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prepare for #6160

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The idea is to set _concurrent_dec_ref from the API
(function not yet provided externally, but you can experiment with it by setting the default of m_concurrent_dec_ref to true).
It then provides concurrency support for dec_ref operations.
This commit is contained in:
Nikolaj Bjorner 2022-07-15 03:53:15 -07:00
parent b29cdca936
commit 6688c1d62a
3 changed files with 57 additions and 8 deletions
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8
src/api/api_context.h
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@ -91,8 +91,11 @@ namespace api {
smt_params m_fparams;
// -------------------------------
ast_ref_vector m_ast_trail;
bool m_concurrent_dec_ref = false;
ptr_vector<ast> m_asts_to_flush, m_asts_to_flush2;
ptr_vector<api::object> m_objects_to_flush, m_objects_to_flush2;
ast_ref_vector m_ast_trail;
ref<api::object> m_last_obj; //!< reference to the last API object returned by the APIs
u_map<api::object*> m_allocated_objects; // !< table containing current set of allocated API objects
unsigned_vector m_free_object_ids; // !< free list of identifiers available for allocated objects.
@ -170,8 +173,11 @@ namespace api {
void set_error_code(Z3_error_code err, std::string &&opt_msg);
void set_error_handler(Z3_error_handler h) { m_error_handler = h; }
void set_concurrent_dec_ref() { m_concurrent_dec_ref = true; }
unsigned add_object(api::object* o);
void del_object(api::object* o);
void dec_ref(ast* a);
void flush_objects();
Z3_ast_print_mode get_print_mode() const { return m_print_mode; }
void set_print_mode(Z3_ast_print_mode m) { m_print_mode = m; }