay when should this operation time out? Use
* GNUNET_TIME_UNIT_FOREVER_REL for "on shutdown"
* specified file descriptor is ready for reading. The delay can be
* used as a timeout on the socket being ready. The task will be
* scheduled for execution once either the delay has expired or the
- * socket operation is ready. It will be run with the priority of
- * the calling task.
+ * socket operation is ready. It will be run with the DEFAULT priority.
*
* * @param delay when should this operation time out? Use
* GNUNET_TIME_UNIT_FOREVER_REL for "on shutdown"
* specified file descriptor is ready for writing. The delay can be
* used as a timeout on the socket being ready. The task will be
* scheduled for execution once either the delay has expired or the
- * socket operation is ready. It will be run with the priority of
- * the calling task.
+ * socket operation is ready. It will be run with the DEFAULT priority.
*
* * @param delay when should this operation time out? Use
* GNUNET_TIME_UNIT_FOREVER_REL for "on shutdown"
* @param task main function of the task
* @param task_cls closure for 'main'
* @param reason reason for task invocation
+ * @param priority priority to use for the task
*/
void
-GNUNET_SCHEDULER_add_continuation (GNUNET_SCHEDULER_Task task, void *task_cls,
- enum GNUNET_SCHEDULER_Reason reason)
+GNUNET_SCHEDULER_add_continuation_with_priority (GNUNET_SCHEDULER_Task task, void *task_cls,
+ enum GNUNET_SCHEDULER_Reason reason,
+ enum GNUNET_SCHEDULER_Priority priority)
{
struct Task *t;
t->start_time = GNUNET_TIME_absolute_get ();
#endif
t->reason = reason;
- t->priority = current_priority;
+ t->priority = priority;
t->lifeness = current_lifeness;
#if DEBUG_TASKS
LOG (GNUNET_ERROR_TYPE_DEBUG, "Adding continuation task: %llu / %p\n", t->id,
}
+/**
+ * Continue the current execution with the given function. This is
+ * similar to the other "add" functions except that there is no delay
+ * and the reason code can be specified.
+ *
+ * @param task main function of the task
+ * @param task_cls closure for 'main'
+ * @param reason reason for task invocation
+ */
+void
+GNUNET_SCHEDULER_add_continuation (GNUNET_SCHEDULER_Task task, void *task_cls,
+ enum GNUNET_SCHEDULER_Reason reason)
+{
+ GNUNET_SCHEDULER_add_continuation_with_priority (task, task_cls,
+ reason,
+ GNUNET_SCHEDULER_PRIORITY_DEFAULT);
+}
+
/**
* Schedule a new task to be run after the specified prerequisite task
- * has completed. It will be run with the priority of the calling
- * task.
+ * has completed. It will be run with the DEFAULT priority.
*
* @param prerequisite_task run this task after the task with the given
* task identifier completes (and any of our other
GNUNET_SCHEDULER_add_after (GNUNET_SCHEDULER_TaskIdentifier prerequisite_task,
GNUNET_SCHEDULER_Task task, void *task_cls)
{
- return GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_KEEP,
+ return GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
prerequisite_task, GNUNET_TIME_UNIT_ZERO,
NULL, NULL, task, task_cls);
}
/**
* Schedule a new task to be run with a specified delay. The task
- * will be scheduled for execution once the delay has expired. It
- * will be run with the priority of the calling task.
+ * will be scheduled for execution once the delay has expired.
*
* @param delay when should this operation time out? Use
* GNUNET_TIME_UNIT_FOREVER_REL for "on shutdown"
+ * @param priority priority to use for the task
* @param task main function of the task
* @param task_cls closure of task
* @return unique task identifier for the job
* only valid until "task" is started!
*/
GNUNET_SCHEDULER_TaskIdentifier
-GNUNET_SCHEDULER_add_delayed (struct GNUNET_TIME_Relative delay,
- GNUNET_SCHEDULER_Task task, void *task_cls)
+GNUNET_SCHEDULER_add_delayed_with_priority (struct GNUNET_TIME_Relative delay,
+ enum GNUNET_SCHEDULER_Priority priority,
+ GNUNET_SCHEDULER_Task task, void *task_cls)
{
-#if 1
- /* new, optimized version */
struct Task *t;
struct Task *pos;
struct Task *prev;
t->start_time = GNUNET_TIME_absolute_get ();
#endif
t->timeout = GNUNET_TIME_relative_to_absolute (delay);
- t->priority = current_priority;
+ t->priority = priority;
t->lifeness = current_lifeness;
/* try tail first (optimization in case we are
* appending to a long list of tasks with timeouts) */
t->backtrace_strings[i]);
#endif
return t->id;
-
-#else
- /* unoptimized version */
- return GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_KEEP,
- GNUNET_SCHEDULER_NO_TASK, delay, NULL,
- NULL, task, task_cls);
-#endif
}
+/**
+ * Schedule a new task to be run with a specified delay. The task
+ * will be scheduled for execution once the delay has expired. It
+ * will be run with the DEFAULT priority.
+ *
+ * @param delay when should this operation time out? Use
+ * GNUNET_TIME_UNIT_FOREVER_REL for "on shutdown"
+ * @param task main function of the task
+ * @param task_cls closure of task
+ * @return unique task identifier for the job
+ * only valid until "task" is started!
+ */
+GNUNET_SCHEDULER_TaskIdentifier
+GNUNET_SCHEDULER_add_delayed (struct GNUNET_TIME_Relative delay,
+ GNUNET_SCHEDULER_Task task, void *task_cls)
+{
+ return GNUNET_SCHEDULER_add_delayed_with_priority (delay,
+ GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ task, task_cls);
+}
+
/**
* Schedule a new task to be run as soon as possible. The task
- * will be run with the priority of the calling task.
+ * will be run with the DEFAULT priority.
*
* @param task main function of the task
* @param task_cls closure of task
GNUNET_SCHEDULER_TaskIdentifier
GNUNET_SCHEDULER_add_now (GNUNET_SCHEDULER_Task task, void *task_cls)
{
- return GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_KEEP,
- GNUNET_SCHEDULER_NO_TASK,
- GNUNET_TIME_UNIT_ZERO, NULL, NULL, task,
- task_cls);
+ return GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_ZERO, task, task_cls);
}
GNUNET_SCHEDULER_TaskIdentifier ret;
ret =
- GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_KEEP,
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
GNUNET_SCHEDULER_NO_TASK,
GNUNET_TIME_UNIT_ZERO, NULL, NULL, task,
task_cls);
}
-
-
/**
* Schedule a new task to be run with a specified delay or when any of
* the specified file descriptor sets is ready. The delay can be used
*
* @param delay how long should we wait? Use GNUNET_TIME_UNIT_FOREVER_REL for "forever",
* which means that the task will only be run after we receive SIGTERM
+ * @param priority priority to use
* @param rfd file descriptor we want to read (can be -1)
* @param wfd file descriptors we want to write (can be -1)
* @param task main function of the task
*/
#ifndef MINGW
static GNUNET_SCHEDULER_TaskIdentifier
-add_without_sets (struct GNUNET_TIME_Relative delay, int rfd, int wfd,
+add_without_sets (struct GNUNET_TIME_Relative delay,
+ enum GNUNET_SCHEDULER_Priority priority,
+ int rfd, int wfd,
GNUNET_SCHEDULER_Task task, void *task_cls)
{
struct Task *t;
#endif
t->prereq_id = GNUNET_SCHEDULER_NO_TASK;
t->timeout = GNUNET_TIME_relative_to_absolute (delay);
- t->priority = check_priority (current_priority);
+ t->priority = check_priority ((priority == GNUNET_SCHEDULER_PRIORITY_KEEP) ? current_priority : priority);
t->lifeness = current_lifeness;
t->next = pending;
pending = t;
* specified file descriptor is ready for reading. The delay can be
* used as a timeout on the socket being ready. The task will be
* scheduled for execution once either the delay has expired or the
- * socket operation is ready. It will be run with the priority of
- * the calling task.
+ * socket operation is ready. It will be run with the DEFAULT priority.
*
* @param delay when should this operation time out? Use
* GNUNET_TIME_UNIT_FOREVER_REL for "on shutdown"
rs = GNUNET_NETWORK_fdset_create ();
GNUNET_NETWORK_fdset_set (rs, rfd);
ret =
- GNUNET_SCHEDULER_add_select (check_priority (current_priority),
- GNUNET_SCHEDULER_NO_TASK, delay, rs, NULL,
- task, task_cls);
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_SCHEDULER_NO_TASK, delay, rs, NULL,
+ task, task_cls);
GNUNET_NETWORK_fdset_destroy (rs);
return ret;
#else
- return add_without_sets (delay, GNUNET_NETWORK_get_fd (rfd), -1, task,
+ return add_without_sets (delay,
+ GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_NETWORK_get_fd (rfd), -1, task,
task_cls);
#endif
}
ws = GNUNET_NETWORK_fdset_create ();
GNUNET_NETWORK_fdset_set (ws, wfd);
ret =
- GNUNET_SCHEDULER_add_select (check_priority (current_priority),
- GNUNET_SCHEDULER_NO_TASK, delay, NULL, ws,
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_SCHEDULER_NO_TASK, delay, NULL, ws,
task, task_cls);
GNUNET_NETWORK_fdset_destroy (ws);
return ret;
#else
GNUNET_assert (GNUNET_NETWORK_get_fd (wfd) >= 0);
- return add_without_sets (delay, -1, GNUNET_NETWORK_get_fd (wfd), task,
+ return add_without_sets (delay,
+ GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ -1, GNUNET_NETWORK_get_fd (wfd), task,
task_cls);
#endif
}
* specified file descriptor is ready for reading. The delay can be
* used as a timeout on the socket being ready. The task will be
* scheduled for execution once either the delay has expired or the
- * socket operation is ready. It will be run with the priority of
- * the calling task.
+ * socket operation is ready. It will be run with the DEFAULT priority.
*
* @param delay when should this operation time out? Use
* GNUNET_TIME_UNIT_FOREVER_REL for "on shutdown"
rs = GNUNET_NETWORK_fdset_create ();
GNUNET_NETWORK_fdset_handle_set (rs, rfd);
ret =
- GNUNET_SCHEDULER_add_select (check_priority (current_priority),
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
GNUNET_SCHEDULER_NO_TASK, delay, rs, NULL,
task, task_cls);
GNUNET_NETWORK_fdset_destroy (rs);
int fd;
GNUNET_DISK_internal_file_handle_ (rfd, &fd, sizeof (int));
- return add_without_sets (delay, fd, -1, task, task_cls);
+ return add_without_sets (delay,
+ GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ fd, -1, task, task_cls);
#endif
}
* specified file descriptor is ready for writing. The delay can be
* used as a timeout on the socket being ready. The task will be
* scheduled for execution once either the delay has expired or the
- * socket operation is ready. It will be run with the priority of
- * the calling task.
+ * socket operation is ready. It will be run with the DEFAULT priority.
*
* @param delay when should this operation time out? Use
* GNUNET_TIME_UNIT_FOREVER_REL for "on shutdown"
ws = GNUNET_NETWORK_fdset_create ();
GNUNET_NETWORK_fdset_handle_set (ws, wfd);
ret =
- GNUNET_SCHEDULER_add_select (check_priority (current_priority),
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
GNUNET_SCHEDULER_NO_TASK, delay, NULL, ws,
task, task_cls);
GNUNET_NETWORK_fdset_destroy (ws);
GNUNET_DISK_internal_file_handle_ (wfd, &fd, sizeof (int));
GNUNET_assert (fd >= 0);
- return add_without_sets (delay, -1, fd, task, task_cls);
+ return add_without_sets (delay,
+ GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ -1, fd, task, task_cls);
#endif
}