diff --git a/include/utils/threads.h b/include/utils/threads.h
index 0fc533f95..130d83c0d 100644
--- a/include/utils/threads.h
+++ b/include/utils/threads.h
@@ -124,6 +124,24 @@ typedef int (*android_create_thread_fn)(android_thread_func_t entryFunction,
 
 extern void androidSetCreateThreadFunc(android_create_thread_fn func);
 
+// ------------------------------------------------------------------
+// Extra functions working with raw pids.
+
+// Get pid for the current thread.
+extern pid_t androidGetTid();
+
+// Change the scheduling group of a particular thread.  The group
+// should be one of the ANDROID_TGROUP constants.  Returns BAD_VALUE if
+// grp is out of range, else another non-zero value with errno set if
+// the operation failed.
+extern int androidSetThreadSchedulingGroup(pid_t tid, int grp);
+
+// Change the priority AND scheduling group of a particular thread.  The priority
+// should be one of the ANDROID_PRIORITY constants.  Returns INVALID_OPERATION
+// if the priority set failed, else another value if just the group set failed;
+// in either case errno is set.
+extern int androidSetThreadPriority(pid_t tid, int prio);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/libs/utils/Threads.cpp b/libs/utils/Threads.cpp
index ec3db0980..6ca260374 100644
--- a/libs/utils/Threads.cpp
+++ b/libs/utils/Threads.cpp
@@ -20,6 +20,8 @@
 #include <utils/threads.h>
 #include <utils/Log.h>
 
+#include <cutils/sched_policy.h>
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <memory.h>
@@ -269,6 +271,53 @@ void androidSetCreateThreadFunc(android_create_thread_fn func)
     gCreateThreadFn = func;
 }
 
+pid_t androidGetTid()
+{
+#ifdef HAVE_GETTID
+    return gettid();
+#else
+    return getpid();
+#endif
+}
+
+int androidSetThreadSchedulingGroup(pid_t tid, int grp)
+{
+    if (grp > ANDROID_TGROUP_MAX || grp < 0) { 
+        return BAD_VALUE;
+    }
+
+    if (set_sched_policy(tid, (grp == ANDROID_TGROUP_BG_NONINTERACT) ?
+                                      SP_BACKGROUND : SP_FOREGROUND)) {
+        return PERMISSION_DENIED;
+    }
+    
+    return NO_ERROR;
+}
+
+int androidSetThreadPriority(pid_t tid, int pri)
+{
+    int rc = 0;
+    int lasterr = 0;
+
+    if (pri >= ANDROID_PRIORITY_BACKGROUND) {
+        rc = set_sched_policy(tid, SP_BACKGROUND);
+    } else if (getpriority(PRIO_PROCESS, tid) >= ANDROID_PRIORITY_BACKGROUND) {
+        rc = set_sched_policy(tid, SP_FOREGROUND);
+    }
+
+    if (rc) {
+        lasterr = errno;
+    }
+
+    if (setpriority(PRIO_PROCESS, tid, pri) < 0) {
+        rc = INVALID_OPERATION;
+    } else {
+        errno = lasterr;
+    }
+    
+    return rc;
+}
+
 namespace android {
 
 /*