machine/c_api.hpp

   1 #ifndef RBX_C_API_HPP
   2 #define RBX_C_API_HPP
   3
   4 #include "memory.hpp"
   5 #include "spinlock.hpp"
   6
   7 #include "class/native_method.hpp"
   8
   9 #include "capi/capi_constants.h"
  10
  11 #include <mutex>
  12 #include <unordered_map>
  13 #include <unordered_set>
  14 #include <vector>
  15
  16 namespace rubinius {
  17   class C_API {
  18   public:
  19     typedef std::unordered_set<std::string> CApiBlackList;
  20     typedef std::vector<std::mutex*> CApiLocks;
  21     typedef std::unordered_map<std::string, int> CApiLockMap;
  22
  23     typedef std::vector<std::string> CApiConstantNameMap;
  24     typedef std::unordered_map<int, MemoryHandle*> CApiConstantHandleMap;
  25
  26   private:
  27     CApiConstantNameMap capi_constant_name_map_;
  28     CApiConstantHandleMap capi_constant_map_;
  29     CApiBlackList capi_black_list_;
  30     CApiLocks capi_locks_;
  31     CApiLockMap capi_lock_map_;
  32
  33     bool use_capi_lock_;
  34
  35     locks::spinlock_mutex capi_ds_lock_;
  36     locks::spinlock_mutex capi_locks_lock_;
  37     locks::spinlock_mutex capi_constant_lock_;
  38
  39   public:
  40     C_API();
  41     virtual ~C_API() { }
  42
  43     void after_fork_child(STATE);
  44
  45     void set_use_capi_lock(bool s) {
  46       use_capi_lock_ = s;
  47     }
  48
  49     locks::spinlock_mutex& capi_ds_lock() {
  50       return capi_ds_lock_;
  51     }
  52
  53     locks::spinlock_mutex& capi_constant_lock() {
  54       return capi_constant_lock_;
  55     }
  56
  57     int capi_lock_index(std::string name);
  58
  59     void enter_capi(STATE, const char* file, int line);
  60     void leave_capi(STATE);
  61
  62     void setup_capi_constant_names();
  63     CApiConstantNameMap& capi_constant_name_map() {
  64       return capi_constant_name_map_;
  65     }
  66
  67     CApiConstantHandleMap& capi_constant_map() {
  68       return capi_constant_map_;
  69     }
  70
  71     void initialize_capi_black_list();
  72   };
  73 }
  74
  75 #endif