Electroneum
reg_exp_definer.h
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26 
27 
28 #ifndef _REG_EXP_DEFINER_H_
29 #define _REG_EXP_DEFINER_H_
30 
31 #include <boost/interprocess/detail/atomic.hpp>
32 #include "syncobj.h"
33 
34 namespace epee
35 {
37  {
38  private:
39  mutable critical_section regexp_lock;
40  public:
42  critical_section& get_lock()const {return regexp_lock;}
43  };
44 
45  const static global_regexp_critical_section gregexplock;
46 
47 #define STATIC_REGEXP_EXPR_1(var_name, xpr_text, reg_exp_flags) \
48  static volatile uint32_t regexp_initialized_1 = 0;\
49  volatile uint32_t local_is_initialized_1 = regexp_initialized_1;\
50  if(!local_is_initialized_1)\
51  gregexplock.get_lock().lock();\
52  static const boost::regex var_name(xpr_text , reg_exp_flags);\
53  if(!local_is_initialized_1)\
54 {\
55  boost::interprocess::ipcdetail::atomic_write32(&regexp_initialized_1, 1);\
56  gregexplock.get_lock().unlock();\
57 }
58 
59 #define STATIC_REGEXP_EXPR_2(var_name, xpr_text, reg_exp_flags) \
60  static volatile uint32_t regexp_initialized_2 = 0;\
61  volatile uint32_t local_is_initialized_2 = regexp_initialized_2;\
62  if(!local_is_initialized_2)\
63  gregexplock.get_lock().lock().lock();\
64  static const boost::regex var_name(xpr_text , reg_exp_flags);\
65  if(!local_is_initialized_2)\
66 {\
67  boost::interprocess::ipcdetail::atomic_write32(&regexp_initialized_2, 1);\
68  gregexplock.get_lock().lock().unlock();\
69 }
70 
71 #define STATIC_REGEXP_EXPR_3(var_name, xpr_text, reg_exp_flags) \
72  static volatile uint32_t regexp_initialized_3 = 0;\
73  volatile uint32_t local_is_initialized_3 = regexp_initialized_3;\
74  if(!local_is_initialized_3)\
75  gregexplock.get_lock().lock().lock();\
76  static const boost::regex var_name(xpr_text , reg_exp_flags);\
77  if(!local_is_initialized_3)\
78 {\
79  boost::interprocess::ipcdetail::atomic_write32(&regexp_initialized_3, 1);\
80  gregexplock.get_lock().lock().unlock();\
81 }
82 }
83 
84 #endif //_REG_EXP_DEFINER_H_
critical_section & get_lock() const