=== modified file 'storage/pbxt/src/thread_xt.cc'
--- storage/pbxt/src/thread_xt.cc	2010-09-28 13:05:45 +0000
+++ storage/pbxt/src/thread_xt.cc	2010-12-10 11:21:19 +0000
@@ -515,9 +515,10 @@
 		if (self->t_jmp_depth > 0 && self->t_jmp_depth <= XT_MAX_JMP) {
 			/* As recommended by Barry: rree the resources before the stack is invalid! */
 			thr_free_resources(self, self->t_jmp_env[self->t_jmp_depth-1].jb_res_top);
-
+			jmp_buf jb;
+			memcpy(&jb, &self->t_jmp_env[self->t_jmp_depth-1].jb_buffer, sizeof (jmp_buf));
 			/* Then do the longjmp: */
-			longjmp(self->t_jmp_env[self->t_jmp_depth-1].jb_buffer, 1);
+			longjmp(jb, 1);
 		}
 	}
 

=== modified file 'storage/pbxt/src/thread_xt.h'
--- storage/pbxt/src/thread_xt.h	2010-05-05 10:59:57 +0000
+++ storage/pbxt/src/thread_xt.h	2010-12-10 11:09:08 +0000
@@ -413,7 +413,13 @@
 #define try_(n)				TX_CHK_JMP(); \
 							(self)->t_jmp_env[(self)->t_jmp_depth].jb_res_top = (self)->t_res_top; \
 							(self)->t_jmp_env[(self)->t_jmp_depth].jb_call_top = (self)->t_call_top; \
-							(self)->t_jmp_depth++; profile_setjmp; if (setjmp((self)->t_jmp_env[(self)->t_jmp_depth-1].jb_buffer)) goto catch_##n;
+							(self)->t_jmp_depth++; profile_setjmp; \
+							{ \
+								jmp_buf jb; \
+								if(setjmp(jb)) \
+									goto catch_##n; \
+								 memcpy(&((self)->t_jmp_env[(self)->t_jmp_depth-1].jb_buffer), &jb, sizeof(jb)); \
+							}
 #define catch_(n)			(self)->t_jmp_depth--; goto cont_##n; catch_##n: (self)->t_jmp_depth--; xt_caught(self);
 #define cont_(n)			cont_##n:
 #define throw_()			xt_throw(self)