Function sendfile_sync_destroy

freebsd/kern/kern_sendfile.c:112–120

};

static void
sendfile_sync_destroy(struct sendfile_sync *sfs)
{
	KASSERT(sfs->count == 0, ("sendfile sync %p still busy", sfs));

	cv_destroy(&sfs->cv);
	mtx_destroy(&sfs->mtx);
	free(sfs, M_SENDFILE);
}

static void
sendfile_sync_signal(struct sendfile_sync *sfs)