Shared caches: fix and minor changes.

  * Fixed detection and use of C11 thread support: the C11 header is
    <threads.h>, not <thread.h>.
  * Renamed WANT_SHARED_CACHE to MPFR_WANT_SHARED_CACHE for consistency
    with the other MPFR_WANT_* macros.
  * Added MPFR_THREAD_LOCK_METHOD macro, giving the thread locking
    method as a string (when shared caches are enabled).
  * doc/README.dev: documented 4 macros for shared caches.
  * tests/tversion.c: output MPFR_WANT_SHARED_CACHE and
    MPFR_THREAD_LOCK_METHOD information.

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@12937 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 10 insertions, 2 deletions

diff --git a/src/mpfr-thread.h b/src/mpfr-thread.h
index 2bc1d525c..d8ca6e4b5 100644
--- a/src/mpfr-thread.h
+++ b/src/mpfr-thread.h
@@ -53,9 +53,13 @@ http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
 /*                           ISO C11 version                              */
 /**************************************************************************/
 /**************************************************************************/
+
 #if defined (MPFR_HAVE_C11_LOCK)
 /* NOTE: This version has not been completely tested */
-#include <thread.h>
+
+#define MPFR_THREAD_LOCK_METHOD "C11"
+
+#include <threads.h>
 
 #define MPFR_LOCK_DECL(_lock)                   \
   mtx_t _lock;
@@ -110,8 +114,12 @@ http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
 /*                           POSIX   version                              */
 /**************************************************************************/
 /**************************************************************************/
+
 #elif defined (HAVE_PTHREAD)
-# include <pthread.h>
+
+#define MPFR_THREAD_LOCK_METHOD "pthread"
+
+#include <pthread.h>
 
 #define MPFR_LOCK_DECL(_lock)                                           \
   pthread_rwlock_t _lock;