free TLS slot properly on Windows

p4raw-id: //depot/perl@6748

1 files changed, 8 insertions, 0 deletions

diff --git a/thread.h b/thread.h
index 206a5c508e..9740dbaf26 100644
--- a/thread.h
+++ b/thread.h
@@ -117,6 +117,7 @@
 #define INIT_THREADS		cthread_init()
 #define YIELD			cthread_yield()
 #define ALLOC_THREAD_KEY	NOOP
+#define FREE_THREAD_KEY		NOOP
 #define SET_THREAD_SELF(thr)	(thr->self = cthread_self())
 
 #endif /* I_MACH_CTHREADS */
@@ -257,6 +258,13 @@
     } STMT_END
 #endif
 
+#ifndef FREE_THREAD_KEY
+#  define FREE_THREAD_KEY \
+    STMT_START {						\
+	pthread_key_delete(PL_thr_key);				\
+    } STMT_END
+#endif
+
 #ifndef THREAD_RET_TYPE
 #  define THREAD_RET_TYPE	void *
 #  define THREAD_RET_CAST(p)	((void *)(p))