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authorNed Deily <nad@acm.org>2011-04-09 12:32:12 -0700
committerNed Deily <nad@acm.org>2011-04-09 12:32:12 -0700
commita848eb91738fc6affe9741b753a7cdea1fa8c0b5 (patch)
treed400a0c913a3993ac6d640a2ce5e79978e76bd8f /Python/thread_pthread.h
parent60fd3ab940e838a47d3e949756cd1244e1e8e645 (diff)
downloadcpython-a848eb91738fc6affe9741b753a7cdea1fa8c0b5.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 32fd2d0ef7..ffe2c7766e 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 */