diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2010-09-10 17:26:55 +0200 |
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committer | Boris Kolpackov <boris@codesynthesis.com> | 2010-09-10 17:26:55 +0200 |
commit | a4dea80c2267f7fccbf62ae4ea3c45b0c7b2c90d (patch) | |
tree | 0d0d5d582f6b3a3fb56012d4849aa9daef6feeb4 /odb/details/win32/once.hxx | |
parent | 69848e3b70a078a5ba118f0a5ab08e1323954cb2 (diff) |
Add low-level once API that is static initialization-safe
Diffstat (limited to 'odb/details/win32/once.hxx')
-rw-r--r-- | odb/details/win32/once.hxx | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/odb/details/win32/once.hxx b/odb/details/win32/once.hxx index 05bdca2..c6c31f6 100644 --- a/odb/details/win32/once.hxx +++ b/odb/details/win32/once.hxx @@ -35,16 +35,20 @@ namespace odb once& operator= (const once&); private: - friend void - once_process_start (); - - friend void - once_process_end (bool); - - private: bool called_; - static CRITICAL_SECTION cs_; }; + + // 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_; } } |