diff options
Diffstat (limited to 'src/git/thread-utils.h')
| -rw-r--r-- | src/git/thread-utils.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/git/thread-utils.h b/src/git/thread-utils.h new file mode 100644 index 000000000..f2ddf1eec --- /dev/null +++ b/src/git/thread-utils.h @@ -0,0 +1,25 @@ +#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 +#if 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) +# else +# define GIT_TLS __thread +# endif +#elif defined(_WIN32) || defined(_WIN32_CE) || defined(__BORLANDC__) +# define GIT_TLS __declspec(thread) +#else +# undef GIT_HAS_TLS +# define GIT_TLS /* nothing: tls vars are thread-global */ +#endif + +#endif /* INCLUDE_git_thread_utils_h__ */ |