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authorNed Deily <nad@acm.org>2011-05-28 00:36:12 -0700
committerNed Deily <nad@acm.org>2011-05-28 00:36:12 -0700
commit6e58400bd6ed7fab2b9f6bb1a5813ca669a3440c (patch)
treee05d213515bdd425aa2016a5cd9a802fe0d2d287 /Python/thread_pthread.h
parent6c6b8cd1304f757f555d6a23a083a72fd231f594 (diff)
parent44a75f95df9c9310c84fb5e66420166c74079cd2 (diff)
downloadcpython-6e58400bd6ed7fab2b9f6bb1a5813ca669a3440c.tar.gz
Issue #9670: Increase the default stack size for secondary threads on
Mac OS X and FreeBSD to reduce the chances of a crash instead of a "maximum recursion depth" RuntimeError exception. (patch by Ronald Oussoren)
Diffstat (limited to 'Python/thread_pthread.h')
-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 6bc9d55781..3efccf660a 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 */