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-rw-r--r--src/core/support/stack_lockfree.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/core/support/stack_lockfree.c b/src/core/support/stack_lockfree.c
index cd0afddf9d..c18fb65ae6 100644
--- a/src/core/support/stack_lockfree.c
+++ b/src/core/support/stack_lockfree.c
@@ -99,6 +99,10 @@ gpr_stack_lockfree *gpr_stack_lockfree_create(size_t entries) {
/* Point the head at reserved dummy entry */
stack->head.contents.index = INVALID_ENTRY_INDEX;
+#ifdef GPR_ARCH_64
+ stack->head.contents.pad = 0;
+#endif
+ stack->head.contents.aba_ctr = 0;
return stack;
}
@@ -115,6 +119,10 @@ int gpr_stack_lockfree_push(gpr_stack_lockfree *stack, int entry) {
/* First fill in the entry's index and aba ctr for new head */
newhead.contents.index = (uint16_t)entry;
+#ifdef GPR_ARCH_64
+ newhead.contents.pad = 0;
+#endif
+
/* Also post-increment the aba_ctr */
curent.atm = gpr_atm_no_barrier_load(&stack->entries[entry].atm);
newhead.contents.aba_ctr = ++curent.contents.aba_ctr;