vipnsshutdown.c

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/********************************************************
 * Myricom VI-GM  networking software and documentation *
 * Copyright (c) 2001 by Myricom, Inc.                  *
 * All rights reserved.                                 *
 * See the file `COPYING' for copyright notice.         *
 ********************************************************/

#include "vipl_priv.h"


VIP_ENTRY_POINT VIP_RETURN
VipNSShutdown (VIP_NIC_HANDLE NicHandle)
{
  VIP_NIC *vip_nic_ptr;
  VIP_DEBUG_LABEL (("VipNSShutdown"));


  /* check nic handle */
  vip_nic_ptr = (VIP_NIC *) NicHandle;
  if (VIP_INVALID_NIC_HANDLE (vip_nic_ptr))
    {
      VIP_DEBUG (("Invalid NIC handle"));
      return VIP_INVALID_PARAMETER;
    }
  VIP_MUTEX_LOCK (&(vip_nic_ptr->lock));

  /* check if the name service is initialized */
  if (vip_nic_ptr->ns_initialized == VIP_FALSE)
    {
      VIP_DEBUG (("Name service not previously initialized"));
      VIP_MUTEX_UNLOCK (&(vip_nic_ptr->lock));
      return VIP_ERROR_NAMESERVICE;
    }

  vip_nic_ptr->ns_initialized = VIP_FALSE;
  VIP_DEBUG (("Success"));
  VIP_MUTEX_UNLOCK (&(vip_nic_ptr->lock));
  return VIP_SUCCESS;
}