add a sanity check to ensure that we don't try to wrap the debug ctx …

…twice
hpyproject · Feb 9, 2021 · 8c492e8 · 8c492e8
1 parent ed855a1
commit 8c492e8
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/hpy/debug/src/debug_ctx.c b/hpy/debug/src/debug_ctx.c
@@ -41,6 +41,10 @@ static int debug_ctx_init(HPyContext dctx, HPyContext uctx)
 HPyContext hpy_debug_get_ctx(HPyContext uctx)
 {
     HPyContext dctx = &g_debug_ctx;
+    if (uctx == dctx) {
+        HPy_FatalError(uctx, "hpy_debug_get_ctx: expected an universal ctx, "
+                             "got a debug ctx");
+    }
     if (debug_ctx_init(dctx, uctx) < 0)
         return NULL;
     return dctx;