New scheduler, with priorities for swcodec platforms. Frequent task

switching should be more efficient and tasks are stored in linked
lists to eliminate unnecessary task switching to improve performance.
Audio should no longer skip on swcodec targets caused by too CPU
hungry UI thread or background threads.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10958 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 7 insertions, 5 deletions

diff --git a/apps/plugins/alpine_cdc.c b/apps/plugins/alpine_cdc.c
index a482664..134bb3d 100644
--- a/apps/plugins/alpine_cdc.c
+++ b/apps/plugins/alpine_cdc.c
@@ -202,7 +202,7 @@ struct
 /* communication to the worker thread */
 struct 
 {
-    int id; /* ID of the thread */
+    struct thread_entry *id; /* Pointer of the thread */
     bool foreground; /* set as long as we're owning the UI */
     bool exiting; /* signal to the thread that we want to exit */
     bool ended; /* response from the thread, that is has exited */
@@ -1169,7 +1169,8 @@ int main(void* parameter)
 
     rb->memset(&gTread, 0, sizeof(gTread));
     gTread.foreground = true;
-    gTread.id = rb->create_thread(thread, stack, stacksize, "CDC");
+    gTread.id = rb->create_thread(thread, stack, stacksize, "CDC"
+                                  IF_PRIO(, PRIORITY_BACKGROUND));
 
 #ifdef DEBUG
     do
diff --git a/apps/plugins/battery_bench.c b/apps/plugins/battery_bench.c
index 9400bd2..3c56f84 100644
--- a/apps/plugins/battery_bench.c
+++ b/apps/plugins/battery_bench.c
@@ -102,7 +102,7 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
 
 struct 
 {
-    int id;
+    struct thread_entry *id;
     bool ended;
 } s_thread;
 
@@ -454,10 +454,11 @@ int main(void)
         rb->close(fd);
     }
     
-    rb->queue_init(&thread_q); /* put the thread's queue in the bcast list */
+    rb->queue_init(&thread_q, true); /* put the thread's queue in the bcast list */
     rb->memset(&s_thread, 0, sizeof(s_thread)); /* zero the struct */
     if((s_thread.id = rb->create_thread(thread, thread_stack,
-        sizeof(thread_stack), "Battery Benchmark"))<0)
+        sizeof(thread_stack), "Battery Benchmark" 
+        IF_PRIO(, PRIORITY_BACKGROUND))) == NULL)
     {
         rb->splash(HZ,true,"Cannot create thread!");
         return PLUGIN_ERROR;