Changeset b22b0a94 in mainline for uspace/lib/c

Timestamp:

2019-08-07T05:39:54Z (6 years ago)

Author:

Matthieu Riolo <matthieu.riolo@…>

Children:

b8341bc

Parents:

5cd2290

git-author:

Michal Koutný <xm.koutny+hos@…> (2015-10-19 21:34:52)

git-committer:

Matthieu Riolo <matthieu.riolo@…> (2019-08-07 05:39:54)

Message:

task: Inoperative API for passing kernel task events to uspace

• Based on user-provided callback function.
• Includes slight refactoring of tester application code.

Conflicts:

uspace/lib/c/include/task.h

Location:

uspace/lib/c

Files:

• generic/task.c (modified) (3 diffs)
• include/task.h (modified) (2 diffs)
• include/types/task.h (modified) (1 diff)

uspace/lib/c/generic/task.c

@@ -3 +3 @@
  * Copyright (c) 2008 Jiri Svoboda
  * Copyright (c) 2014 Martin Sucha
+ * Copyright (c) 2015 Michal Koutny
  * All rights reserved.
  *
@@ -53 +54 @@
 
 static async_sess_t *session_taskman = NULL;
+static task_event_handler_t task_event_handler = NULL;
 
 task_id_t task_get_id(void)
@@ -470 +472 @@
 }
 
+void task_set_event_handler(task_event_handler_t handler)
+{
+        task_event_handler = handler;
+        // TODO implement logic for calling the handler
+}
 
 void __task_init(async_sess_t *sess)

uspace/lib/c/include/task.h

@@ -46 +46 @@
 #define TASK_WAIT_BOTH   0x4
 
-typedef struct {
-        int flags;
-        ipc_call_t result;
-        aid_t aid;
-        task_id_t tid;
-} task_wait_t;
-
 static inline void task_wait_set(task_wait_t *wait, int flags)
 {
@@ -76 +69 @@
     __attribute__((sentinel));
 
-// if there is possibility for further wait, modify task_wait
 extern errno_t task_wait(task_wait_t *, task_exit_t *, int *);
 extern errno_t task_wait_task_id(task_id_t, int, task_exit_t *, int *);
-// similar to listen and socket duplication
-extern errno_t task_wait_any(task_wait_t *, task_id_t *, task_exit_t *, int *,
-    task_wait_t *);
-
-//extern int task_wait_any(int, task_exit_t *, int *);
-// alternative
-// task_wait_t is output param, actual result is obtained via task_wait call
-//extern int task_wait_any(task_wait_t *, int);
 
 extern void task_cancel_wait(task_wait_t *);
 
 extern errno_t task_retval(int);
+extern void task_set_event_handler(task_event_handler_t);
 
 #endif

uspace/lib/c/include/types/task.h

@@ -42 +42 @@
 } task_exit_t;
 
+typedef struct {
+        int flags;
+        ipc_call_t result;
+        aid_t aid;
+        task_id_t tid;
+} task_wait_t;
+
+typedef void (* task_event_handler_t)(task_id_t, int, task_exit_t, int);
+
 #endif