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

• /* ISO C 11 thread-specific storage in multithreaded situations.
     Copyright (C) 2005-2023 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>, 2005, 2019.  */
  
  #include <config.h>
  
  #include <threads.h>
  
  #include <string.h>
  
  #if defined _WIN32 && ! defined __CYGWIN__
  /* Use Windows threads.  */
  
  # define WIN32_LEAN_AND_MEAN  /* avoid including junk */
  # include <windows.h>
  
  #else
  /* Use POSIX threads.  */
  
  # include <pthread.h>
  
  #endif
  
  #if defined _WIN32 && ! defined __CYGWIN__
  /* Use Windows threads.  */
  
  int
  tss_create (tss_t *keyp, tss_dtor_t destructor)
  {
    int err = glwthread_tls_key_create (keyp, destructor);
    if (err == 0)
      return thrd_success;
    else
      {
        memset (keyp, '\0', sizeof (tss_t));
        return thrd_error;
      }
  }
  
  int
  tss_set (tss_t key, void *value)
  {
    int err = glwthread_tls_set (key, value);
    return (err == 0 ? thrd_success : thrd_error);
  }
  
  void *
  tss_get (tss_t key)
  {
    return glwthread_tls_get (key);
  }
  
  void
  tss_delete (tss_t key)
  {
    glwthread_tls_key_delete (key);
  }
  
  #else
  /* Use POSIX threads.  */
  
  int
  tss_create (tss_t *keyp, tss_dtor_t destructor)
  {
    int err = pthread_key_create (keyp, destructor);
    if (err == 0)
      return thrd_success;
    else
      {
        memset (keyp, '\0', sizeof (tss_t));
        return thrd_error;
      }
  }
  
  int
  tss_set (tss_t key, void *value)
  {
    int err = pthread_setspecific (key, value);
    return (err == 0 ? thrd_success : thrd_error);
  }
  
  void *
  tss_get (tss_t key)
  {
    return pthread_getspecific (key);
  }
  
  void
  tss_delete (tss_t key)
  {
    pthread_key_delete (key);
  }
  
  #endif
  

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