XXXXX convert NLM's single-count semaphore to a mutex

*** 861,871 ****
              NSM_ADDR_V1, 0, NLM_RPC_RETRIES, zone_kcred(),
              &nsm->ns_addr_handle);
          if (error != 0)
                  goto error;
  
!         sema_init(&nsm->ns_sem, 1, NULL, SEMA_DEFAULT, NULL);
          return (0);
  
  error:
          kmem_free(nsm->ns_addr.buf, nsm->ns_addr.maxlen);
          if (nsm->ns_handle) {
--- 861,871 ----
              NSM_ADDR_V1, 0, NLM_RPC_RETRIES, zone_kcred(),
              &nsm->ns_addr_handle);
          if (error != 0)
                  goto error;
  
!         mutex_init(&nsm->ns_lock, NULL, MUTEX_DEFAULT, NULL);
          return (0);
  
  error:
          kmem_free(nsm->ns_addr.buf, nsm->ns_addr.maxlen);
          if (nsm->ns_handle) {
*** 887,908 ****
          nsm->ns_addr_handle = NULL;
          if (nsm->ns_handle->cl_auth != NULL)
                  auth_destroy(nsm->ns_handle->cl_auth);
          CLNT_DESTROY(nsm->ns_handle);
          nsm->ns_handle = NULL;
!         sema_destroy(&nsm->ns_sem);
  }
  
  static enum clnt_stat
  nlm_nsm_simu_crash(struct nlm_nsm *nsm)
  {
          enum clnt_stat stat;
  
!         sema_p(&nsm->ns_sem);
          nlm_nsm_clnt_init(nsm->ns_handle, nsm);
          stat = sm_simu_crash_1(NULL, NULL, nsm->ns_handle);
!         sema_v(&nsm->ns_sem);
  
          return (stat);
  }
  
  static enum clnt_stat
--- 887,908 ----
          nsm->ns_addr_handle = NULL;
          if (nsm->ns_handle->cl_auth != NULL)
                  auth_destroy(nsm->ns_handle->cl_auth);
          CLNT_DESTROY(nsm->ns_handle);
          nsm->ns_handle = NULL;
!         mutex_destroy(&nsm->ns_lock);
  }
  
  static enum clnt_stat
  nlm_nsm_simu_crash(struct nlm_nsm *nsm)
  {
          enum clnt_stat stat;
  
!         mutex_enter(&nsm->ns_lock);
          nlm_nsm_clnt_init(nsm->ns_handle, nsm);
          stat = sm_simu_crash_1(NULL, NULL, nsm->ns_handle);
!         mutex_exit(&nsm->ns_lock);
  
          return (stat);
  }
  
  static enum clnt_stat
*** 913,926 ****
          enum clnt_stat stat;
  
          args.mon_name = uts_nodename();
          bzero(&res, sizeof (res));
  
!         sema_p(&nsm->ns_sem);
          nlm_nsm_clnt_init(nsm->ns_handle, nsm);
          stat = sm_stat_1(&args, &res, nsm->ns_handle);
!         sema_v(&nsm->ns_sem);
  
          if (stat == RPC_SUCCESS)
                  *out_stat = res.state;
  
          return (stat);
--- 913,926 ----
          enum clnt_stat stat;
  
          args.mon_name = uts_nodename();
          bzero(&res, sizeof (res));
  
!         mutex_enter(&nsm->ns_lock);
          nlm_nsm_clnt_init(nsm->ns_handle, nsm);
          stat = sm_stat_1(&args, &res, nsm->ns_handle);
!         mutex_exit(&nsm->ns_lock);
  
          if (stat == RPC_SUCCESS)
                  *out_stat = res.state;
  
          return (stat);
*** 941,954 ****
          args.mon_id.my_id.my_prog = NLM_PROG;
          args.mon_id.my_id.my_vers = NLM_SM;
          args.mon_id.my_id.my_proc = NLM_SM_NOTIFY1;
          bcopy(&priv, args.priv, sizeof (priv));
  
!         sema_p(&nsm->ns_sem);
          nlm_nsm_clnt_init(nsm->ns_handle, nsm);
          stat = sm_mon_1(&args, &res, nsm->ns_handle);
!         sema_v(&nsm->ns_sem);
  
          return (stat);
  }
  
  static enum clnt_stat
--- 941,954 ----
          args.mon_id.my_id.my_prog = NLM_PROG;
          args.mon_id.my_id.my_vers = NLM_SM;
          args.mon_id.my_id.my_proc = NLM_SM_NOTIFY1;
          bcopy(&priv, args.priv, sizeof (priv));
  
!         mutex_enter(&nsm->ns_lock);
          nlm_nsm_clnt_init(nsm->ns_handle, nsm);
          stat = sm_mon_1(&args, &res, nsm->ns_handle);
!         mutex_exit(&nsm->ns_lock);
  
          return (stat);
  }
  
  static enum clnt_stat
*** 965,978 ****
          args.my_id.my_name = uts_nodename();
          args.my_id.my_prog = NLM_PROG;
          args.my_id.my_vers = NLM_SM;
          args.my_id.my_proc = NLM_SM_NOTIFY1;
  
!         sema_p(&nsm->ns_sem);
          nlm_nsm_clnt_init(nsm->ns_handle, nsm);
          stat = sm_unmon_1(&args, &res, nsm->ns_handle);
!         sema_v(&nsm->ns_sem);
  
          return (stat);
  }
  
  static enum clnt_stat
--- 965,978 ----
          args.my_id.my_name = uts_nodename();
          args.my_id.my_prog = NLM_PROG;
          args.my_id.my_vers = NLM_SM;
          args.my_id.my_proc = NLM_SM_NOTIFY1;
  
!         mutex_enter(&nsm->ns_lock);
          nlm_nsm_clnt_init(nsm->ns_handle, nsm);
          stat = sm_unmon_1(&args, &res, nsm->ns_handle);
!         mutex_exit(&nsm->ns_lock);
  
          return (stat);
  }
  
  static enum clnt_stat
*** 984,997 ****
  
          args.family = family;
          args.name = name;
          args.address = *address;
  
!         sema_p(&nsm->ns_sem);
          nlm_nsm_clnt_init(nsm->ns_addr_handle, nsm);
          stat = nsmaddrproc1_reg_1(&args, &res, nsm->ns_addr_handle);
!         sema_v(&nsm->ns_sem);
  
          return (stat);
  }
  
  /*
--- 984,997 ----
  
          args.family = family;
          args.name = name;
          args.address = *address;
  
!         mutex_enter(&nsm->ns_lock);
          nlm_nsm_clnt_init(nsm->ns_addr_handle, nsm);
          stat = nsmaddrproc1_reg_1(&args, &res, nsm->ns_addr_handle);
!         mutex_exit(&nsm->ns_lock);
  
          return (stat);
  }
  
  /*