Changeset 456f7ae in mainline

Timestamp:

2019-08-07T05:48:26Z (5 years ago)

Author:

Matthieu Riolo <matthieu.riolo@…>

Children:

035d7d8

Parents:

c675ab1

git-author:

Michal Koutný <xm.koutny+hos@…> (2015-10-20 23:25:18)

git-committer:

Matthieu Riolo <matthieu.riolo@…> (2019-08-07 05:48:26)

Message:

libc: Separated task event functions

Conflicts:

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

Location:

uspace/lib/c

Files:

• Makefile (modified) (1 diff)
• generic/private/task.h (modified) (1 diff)
• generic/task.c (modified) (4 diffs)
• generic/task_event.c (added)
• include/task.h (modified) (1 diff)

uspace/lib/c/Makefile

@@ -82 +82 @@
         generic/smc.c \
         generic/task.c \
+        generic/task_event.c \
         generic/imath.c \
         generic/inet/addr.c \

uspace/lib/c/generic/private/task.h

@@ -42 +42 @@
 int task_retval_internal(int, bool);
 
+async_exch_t *taskman_exchange_begin(void);
+
+void taskman_exchange_end(async_exch_t *);
+
 #endif
 

uspace/lib/c/generic/task.c

@@ -54 +54 @@
 
 static async_sess_t *session_taskman = NULL;
-static task_event_handler_t task_event_handler = NULL;
 
 task_id_t task_get_id(void)
@@ -70 +69 @@
 }
 
-static async_exch_t *taskman_exchange_begin(void)
+async_exch_t *taskman_exchange_begin(void)
 {
         /* Lazy connection */
@@ -89 +88 @@
 }
 
-static void taskman_exchange_end(async_exch_t *exch)
+void taskman_exchange_end(async_exch_t *exch)
 {
         async_exchange_end(exch);
@@ -472 +471 @@
 }
 
-// TODO extract to separate module
-static void taskman_task_event(ipc_callid_t iid, ipc_call_t *icall)
-{
-        task_id_t tid = (task_id_t)
-            MERGE_LOUP32(IPC_GET_ARG1(*icall), IPC_GET_ARG2(*icall));
-        int flags = IPC_GET_ARG3(*icall);
-        task_exit_t texit = IPC_GET_ARG4(*icall);
-        int retval = IPC_GET_ARG5(*icall);
-
-        task_event_handler(tid, flags, texit, retval);
-
-        async_answer_0(iid, EOK);
-}
-
-static void taskman_event_conn(ipc_callid_t iid, ipc_call_t *icall, void *arg)
-{
-        /* Accept connection */
-        async_answer_0(iid, EOK);
-
-        while (true) {
-                ipc_call_t call;
-                ipc_callid_t callid = async_get_call(&call);
-
-                if (!IPC_GET_IMETHOD(call)) {
-                        /* Hangup, TODO explain or handle differntly */
-                        break;
-                }
-
-                switch (IPC_GET_IMETHOD(call)) {
-                case TASKMAN_EV_TASK:
-                        taskman_task_event(callid, &call);
-                        break;
-                default:
-                        async_answer_0(callid, ENOTSUP);
-                        break;
-                }
-        }
-}
-
-/**
- * Blocks, calls handler in another fibril
- */
-int task_register_event_handler(task_event_handler_t handler)
-{
-        /*
-         * so far support assign once, modification cannot be naïve due to
-         * races
-         */
-        assert(task_event_handler == NULL);
-        assert(handler != NULL); /* no support for "unregistration" */
-
-        task_event_handler = handler;
-
-        async_exch_t *exch = taskman_exchange_begin();
-        aid_t req = async_send_0(exch, TASKMAN_EVENT_CALLBACK, NULL);
-
-        int rc = async_connect_to_me(exch, 0, 0, 0, taskman_event_conn, NULL);
-        taskman_exchange_end(exch);
-
-        if (rc != EOK) {
-                return rc;
-        }
-
-        sysarg_t retval;
-        async_wait_for(req, &retval);
-        return retval;
-}
-
 void __task_init(async_sess_t *sess)
 {

uspace/lib/c/include/task.h

@@ -75 +75 @@
 
 extern errno_t task_retval(int);
+
+/* Implemented in task_event.h */
 extern int task_register_event_handler(task_event_handler_t);