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-rw-r--r--Python/thread_pthread.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/Python/thread_pthread.h b/Python/thread_pthread.h
index ef49a30849..44e2552a8a 100644
--- a/Python/thread_pthread.h
+++ b/Python/thread_pthread.h
@@ -18,6 +18,18 @@
#ifndef THREAD_STACK_SIZE
#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.
+ */
+#undef THREAD_STACK_SIZE
+#define THREAD_STACK_SIZE 0x400000
+#endif
/* for safety, ensure a viable minimum stacksize */
#define THREAD_STACK_MIN 0x8000 /* 32kB */
#else /* !_POSIX_THREAD_ATTR_STACKSIZE */