runtime/src/kmp_runtime.cpp

872   int cg_nthreads = this_thr->th.th_cg_roots->cg_nthreads;
874   if (cg_nthreads + new_nthreads -
877     int tl_nthreads = max_cg_threads - cg_nthreads +
3759   tmp->cg_nthreads = 1;
3761                  " cg_nthreads init to 1\n",
3889   i = root->r.r_uber_thread->th.th_cg_roots->cg_nthreads--;
3890   KA_TRACE(100, ("__kmp_reset_root: Thread %p decrement cg_nthreads on node %p"
3893                  root->r.r_uber_thread->th.th_cg_roots->cg_nthreads));
4078       int i = tmp->cg_nthreads--;
4079       KA_TRACE(100, ("__kmp_initialize_info: Thread %p decrement cg_nthreads"
4081                      this_thr, tmp, tmp->cg_root, tmp->cg_nthreads));
4088     this_thr->th.th_cg_roots->cg_nthreads++;
4089     KA_TRACE(100, ("__kmp_initialize_info: Thread %p increment cg_nthreads on"
4093                    this_thr->th.th_cg_roots->cg_nthreads));
5450                        " up to node %p. cg_nthreads was %d\n",
5451                        thr, tmp, thr->th.th_cg_roots, tmp->cg_nthreads));
5452         int i = tmp->cg_nthreads--;
5542     this_th->th.th_cg_roots->cg_nthreads--;
5543     KA_TRACE(100, ("__kmp_free_thread: Thread %p decrement cg_nthreads on node"
5547                    this_th->th.th_cg_roots->cg_nthreads));
5550       KMP_DEBUG_ASSERT(tmp->cg_nthreads == 0);
5556       if (tmp->cg_nthreads == 0) { // last thread leaves contention group
7066   tmp->cg_nthreads = 1; // Init counter to one active thread, this one
7068                  " cg_nthreads to 1\n",