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authorNed Deily <nad@acm.org>2011-04-09 19:32:12 (GMT)
committerNed Deily <nad@acm.org>2011-04-09 19:32:12 (GMT)
commit517ac72b00f34ce6fc00ea79997d5bf9464401b1 (patch)
tree860d5f1eb22f1d80e3af4e1d43e4c0d30e5aedaf /Python
parente620d1070192ef85f2520e9f60cdbde2adb4d465 (diff)
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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')
-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 32fd2d0..ffe2c77 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 0x100000
+#endif
/* for safety, ensure a viable minimum stacksize */
#define THREAD_STACK_MIN 0x8000 /* 32kB */
#else /* !_POSIX_THREAD_ATTR_STACKSIZE */