thodg/libgit2/src/git2/thread-utils.h

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• Hash : f5918330
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  Date : 2010-12-06T23:08:31
  

  Add license file to all public headers Yes, the public headers do need our license. Signed-off-by: Vicent Marti <tanoku@gmail.com>

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• src/git2/thread-utils.h

• /*
   * This file is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License, version 2,
   * as published by the Free Software Foundation.
   *
   * In addition to the permissions in the GNU General Public License,
   * the authors give you unlimited permission to link the compiled
   * version of this file into combinations with other programs,
   * and to distribute those combinations without any restriction
   * coming from the use of this file.  (The General Public License
   * restrictions do apply in other respects; for example, they cover
   * modification of the file, and distribution when not linked into
   * a combined executable.)
   *
   * 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
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; see the file COPYING.  If not, write to
   * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
   * Boston, MA 02110-1301, USA.
   */
  #ifndef INCLUDE_git_thread_utils_h__
  #define INCLUDE_git_thread_utils_h__
  
  /*
   * How TLS works is compiler+platform dependant
   * Sources: http://en.wikipedia.org/wiki/Thread-Specific_Storage
   *          http://predef.sourceforge.net/precomp.html
   */
  
  #define GIT_HAS_TLS 1
  #define GIT_HAS_PTHREAD 1
  
  #if defined(__APPLE__) && defined(__MACH__)
  # undef GIT_TLS
  
  #elif defined(__GNUC__) || \
        defined(__SUNPRO_C) || \
        defined(__SUNPRO_CC) || \
        defined(__xlc__) || \
        defined(__xlC__)
  # define GIT_TLS __thread
  
  #elif defined(__INTEL_COMPILER)
  # if defined(_WIN32) || defined(_WIN32_CE)
  #  define GIT_TLS __declspec(thread)
  #  undef GIT_HAS_PTHREAD
  # else
  #  define GIT_TLS __thread
  # endif
  
  #elif defined(_WIN32) || \
        defined(_WIN32_CE) || \
        defined(__BORLANDC__)
  # define GIT_TLS __declspec(thread)
  # undef GIT_HAS_PTHREAD
  
  #else
  # undef GIT_HAS_TLS
  # undef GIT_HAS_PTHREAD
  # define GIT_TLS /* nothing: tls vars are thread-global */
  #endif
  
  /* sparse and cygwin don't grok thread-local variables */
  #if defined(__CHECKER__) || defined(__CYGWIN__)
  # undef GIT_HAS_TLS
  # undef GIT_TLS
  # define GIT_TLS
  #endif
  
  #ifdef GIT_HAS_PTHREAD
  # define GIT_THREADS 1
  #else
  # undef GIT_THREADS
  #endif
  
  #endif /* INCLUDE_git_thread_utils_h__ */
  

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