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author | Karen Arutyunov <karen@codesynthesis.com> | 2024-01-24 16:53:38 +0300 |
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committer | Karen Arutyunov <karen@codesynthesis.com> | 2024-01-24 16:53:38 +0300 |
commit | 26e36b3a9d7b49d46ecfa69b447482251acba8ac (patch) | |
tree | 5436b7857fae9aee50d018ea0eef35a529fc03e4 /libodb/odb/details/win32/once.ixx | |
parent | 0074faad1b27f3cd52a606c438e4f1375956d731 (diff) |
Turn libodb repository into package for muti-package repositorylibodb
Diffstat (limited to 'libodb/odb/details/win32/once.ixx')
-rw-r--r-- | libodb/odb/details/win32/once.ixx | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libodb/odb/details/win32/once.ixx b/libodb/odb/details/win32/once.ixx new file mode 100644 index 0000000..1638706 --- /dev/null +++ b/libodb/odb/details/win32/once.ixx @@ -0,0 +1,42 @@ +// file : odb/details/win32/once.ixx +// license : GNU GPL v2; see accompanying LICENSE file + +#include <odb/details/win32/lock.hxx> + +namespace odb +{ + namespace details + { + inline void + win32_once (win32_once_t& o, void (*func) ()) + { + win32_lock l (win32_once_cs_); + + if (o == 0) + { + o = 1; + l.unlock (); + func (); + } + } + + inline once:: + once () + : called_ (false) + { + } + + inline void once:: + call (void (*func) ()) + { + win32_lock l (win32_once_cs_); + + if (!called_) + { + called_ = true; + l.unlock (); + func (); + } + } + } +} |