commit ce63396effb32212501658c25f2ec6d1bd8b0307
author Glenn Kasten <gkasten@google.com> Wed Jun 22 17:42:23 2011 -0700
committer Glenn Kasten <gkasten@google.com> Wed Jun 22 17:45:30 2011 -0700
tree aba1bb6bda3ca418bc455b6c15ff7cc3720224db
parent d80fa1aa3933b8f2ab55dd0ce6ff87630997a492

Thread ID zero for androidSetThreadSchedulingGroup

Already implemented by androidSetThreadPriority but not documented

Change-Id: I85302b17092952065f3f3a4214d8d8abdd465dbd

libs/utils/Threads.cpp

diff --git a/libs/utils/Threads.cpp b/libs/utils/Threads.cpp
index 15bb1d2..71352a8 100644
--- a/libs/utils/Threads.cpp
+++ b/libs/utils/Threads.cpp
@@ -316,6 +316,10 @@
 #if defined(HAVE_PTHREADS)
     pthread_once(&gDoSchedulingGroupOnce, checkDoSchedulingGroup);
     if (gDoSchedulingGroup) {
+        // set_sched_policy does not support tid == 0
+        if (tid == 0) {
+            tid = androidGetTid();
+        }
         if (set_sched_policy(tid, (grp == ANDROID_TGROUP_BG_NONINTERACT) ?
                                           SP_BACKGROUND : SP_FOREGROUND)) {
             return PERMISSION_DENIED;