X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=thread.h;h=4744aa0bdd1d145e544002900f4d8f68a09c4b79;hb=21efee590d868d225431dc4d2515c810203e38e3;hp=99269a1f1f0b609ea6ae8deb00320c3767eccf7a;hpb=5cbe9849aa1763616f25576b46308a1cbe474252;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/thread.h b/thread.h
index 99269a1..4744aa0 100644
--- a/thread.h
+++ b/thread.h
@@ -249,8 +249,22 @@
     } STMT_END
 #endif /* JOIN */
 
+/* Use an unchecked fetch of thread-specific data instead of a checked one.
+ * It would fail if the key were bogus, but if the key were bogus then
+ * Really Bad Things would be happening anyway. --dan */
+#if (defined(__ALPHA) && (__VMS_VER >= 70000000)) || \
+    (defined(__alpha) && defined(__osf__)) /* Available only on >= 4.0 */
+#  define HAS_PTHREAD_UNCHECKED_GETSPECIFIC_NP /* Configure test needed */
+#endif
+
+#ifdef HAS_PTHREAD_UNCHECKED_GETSPECIFIC_NP
+#  define PTHREAD_GETSPECIFIC(key) pthread_unchecked_getspecific_np(key)
+#else
+#  define PTHREAD_GETSPECIFIC(key) pthread_getspecific(key)
+#endif
+
 #ifndef PERL_GET_CONTEXT
-#  define PERL_GET_CONTEXT	pthread_getspecific(PL_thr_key)
+#  define PERL_GET_CONTEXT	PTHREAD_GETSPECIFIC(PL_thr_key)
 #endif
 
 #ifndef PERL_SET_CONTEXT