TASK_WAITER_CHAIN_DEPTH 256

Author: maurycy

Lib/test/test_external_inspection.py

@@ -3809,7 +3809,8 @@ class TestFrameChainLimits(RemoteInspectionTestBase):
     """Frame chain walks abort instead of looping/overflowing on deep chains."""
 
     CHAIN_DEPTH = 1024 + 512 + 1
-    TASK_WAITER_CHAIN_DEPTH = 512 + 1
+
+    TASK_WAITER_CHAIN_DEPTH = 256 + 1
 
     def _assert_unwinder_limit_error(self, unwind, expected_substring):
         """Call unwind() until it raises the frame chain limit error.

Modules/_remote_debugging/_remote_debugging.h

@@ -148,7 +148,7 @@ typedef enum _WIN32_THREADSTATE {
 #define MAX_LONG_DIGITS 64  /* Allows values up to ~2^1920 */
 #define MAX_SET_TABLE_SIZE (1 << 20)  /* 1 million entries max for set iteration */
 #define MAX_FRAME_CHAIN_DEPTH (1024 + 512)  /* Iteration bound for frame chain walks */
-#define MAX_TASK_WAITER_CHAIN_DEPTH 512
+#define MAX_TASK_WAITER_CHAIN_DEPTH 256
 
 #ifndef MAX
 #define MAX(a, b) ((a) > (b) ? (a) : (b))