Author: Armin Rigo <[email protected]>
Branch: shadowstack-issue2722
Changeset: r96577:d92c072bcab5
Date: 2019-05-08 15:22 +0200
http://bitbucket.org/pypy/pypy/changeset/d92c072bcab5/
Log: Seems to work as expected, writing down a comment here after I
debugged a multi-threaded problem that doesn't exist
diff --git a/pypy/module/sys/vm.py b/pypy/module/sys/vm.py
--- a/pypy/module/sys/vm.py
+++ b/pypy/module/sys/vm.py
@@ -49,6 +49,11 @@
reserves 768KB of stack space, which should suffice (on Linux,
depending on the compiler settings) for ~1400 calls. Setting the
value to N reserves N/1000 times 768KB of stack space.
+
+Note that there are other factors that also limit the stack size.
+The operating system typically sets a maximum which can be changed
+manually (e.g. with "ulimit" on Linux) for the main thread. For other
+threads you can configure the limit by calling "threading.stack_size()".
"""
from rpython.rlib.rstack import _stack_set_length_fraction
from rpython.rlib.rgc import increase_root_stack_depth
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