1.0.25.23: more allocation checks

[sbcl.git] / src / runtime / dynbind.c

diff --git a/src/runtime/dynbind.c b/src/runtime/dynbind.c
index f2e51ef..1c84e5b 100644 (file)
--- a/src/runtime/dynbind.c
+++ b/src/runtime/dynbind.c
@@ -51,6 +51,9 @@ void bind_variable(lispobj symbol, lispobj value, void *th)
                 sym->tls_index=SymbolValue(FREE_TLS_INDEX,0);
                 SetSymbolValue(FREE_TLS_INDEX,
                                make_fixnum(fixnum_value(sym->tls_index)+1),0);
+                if(fixnum_value(sym->tls_index)>=TLS_SIZE) {
+                    lose("Thread local storage exhausted.");
+                }
             }
             release_spinlock(tls_index_lock);
             clear_pseudo_atomic_atomic(th);
@@ -78,6 +81,7 @@ unbind(void *th)
     SetTlSymbolValue(symbol, binding->value,thread);
 
     binding->symbol = 0;
+    binding->value = 0;
 
     SetBSP(binding);
 }
@@ -99,6 +103,7 @@ unbind_to_here(lispobj *bsp,void *th)
                 SetTlSymbolValue(symbol, binding->value,thread);
             }
             binding->symbol = 0;
+            binding->value = 0;
         }
     }
     SetBSP(binding);