audiod: Replace kill_btrn() by task notifications.

diff --git a/audiod.c b/audiod.c
index f8dde0c2a2f1427ac38e6e598b7e169ff7d626b0..03705089ff528f37aaf31a26ddf604ad884b1862 100644 (file)
--- a/audiod.c
+++ b/audiod.c
@@ -440,20 +440,6 @@ static void close_filters(struct slot_info *s)
        s->fns = NULL;
 }
 
-/*
- * Whenever a task commits suicide by returning from post_select with t->error
- * < 0, it also removes its btr node. We do exactly that to kill a running
- * task. Note that the scheduler checks t->error also _before_ each pre/post
- * select call, so the victim will never be scheduled again.
- */
-static void kill_btrn(struct btr_node **btrnp, struct task *t, int error)
-{
-       if (t->error < 0)
-               return;
-       t->error = error;
-       btr_remove_node(btrnp);
-}
-
 static void notify_receivers(int error)
 {
        int i;
@@ -1197,7 +1183,7 @@ static void status_post_select(struct sched *s, struct task *t)
                if (!st->ct)
                        goto out;
                if (st->ct->task.error >= 0) {
-                       kill_btrn(&st->ct->btrn, &st->ct->task, -E_AUDIOD_OFF);
+                       task_notify(&st->ct->task, E_AUDIOD_OFF);
                        goto out;
                }
                close_stat_pipe();
@@ -1219,15 +1205,14 @@ static void status_post_select(struct sched *s, struct task *t)
                        struct timeval diff;
                        tv_diff(now, &st->last_status_read, &diff);
                        if (diff.tv_sec > 61)
-                               kill_btrn(&st->ct->btrn, &st->ct->task,
-                                       -E_STATUS_TIMEOUT);
+                               task_notify(&st->ct->task, E_AUDIOD_OFF);
                        goto out;
                }
                btr_merge(st->btrn, st->min_iqs);
                sz = btr_next_buffer(st->btrn, &buf);
                ret = for_each_stat_item(buf, sz, update_item);
                if (ret < 0) {
-                       kill_btrn(&st->ct->btrn, &st->ct->task, ret);
+                       task_notify(&st->ct->task, E_AUDIOD_OFF);
                        goto out;
                }
                if (sz != ret) {

diff --git a/client_common.c b/client_common.c
index a4aa6d8c3ecc3ae386cbb14515f05f8257d96e0d..78b232dbd043caf1dc0ee6ba58b3437000e0d86a 100644 (file)
--- a/client_common.c
+++ b/client_common.c
@@ -333,7 +333,9 @@ static void client_post_select(struct sched *s, struct task *t)
        size_t n;
        char buf[CLIENT_BUFSIZE];
 
-       t->error = 0;
+       ret = task_get_notification(t);
+       if (ret < 0)
+               goto out;
        if (ct->scc.fd < 0)
                return;
        switch (ct->status) {