From 81ac8f1ff70adb0b7a1e4625dcf237bcec83b2a4 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 10 Sep 2010 11:26:29 +0200
Subject: Add support for early destruction of TLS object

---
 odb/details/posix/tls.txx | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

(limited to 'odb/details/posix/tls.txx')

diff --git a/odb/details/posix/tls.txx b/odb/details/posix/tls.txx
index 8cc78a4..189248b 100644
--- a/odb/details/posix/tls.txx
+++ b/odb/details/posix/tls.txx
@@ -32,9 +32,7 @@ namespace odb
       if (e != 0 || error_ != 0)
         throw posix_exception (e ? e : error_);
 
-      void* v (pthread_getspecific (key_));
-
-      if (v != 0)
+      if (void* v = pthread_getspecific (key_))
         return *static_cast<T*> (v);
 
       std::auto_ptr<T> p (new T);
@@ -49,6 +47,24 @@ namespace odb
 
     template <typename T>
     void tls<T>::
+    free ()
+    {
+      int e (pthread_once (&once_, key_init));
+
+      if (e != 0 || error_ != 0)
+        throw posix_exception (e ? e : error_);
+
+      if (void* v = pthread_getspecific (key_))
+      {
+        if (e = pthread_setspecific (key_, 0))
+          throw posix_exception (e);
+
+        delete static_cast<T*> (v);
+      }
+    }
+
+    template <typename T>
+    void tls<T>::
     key_init ()
     {
       error_ = pthread_key_create (&key_, destructor);
-- 
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