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[3.7] bpo-36734: Fix compilation of faulthandler.c on HP-UX (GH-12970) #13027

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Merged
miss-islington merged 1 commit into from
Apr 30, 2019
Merged

[3.7] bpo-36734: Fix compilation of faulthandler.c on HP-UX (GH-12970) #13027

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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Library/2019-04-26-17-14-20.bpo-36734.p2MaiN.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Fix compilation of ``faulthandler.c`` on HP-UX. Initialize ``stack_t
current_stack`` to zero using ``memset()``.
3 changes: 2 additions & 1 deletion Modules/faulthandler.c
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Expand Up @@ -1369,7 +1369,8 @@ void _PyFaulthandler_Fini(void)
#ifdef HAVE_SIGALTSTACK
if (stack.ss_sp != NULL) {
/* Fetch the current alt stack */
stack_t current_stack = {};
stack_t current_stack;
memset(&current_stack, 0, sizeof(current_stack));
if (sigaltstack(NULL, &current_stack) == 0) {
if (current_stack.ss_sp == stack.ss_sp) {
/* The current alt stack is the one that we installed.
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