Changeset 035d7d8 in mainline for uspace/srv/taskman/main.c

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/main.c (modified) (4 diffs)

uspace/srv/taskman/main.c

@@ -39 +39 @@
 #include <stdlib.h>
 
+#include "event.h"
 #include "task.h"
 #include "taskman.h"
@@ -63 +64 @@
         
         if (rc != EOK) {
+                printf(NAME ": %s -> %i\n", __func__, rc);
                 async_answer_0(iid, rc);
                 return;
@@ -125 +127 @@
 {
         printf("%s:%i from %llu\n", __func__, __LINE__, icall->in_task_id);
-        async_answer_0(iid, ENOTSUP); // TODO interrupt here
+        /* Atomic -- will be used for notifications only */
+        async_sess_t *sess = async_callback_receive(EXCHANGE_ATOMIC);
+        if (sess == NULL) {
+                async_answer_0(iid, ENOMEM);
+                return;
+        }
+
+        int rc = event_register_listener(icall->in_task_id, sess);
+        async_answer_0(iid, rc);
 }
 
@@ -268 +278 @@
                 return rc;
         }
+        rc = event_init();
+        if (rc != EOK) {
+                return rc;
+        }
 
         rc = async_event_subscribe(EVENT_EXIT, task_exit_event, NULL);