From acb656e605d91971ee4014da66be1b7ba6201ac3 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 18 Aug 2010 17:51:09 +0200
Subject: Add multi-threading primitives

Currently only the pthread-based implementation is present.
---
 odb/details/posix/thread.cxx | 47 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 odb/details/posix/thread.cxx

(limited to 'odb/details/posix/thread.cxx')

diff --git a/odb/details/posix/thread.cxx b/odb/details/posix/thread.cxx
new file mode 100644
index 0000000..52ab6e9
--- /dev/null
+++ b/odb/details/posix/thread.cxx
@@ -0,0 +1,47 @@
+// file      : odb/details/posix/thread.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#include <memory> // std::auto_ptr
+
+#include <odb/details/posix/thread.hxx>
+#include <odb/details/posix/exceptions.hxx>
+
+typedef void* (*thread_func) (void*);
+
+struct thread_data
+{
+  thread_func func;
+  void* arg;
+};
+
+extern "C" void*
+odb_thread_thunk (void* arg)
+{
+  thread_data* data (static_cast<thread_data*> (arg));
+  thread_func func = data->func;
+  arg = data->arg;
+  delete data;
+  return func (arg);
+}
+
+namespace odb
+{
+  namespace details
+  {
+    thread::
+    thread (void* (*func) (void*), void* arg)
+        : detached_ (false)
+    {
+      std::auto_ptr<thread_data> data (new thread_data);
+      data->func = func;
+      data->arg = arg;
+
+      if (int e = pthread_create (&id_, 0, &odb_thread_thunk, data.get ()))
+        throw posix_exception (e);
+
+      data.release (); // Thread thunk will free this.
+    }
+  }
+}
-- 
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