Make DynaLoader clone its private data under threads.

[p5sagit/p5-mst-13.2.git] / ext / DynaLoader / dl_mpeix.xs

diff --git a/ext/DynaLoader/dl_mpeix.xs b/ext/DynaLoader/dl_mpeix.xs
index 55a5c3f..0c810ad 100644 (file)
--- a/ext/DynaLoader/dl_mpeix.xs
+++ b/ext/DynaLoader/dl_mpeix.xs
@@ -111,13 +111,14 @@ void
 dl_install_xsub(perl_name, symref, filename="$Package")
     char *      perl_name
     void *      symref
-    char *      filename
+    const char *      filename
     CODE:
     DLDEBUG(2,PerlIO_printf(Perl_debug_log,"dl_install_xsub(name=%s, symref=%x)\n",
             perl_name, symref));
-    ST(0) = sv_2mortal(newRV((SV*)newXS(perl_name,
-                                       (void(*)(pTHX_ CV *))symref,
-                                       filename)));
+    ST(0) = sv_2mortal(newRV((SV*)newXS_flags(perl_name,
+                                             (void(*)(pTHX_ CV *))symref,
+                                             filename, NULL,
+                                             XS_DYNAMIC_FILENAME)));
 
 char *
 dl_error()
@@ -127,4 +128,19 @@ dl_error()
     OUTPUT:
     RETVAL
 
+#if defined(USE_ITHREADS)
+
+void
+CLONE(...)
+    CODE:
+    MY_CXT_CLONE;
+
+    /* MY_CXT_CLONE just does a memcpy on the whole structure, so to avoid
+     * using Perl variables that belong to another thread, we create our 
+     * own for this thread.
+     */
+    MY_CXT.x_dl_last_error = newSVpvn("", 0);
+
+#endif
+
 # end.