What's the adjective for syncing? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs sync, synchronize, synchronise and synch which may be used as adjectives within certain contexts.
(computing) Single-threaded; blocking; occurring in the same thread as other computations, thereby preventing those computations from resuming until the communication is complete.
“The vibration isolation performance of the platform under synchronal and high-order harmonic disturbances caused by the flywheel is investigated.”
“The synchronal arrangements were imperfect, and the projected attacks did not proceed as intended.”
“In order to confirm the synchronal property of the sensor array, an equal pressure of 113.2 kPa was applied on four units of the sensor, simultaneously.”