text: /*
   * Copyright 2004-2020 Hewlett Packard Enterprise Development LP
   * Other additional copyright holders may be indicated within.
   * 
   * The entirety of this work is licensed under the Apache License,
   * Version 2.0 (the "License"); you may not use this file except
   * in compliance with the License.
   * 
   * You may obtain a copy of the License at
   * 
   *     http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef _threads_pthreads_h_
  #define _threads_pthreads_h_
  
  #include <pthread.h>
  #include <stdint.h>
  
  //
  // This is the type used to communicate thread identifiers between the
  // threading layer and its users.  Thread identifiers are 64-bit ints
  // and should be negative to allow distinguishing them from task
  // identifiers when the latter are positive and an ID could be either
  // one or the other.
  //
  typedef int64_t chpl_thread_id_t;
  #define chpl_thread_nullThreadId INT64_MIN
  
  typedef pthread_mutex_t chpl_thread_mutex_t;
  
  #include "chpl-thread-local-storage.h"
  
  extern CHPL_TLS_DECL(chpl_thread_id_t,chpl_thread_id);
  extern CHPL_TLS_DECL(void*, chpl_thread_data);
  
  #ifdef CHPL_THREAD_GETPRIVATEDATA_IMPL_DECL
  #error "CHPL_THREAD_GETPRIVATEDATA_IMPL_DECL is already defined!"
  #else
  #define CHPL_THREAD_GETPRIVATEDATA_IMPL_DECL 1
  #endif
  static inline
  void* chpl_thread_getPrivateData(void) {
    return CHPL_TLS_GET(chpl_thread_data);
  }
  
  #ifdef CHPL_THREAD_SETPRIVATEDATA_IMPL_DECL
  #error "CHPL_THREAD_SETPRIVATEDATA_IMPL_DECL is already defined!"
  #else
  #define CHPL_THREAD_SETPRIVATEDATA_IMPL_DECL 1
  #endif
  static inline
  void chpl_thread_setPrivateData(void* p) {
    CHPL_TLS_SET(chpl_thread_data, p);
  }
  
  #endif // _threads_pthreads_h_
  