X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fdynbind.c;h=da2218961a05b98e0482bded1288f69372ec6f5d;hb=5e92e9ed61903658015c2a75c79a32ad41dbd29d;hp=8c2d26aeee61dcf91d5656790236ecf3859e484f;hpb=79cc569a97e444389350ea3f5b1017374fe16bec;p=sbcl.git

diff --git a/src/runtime/dynbind.c b/src/runtime/dynbind.c
index 8c2d26a..da22189 100644
--- a/src/runtime/dynbind.c
+++ b/src/runtime/dynbind.c
@@ -36,16 +36,27 @@ void bind_variable(lispobj symbol, lispobj value, void *th)
     lispobj old_tl_value;
     struct binding *binding;
     struct thread *thread=(struct thread *)th;
-#ifdef LISP_FEATURE_SB_THREAD
-    struct symbol *sym=(struct symbol *)native_pointer(symbol);
-#endif
     binding = GetBSP();
     SetBSP(binding+1);
 #ifdef LISP_FEATURE_SB_THREAD
-    if(!sym->tls_index) {
-        sym->tls_index=SymbolValue(FREE_TLS_INDEX,0);
-        SetSymbolValue(FREE_TLS_INDEX,
-                       make_fixnum(fixnum_value(sym->tls_index)+1),0);
+    {
+        struct symbol *sym=(struct symbol *)native_pointer(symbol);
+        if(!sym->tls_index) {
+            lispobj *tls_index_lock=
+                &((struct symbol *)native_pointer(TLS_INDEX_LOCK))->value;
+            SetSymbolValue(PSEUDO_ATOMIC_INTERRUPTED, make_fixnum(0),th);
+            SetSymbolValue(PSEUDO_ATOMIC_ATOMIC, make_fixnum(1),th);
+            get_spinlock(tls_index_lock,(long)th);
+            if(!sym->tls_index) {
+                sym->tls_index=SymbolValue(FREE_TLS_INDEX,0);
+                SetSymbolValue(FREE_TLS_INDEX,
+                               make_fixnum(fixnum_value(sym->tls_index)+1),0);
+            }
+            release_spinlock(tls_index_lock);
+            SetSymbolValue(PSEUDO_ATOMIC_ATOMIC, make_fixnum(0),th);
+            if (fixnum_value(SymbolValue(PSEUDO_ATOMIC_INTERRUPTED,th)))
+                do_pending_interrupt();
+        }
     }
 #endif
     old_tl_value=SymbolTlValue(symbol,thread);