Issue #14184: Increase the default stack size for secondary threads on
Mac OS X to prevent interpreter crashes when compiled on 10.7.
diff --git a/Python/thread_pthread.h b/Python/thread_pthread.h
index 3efccf6..3cde035 100644
--- a/Python/thread_pthread.h
+++ b/Python/thread_pthread.h
@@ -19,14 +19,18 @@
#define THREAD_STACK_SIZE 0 /* use default stack size */
#endif
-#if (defined(__APPLE__) || defined(__FreeBSD__)) && defined(THREAD_STACK_SIZE) && THREAD_STACK_SIZE == 0
- /* The default stack size for new threads on OSX is small enough that
- * we'll get hard crashes instead of 'maximum recursion depth exceeded'
- * exceptions.
- *
- * The default stack size below is the minimal stack size where a
- * simple recursive function doesn't cause a hard crash.
- */
+/* The default stack size for new threads on OSX and BSD is small enough that
+ * we'll get hard crashes instead of 'maximum recursion depth exceeded'
+ * exceptions.
+ *
+ * The default stack sizes below are the empirically determined minimal stack
+ * sizes where a simple recursive function doesn't cause a hard crash.
+ */
+#if defined(__APPLE__) && defined(THREAD_STACK_SIZE) && THREAD_STACK_SIZE == 0
+#undef THREAD_STACK_SIZE
+#define THREAD_STACK_SIZE 0x500000
+#endif
+#if defined(__FreeBSD__) && defined(THREAD_STACK_SIZE) && THREAD_STACK_SIZE == 0
#undef THREAD_STACK_SIZE
#define THREAD_STACK_SIZE 0x400000
#endif