Rename and reset the proirity of HID host thread (c64ccdbe) · Commits · e / os / android_packages_modules_Bluetooth

system/btif/co/bta_hh_co.cc

+13 −0

Original line number	Diff line number	Diff line
		@@ -43,6 +43,8 @@ const char* dev_path = "/dev/uhid";
		static tBTA_HH_RPT_CACHE_ENTRY sReportCache[BTA_HH_NV_LOAD_MAX];
		#endif
		#define GET_RPT_RSP_OFFSET 9
		#define THREAD_NORMAL_PRIORITY 0
		#define BT_HH_THREAD "bt_hh_thread"

		void uhid_set_non_blocking(int fd) {
		int opts = fcntl(fd, F_GETFL);
		@@ -208,6 +210,17 @@ static void* btif_hh_poll_event_thread(void* arg) {
		APPL_TRACE_DEBUG("%s: Thread created fd = %d", __func__, p_dev->fd);
		struct pollfd pfds[1];

		// This thread is created by bt_main_thread with RT priority. Lower the thread
		// priority here since the tasks in this thread is not timing critical.
		struct sched_param sched_params;
		sched_params.sched_priority = THREAD_NORMAL_PRIORITY;
		if (sched_setscheduler(gettid(), SCHED_OTHER, &sched_params)) {
		APPL_TRACE_ERROR("%s: Failed to set thread priority to normal", __func__);
		p_dev->hh_poll_thread_id = -1;
		return 0;
		}
		pthread_setname_np(pthread_self(), BT_HH_THREAD);

		pfds[0].fd = p_dev->fd;
		pfds[0].events = POLLIN;