kc3-lang/gnulib/lib/pthread-tss.c

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• lib/pthread-tss.c

• /* POSIX thread-specific storage.
     Copyright (C) 2010-2023 Free Software Foundation, Inc.
  
     This file is free software: you can redistribute it and/or modify
     it under the terms of the GNU Lesser General Public License as
     published by the Free Software Foundation; either version 2.1 of the
     License, or (at your option) any later version.
  
     This file is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>, 2019.  */
  
  #include <config.h>
  
  /* Specification.  */
  #include <pthread.h>
  
  #if (defined _WIN32 && ! defined __CYGWIN__) && USE_WINDOWS_THREADS
  # include "windows-tls.h"
  #else
  # include <stdlib.h>
  #endif
  
  #if (defined _WIN32 && ! defined __CYGWIN__) && USE_WINDOWS_THREADS
  /* Use Windows threads.  */
  
  int
  pthread_key_create (pthread_key_t *keyp, void (*destructor) (void *))
  {
    return glwthread_tls_key_create (keyp, destructor);
  }
  
  int
  pthread_setspecific (pthread_key_t key, const void *value)
  {
    return glwthread_tls_set (key, (void *) value);
  }
  
  void *
  pthread_getspecific (pthread_key_t key)
  {
    return glwthread_tls_get (key);
  }
  
  int
  pthread_key_delete (pthread_key_t key)
  {
    return glwthread_tls_key_delete (key);
  }
  
  #elif HAVE_PTHREAD_H
  /* Provide workarounds for POSIX threads.  */
  
  #else
  /* Provide a dummy implementation for single-threaded applications.  */
  
  int
  pthread_key_create (pthread_key_t *keyp, void (*destructor) (void *))
  {
    pthread_key_t key = (void **) malloc (sizeof (void *));
    if (key == NULL)
      return ENOMEM;
    *key = NULL;
    *keyp = key;
    return 0;
  }
  
  int
  pthread_setspecific (pthread_key_t key, const void *value)
  {
    *key = (void *) value;
    return 0;
  }
  
  void *
  pthread_getspecific (pthread_key_t key)
  {
    return *key;
  }
  
  int
  pthread_key_delete (pthread_key_t key)
  {
    free (key);
    return 0;
  }
  
  #endif
  

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