py: update thread_stacksize1.py

koxudaxi · koxudaxi · commit e6d3d25ab8e3 · 2025-06-29T12:59:55.000Z
Signed-off-by: Koudai Aono &lt;koxudaxi@gmail.com&gt;
diff --git a/tests/thread/thread_stacksize1.py b/tests/thread/thread_stacksize1.py
@@ -5,9 +5,27 @@
 import sys
 import _thread
 
+# Check if we need a larger stack for sanitizer builds
+def needs_big_stack():
+    try:
+        import os
+        # Unix/Windows with potential sanitizer builds
+        if hasattr(os, "name") and os.name in ("posix", "nt"):
+            # Check for sanitizer environment variables (used in CI)
+            if hasattr(os, "environ"):
+                return any(k in os.environ for k in ("UBSAN_OPTIONS", "ASAN_OPTIONS"))
+        # Emscripten/WebAssembly builds
+        if hasattr(sys, "platform") and sys.platform == "emscripten":
+            return True
+    except:
+        pass
+    return False
+
 # different implementations have different minimum sizes
 if sys.implementation.name == "micropython":
-    sz = 2 * 1024
+    # Sanitizer builds need larger stack (32KB) due to extra margins
+    # MCU and normal builds can use smaller stack (2KB)
+    sz = 32 * 1024 if needs_big_stack() else 2 * 1024
 else:
     sz = 512 * 1024
 
