A new API "androidGetThreadPriority"

Change-Id: I6baeead8c70460863343fd557250635fb1e6a170

2 files changed, 8 insertions, 0 deletions

diff --git a/include/utils/threads.h b/include/utils/threads.h
index c685625055..ab3e8cdb63 100644
--- a/include/utils/threads.h
+++ b/include/utils/threads.h
@@ -143,6 +143,10 @@ extern int androidSetThreadSchedulingGroup(pid_t tid, int grp);
 // in either case errno is set.  Thread ID zero means current thread.
 extern int androidSetThreadPriority(pid_t tid, int prio);
 
+// Get the current priority of a particular thread. Returns one of the
+// ANDROID_PRIORITY constants or a negative result in case of error.
+extern int androidGetThreadPriority(pid_t tid);
+
 // Get the current scheduling group of a particular thread. Normally returns
 // one of the ANDROID_TGROUP constants other than ANDROID_TGROUP_DEFAULT.
 // Returns ANDROID_TGROUP_DEFAULT if no pthread support (e.g. on host) or if
diff --git a/libs/utils/Threads.cpp b/libs/utils/Threads.cpp
index 02c380b0e5..38c4b35a7c 100644
--- a/libs/utils/Threads.cpp
+++ b/libs/utils/Threads.cpp
@@ -368,6 +368,10 @@ int androidSetThreadPriority(pid_t tid, int pri)
     return rc;
 }
 
+int androidGetThreadPriority(pid_t tid) {
+    return getpriority(PRIO_PROCESS, tid);
+}
+
 int androidGetThreadSchedulingGroup(pid_t tid)
 {
     int ret = ANDROID_TGROUP_DEFAULT;