commit 47f48572db6a5b4b1b890f93f07ff2bd7c7dc95c
author Glenn Kasten <gkasten@google.com> Tue Jun 14 10:35:34 2011 -0700
committer Alex Ray <aray@google.com> Tue Jul 30 13:56:57 2013 -0700
tree dbc4b0df7976155eb4a1f3befdc21b0b3122a5ba
parent 9b6259aa579291deb7334a968bd30878a5fec386

Bug 4608375

Update priority and policy together for audio threads

Change-Id: Ib3b07b32586c222c4aacbf23414ae8b05db502be

libs/utils/Threads.cpp

diff --git a/libs/utils/Threads.cpp b/libs/utils/Threads.cpp
index c748228..15bb1d2 100644
--- a/libs/utils/Threads.cpp
+++ b/libs/utils/Threads.cpp
@@ -335,10 +335,17 @@
 
     pthread_once(&gDoSchedulingGroupOnce, checkDoSchedulingGroup);
     if (gDoSchedulingGroup) {
+        // set_sched_policy does not support tid == 0
+        int policy_tid;
+        if (tid == 0) {
+            policy_tid = androidGetTid();
+        } else {
+            policy_tid = tid;
+        }
         if (pri >= ANDROID_PRIORITY_BACKGROUND) {
-            rc = set_sched_policy(tid, SP_BACKGROUND);
+            rc = set_sched_policy(policy_tid, SP_BACKGROUND);
         } else if (getpriority(PRIO_PROCESS, tid) >= ANDROID_PRIORITY_BACKGROUND) {
-            rc = set_sched_policy(tid, SP_FOREGROUND);
+            rc = set_sched_policy(policy_tid, SP_FOREGROUND);
         }
     }