Patch #1454481: Make thread stack size runtime tunable.
diff --git a/Python/thread.c b/Python/thread.c
index 5e7fc6c..dd9c3ad 100644
--- a/Python/thread.c
+++ b/Python/thread.c
@@ -94,6 +94,31 @@
PyThread__init_thread();
}
+/* Support for runtime thread stack size tuning.
+ A value of 0 means using the platform's default stack size
+ or the size specified by the THREAD_STACK_SIZE macro. */
+static size_t _pythread_stacksize = 0;
+
+size_t
+PyThread_get_stacksize(void)
+{
+ return _pythread_stacksize;
+}
+
+static int
+_pythread_unsupported_set_stacksize(size_t size)
+{
+ return PyErr_Warn(PyExc_RuntimeWarning,
+ "setting thread stack size not supported on "
+ "this platform");
+}
+
+/* Only platforms with THREAD_SET_STACKSIZE() defined in
+ pthread_<platform>.h, overriding this default definition,
+ will support changing the stack size.
+ Return 1 if an exception is pending, 0 otherwise. */
+#define THREAD_SET_STACKSIZE(x) _pythread_unsupported_set_stacksize(x)
+
#ifdef SGI_THREADS
#include "thread_sgi.h"
#endif
@@ -149,6 +174,14 @@
#endif
*/
+/* use appropriate thread stack size setting routine.
+ Return 1 if an exception is pending, 0 otherwise. */
+int
+PyThread_set_stacksize(size_t size)
+{
+ return THREAD_SET_STACKSIZE(size);
+}
+
#ifndef Py_HAVE_NATIVE_TLS
/* If the platform has not supplied a platform specific
TLS implementation, provide our own.