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Diffstat (limited to 'libodb/odb/details/win32/once.hxx')
-rw-r--r-- | libodb/odb/details/win32/once.hxx | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libodb/odb/details/win32/once.hxx b/libodb/odb/details/win32/once.hxx new file mode 100644 index 0000000..45748b8 --- /dev/null +++ b/libodb/odb/details/win32/once.hxx @@ -0,0 +1,50 @@ +// file : odb/details/win32/once.hxx +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_DETAILS_WIN32_ONCE_HXX +#define ODB_DETAILS_WIN32_ONCE_HXX + +#include <odb/pre.hxx> + +#include <odb/details/win32/windows.hxx> +#include <odb/details/export.hxx> + +namespace odb +{ + namespace details + { + class LIBODB_EXPORT once + { + public: + once (); + + void + call (void (*func) ()); + + private: + once (const once&); + once& operator= (const once&); + + private: + bool called_; + }; + + // Low-level, POSIX-like API that can be used safely during static + // initialization (that is, win32_once() can be called during static + // initialization) provided once_process_start() has been called. + // + typedef unsigned int win32_once_t; + const win32_once_t WIN32_ONCE_INIT = 0; + + LIBODB_EXPORT void + win32_once (win32_once_t&, void (*func) ()); + + extern LIBODB_EXPORT CRITICAL_SECTION win32_once_cs_; + } +} + +#include <odb/details/win32/once.ixx> + +#include <odb/post.hxx> + +#endif // ODB_DETAILS_WIN32_ONCE_HXX |