here is the reason: 1.clock_systime_timespec(core function) always exist regardless the setting 2.CLOCK_MONOTONIC is a foundamental clock type required by many places Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Reference: https: //pubs.opengroup.org/onlinepubs/009695399/functions/pthread_condattr_setclock.html Change-Id: I19c15d5f219fcf28dbfeb2e5a1e3fc7b38ba2259 Signed-off-by: chao.an <anchao@xiaomi.com>