1 files changed, 36 insertions, 1 deletions
diff --git a/include/utils/threads.h b/include/utils/threads.h
index 0fc533f..5ac0c5e 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
@@ -191,7 +209,7 @@ inline thread_id_t getThreadId() {
 class Mutex {
 public:
     enum {
-        NORMAL = 0,
+        PRIVATE = 0,
         SHARED = 1
     };
     
@@ -287,7 +305,13 @@ typedef Mutex::Autolock AutoMutex;
  */
 class Condition {
 public:
+    enum {
+        PRIVATE = 0,
+        SHARED = 1
+    };
+
     Condition();
+    Condition(int type);
     ~Condition();
     // Wait on the condition variable.  Lock the mutex before calling.
     status_t wait(Mutex& mutex);
@@ -311,6 +335,17 @@ private:
 inline Condition::Condition() {
     pthread_cond_init(&mCond, NULL);
 }
+inline Condition::Condition(int type) {
+    if (type == SHARED) {
+        pthread_condattr_t attr;
+        pthread_condattr_init(&attr);
+        pthread_condattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
+        pthread_cond_init(&mCond, &attr);
+        pthread_condattr_destroy(&attr);
+    } else {
+        pthread_cond_init(&mCond, NULL);
+    }
+}
 inline Condition::~Condition() {
     pthread_cond_destroy(&mCond);
 }