Changeset 035d7d8 in mainline for uspace/srv/taskman/task.h

Timestamp:

2019-08-07T05:49:44Z (6 years ago)

Author:

Matthieu Riolo <matthieu.riolo@…>

Children:

2aaccd3

Parents:

456f7ae

git-author:

Michal Koutný <xm.koutny+hos@…> (2015-10-21 22:44:26)

git-committer:

Matthieu Riolo <matthieu.riolo@…> (2019-08-07 05:49:44)

Message:

taskman: Implement task event notifications

File:

• uspace/srv/taskman/task.h (modified) (1 diff)

uspace/srv/taskman/task.h

@@ -35 +35 @@
 #define TASKMAN_TASK_H__
 
+#include <abi/proc/task.h>
+#include <adt/hash_table.h>
+#include <adt/list.h>
+#include <fibril_synch.h>
 #include <ipc/common.h>
-#include <abi/proc/task.h>
+
+/** What type of retval from the task we have */
+typedef enum {
+        RVAL_UNSET,     /**< unset */
+        RVAL_SET,       /**< retval set, e.g. by server */
+        RVAL_SET_EXIT   /**< retval set, wait for expected task exit */
+} retval_t;
+
+/** Holds necessary information of each (registered) task. */
+typedef struct {
+        ht_link_t link;
+        
+        task_id_t id;          /**< Task id. */
+        task_exit_t exit;      /**< Task's uspace exit status. */
+        bool failed;           /**< Task failed (task can exit unexpectedly
+                                    even w/out failure). */
+        retval_t retval_type;  /**< Task returned a value. */
+        int retval;            /**< The return value. */
+
+        link_t listeners;      /**< Link to listeners list. */
+        async_sess_t *sess;    /**< Session for notifications to task. */
+} task_t;
+
+extern hash_table_t task_hash_table;
+extern fibril_rwlock_t task_hash_table_lock;
 
 extern int task_init(void);
-extern void process_pending_wait(void);
 
-extern void wait_for_task(task_id_t, int, ipc_callid_t, ipc_call_t *);
-extern int task_set_retval(ipc_call_t *);
+extern task_t *task_get_by_id(task_id_t);
 
 extern int task_intro(ipc_call_t *, bool);
-extern void task_terminated(task_id_t, exit_reason_t);
-extern void task_failed(task_id_t);
 
 #endif