granicus.if.org Git - icinga2/blob - lib/base/initialize.hpp

   1 /* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
   2
   3 #ifndef INITIALIZE_H
   4 #define INITIALIZE_H
   5
   6 #include "base/i2-base.hpp"
   7
   8 namespace icinga
   9 {
  10
  11 #define I2_TOKENPASTE(x, y) x ## y
  12 #define I2_TOKENPASTE2(x, y) I2_TOKENPASTE(x, y)
  13
  14 #define I2_UNIQUE_NAME(prefix) I2_TOKENPASTE2(prefix, __COUNTER__)
  15
  16 bool InitializeOnceHelper(void (*func)(), int priority = 0);
  17
  18 #define INITIALIZE_ONCE(func)                                                                   \
  19         namespace { namespace I2_UNIQUE_NAME(io) {                                                      \
  20                 bool l_InitializeOnce(icinga::InitializeOnceHelper(func));              \
  21         } }
  22
  23 #define INITIALIZE_ONCE_WITH_PRIORITY(func, priority)                                           \
  24         namespace { namespace I2_UNIQUE_NAME(io) {                                                      \
  25                 bool l_InitializeOnce(icinga::InitializeOnceHelper(func, priority));    \
  26         } }
  27 }
  28
  29 #endif /* INITIALIZE_H */