1 files changed, 94 insertions, 0 deletions
diff --git a/debian/patches/use__ATOMIC_SEQ_CST.patch b/debian/patches/use__ATOMIC_SEQ_CST.patch
new file mode 100644
index 00000000..59f1f9bc
--- /dev/null
+++ b/debian/patches/use__ATOMIC_SEQ_CST.patch
@@ -0,0 +1,94 @@
+diff --git a/include/refcount.h b/include/refcount.h
+index 5bb9660..68fb8fc 100644
+--- a/include/refcount.h
++++ b/include/refcount.h
+@@ -50,7 +50,7 @@ static inline unsigned int
+ refcount_unsafe_ref (refcount_t *ref)
+ {
+   unsigned int r;
+-  r = __atomic_add_fetch (ref, 1, __ATOMIC_RELAXED);
++  r = __atomic_add_fetch (ref, 1, __ATOMIC_SEQ_CST);
+   assert (r != UINT_MAX || !"refcount overflowed!");
+   return r;
+ }
+@@ -74,7 +74,7 @@ static inline unsigned int
+ refcount_deref (refcount_t *ref)
+ {
+   unsigned int r;
+-  r = __atomic_sub_fetch (ref, 1, __ATOMIC_RELAXED);
++  r = __atomic_sub_fetch (ref, 1, __ATOMIC_SEQ_CST);
+   assert (r != UINT_MAX || !"refcount underflowed!");
+   return r;
+ }
+@@ -84,7 +84,7 @@ refcount_deref (refcount_t *ref)
+ static inline unsigned int
+ refcount_references (refcount_t *ref)
+ {
+-  return __atomic_load_n (ref, __ATOMIC_RELAXED);
++  return __atomic_load_n (ref, __ATOMIC_SEQ_CST);
+ }
+ 
+ /* Reference counting with weak references.  */
+@@ -140,7 +140,7 @@ refcounts_unsafe_ref (refcounts_t *ref, struct references *result)
+ {
+   const union _references op = { .references = { .hard = 1 } };
+   union _references r;
+-  r.value = __atomic_add_fetch (&ref->value, op.value, __ATOMIC_RELAXED);
++  r.value = __atomic_add_fetch (&ref->value, op.value, __ATOMIC_SEQ_CST);
+   assert (r.references.hard != UINT32_MAX || !"refcount overflowed!");
+   if (result)
+     *result = r.references;
+@@ -170,7 +170,7 @@ refcounts_deref (refcounts_t *ref, struct references *result)
+ {
+   const union _references op = { .references = { .hard = 1 } };
+   union _references r;
+-  r.value = __atomic_sub_fetch (&ref->value, op.value, __ATOMIC_RELAXED);
++  r.value = __atomic_sub_fetch (&ref->value, op.value, __ATOMIC_SEQ_CST);
+   assert (r.references.hard != UINT32_MAX || !"refcount underflowed!");
+   if (result)
+     *result = r.references;
+@@ -200,7 +200,7 @@ refcounts_promote (refcounts_t *ref, struct references *result)
+   const union _references op =
+     { .references = { .weak = ~0U, .hard = 1} };
+   union _references r;
+-  r.value = __atomic_add_fetch (&ref->value, op.value, __ATOMIC_RELAXED);
++  r.value = __atomic_add_fetch (&ref->value, op.value, __ATOMIC_SEQ_CST);
+   assert (r.references.hard != UINT32_MAX || !"refcount overflowed!");
+   assert (r.references.weak != UINT32_MAX || !"refcount underflowed!");
+   if (result)
+@@ -228,7 +228,7 @@ refcounts_demote (refcounts_t *ref, struct references *result)
+      operation.  */
+   const union _references op = { .references = { .hard = ~0U } };
+   union _references r;
+-  r.value = __atomic_add_fetch (&ref->value, op.value, __ATOMIC_RELAXED);
++  r.value = __atomic_add_fetch (&ref->value, op.value, __ATOMIC_SEQ_CST);
+   assert (r.references.hard != UINT32_MAX || !"refcount underflowed!");
+   assert (r.references.weak != UINT32_MAX || !"refcount overflowed!");
+   if (result)
+@@ -248,7 +248,7 @@ refcounts_unsafe_ref_weak (refcounts_t *ref, struct references *result)
+ {
+   const union _references op = { .references = { .weak = 1 } };
+   union _references r;
+-  r.value = __atomic_add_fetch (&ref->value, op.value, __ATOMIC_RELAXED);
++  r.value = __atomic_add_fetch (&ref->value, op.value, __ATOMIC_SEQ_CST);
+   assert (r.references.weak != UINT32_MAX || !"refcount overflowed!");
+   if (result)
+     *result = r.references;
+@@ -278,7 +278,7 @@ refcounts_deref_weak (refcounts_t *ref, struct references *result)
+ {
+   const union _references op = { .references = { .weak = 1 } };
+   union _references r;
+-  r.value = __atomic_sub_fetch (&ref->value, op.value, __ATOMIC_RELAXED);
++  r.value = __atomic_sub_fetch (&ref->value, op.value, __ATOMIC_SEQ_CST);
+   assert (r.references.weak != UINT32_MAX || !"refcount underflowed!");
+   if (result)
+     *result = r.references;
+@@ -291,7 +291,7 @@ static inline void
+ refcounts_references (refcounts_t *ref, struct references *result)
+ {
+   union _references r;
+-  r.value =__atomic_load_n (&ref->value, __ATOMIC_RELAXED);
++  r.value =__atomic_load_n (&ref->value, __ATOMIC_SEQ_CST);
+   *result = r.references;
+ }
+