am 7e63789a: android: cgroups: Don\'t switch threads >= nice 10 when moving all threads to default (d87c19f7) · Commits · e / os / android_frameworks_base

core/jni/android_util_Process.cpp

+18 −1

Original line number	Diff line number	Diff line
		@@ -251,10 +251,27 @@ void android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jin
		}

		while ((de = readdir(d))) {
		int t_pid;
		int t_pri;

		if (de->d_name[0] == '.')
		continue;
		t_pid = atoi(de->d_name);

		if (!t_pid) {
		LOGE("Error getting pid for '%s'\n", de->d_name);
		continue;
		}

		t_pri = getpriority(PRIO_PROCESS, t_pid);

		if (grp == ANDROID_TGROUP_DEFAULT &&
		t_pri >= ANDROID_PRIORITY_BACKGROUND) {
		// This task wants to stay at background
		continue;
		}

		if (add_pid_to_cgroup(atoi(de->d_name), grp)) {
		if (add_pid_to_cgroup(t_pid, grp)) {
		// If the thread exited on us, ignore it and keep going
		if (errno != ESRCH && errno != ENOENT) {
		signalExceptionForGroupError(env, clazz, errno);