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Diffstat (limited to 'odb/details/win32/once.ixx')
-rw-r--r-- | odb/details/win32/once.ixx | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/odb/details/win32/once.ixx b/odb/details/win32/once.ixx new file mode 100644 index 0000000..9f1706d --- /dev/null +++ b/odb/details/win32/once.ixx @@ -0,0 +1,30 @@ +// file : odb/details/win32/once.ixx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#include <odb/details/win32/lock.hxx> + +namespace odb +{ + namespace details + { + inline once:: + once () + : called_ (false) + { + } + + inline void once:: + call (void (*func) ()) + { + win32_lock l (cs_); + + if (!called_) + { + func (); + called_ = true; + } + } + } +} |