diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2010-08-18 17:51:09 +0200 |
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committer | Boris Kolpackov <boris@codesynthesis.com> | 2010-08-18 17:51:09 +0200 |
commit | acb656e605d91971ee4014da66be1b7ba6201ac3 (patch) | |
tree | 96bd2145eafe938647c6d510d58dc217a22344c7 /odb/details/lock.hxx | |
parent | d8b70727fdda5c1de19736724809e76e060b417e (diff) |
Add multi-threading primitives
Currently only the pthread-based implementation is present.
Diffstat (limited to 'odb/details/lock.hxx')
-rw-r--r-- | odb/details/lock.hxx | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/odb/details/lock.hxx b/odb/details/lock.hxx new file mode 100644 index 0000000..0ee5a6d --- /dev/null +++ b/odb/details/lock.hxx @@ -0,0 +1,46 @@ +// file : odb/details/lock.hxx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_DETAILS_LOCK_HXX +#define ODB_DETAILS_LOCK_HXX + +#include <odb/details/posix/mutex.hxx> + +namespace odb +{ + namespace details + { + struct lock + { + lock (mutex& m) + : mutex_ (m), locked_ (true) + { + mutex_.lock (); + } + + ~lock () + { + if (locked_) + mutex_.unlock (); + } + + void + unlock () + { + if (locked_) + { + mutex_.unlock (); + locked_ = true; + } + } + + private: + mutex& mutex_; + bool locked_; + }; + } +} + +#endif // ODB_DETAILS_LOCK_HXX |