Terminate waiting threads if coming off failed load phase

In this case the build state may no longer be valid.

1 files changed, 0 insertions, 80 deletions

diff --git a/build2/context.ixx b/build2/context.ixx
index aee7e32..2e878d0 100644
--- a/build2/context.ixx
+++ b/build2/context.ixx
@@ -4,86 +4,6 @@
 
 namespace build2
 {
-  // phase_lock
-  //
-  inline phase_lock::
-  phase_lock (run_phase p)
-      : p (p)
-  {
-    if (phase_lock* l = instance)
-      assert (l->p == p);
-    else
-    {
-      phase_mutex::instance.lock (p);
-      instance = this;
-
-      //text << this_thread::get_id () << " phase acquire " << p;
-    }
-  }
-
-  inline phase_lock::
-  ~phase_lock ()
-  {
-    if (instance == this)
-    {
-      instance = nullptr;
-      phase_mutex::instance.unlock (p);
-
-      //text << this_thread::get_id () << " phase release " << p;
-    }
-  }
-
-  // phase_unlock
-  //
-  inline phase_unlock::
-  phase_unlock (bool u)
-      : l (u ? phase_lock::instance : nullptr)
-  {
-    if (u)
-    {
-      phase_lock::instance = nullptr;
-      phase_mutex::instance.unlock (l->p);
-
-      //text << this_thread::get_id () << " phase unlock  " << l->p;
-    }
-  }
-
-  inline phase_unlock::
-  ~phase_unlock ()
-  {
-    if (l != nullptr)
-    {
-      phase_mutex::instance.lock (l->p);
-      phase_lock::instance = l;
-
-      //text << this_thread::get_id () << " phase lock    " << l->p;
-    }
-  }
-
-  // phase_switch
-  //
-  inline phase_switch::
-  phase_switch (run_phase n)
-      : o (phase), n (n)
-  {
-    phase_mutex::instance.relock (o, n);
-    phase_lock::instance->p = n;
-
-    if (n == run_phase::load) // Note: load lock is exclusive.
-      load_generation++;
-
-    //text << this_thread::get_id () << " phase switch  " << o << " " << n;
-  }
-
-  inline phase_switch::
-  ~phase_switch ()
-  {
-    phase_mutex::instance.relock (n, o);
-    phase_lock::instance->p = o;
-
-    //text << this_thread::get_id () << " phase restore " << n << " " << o;
-  }
-
   // wait_guard
   //
   inline wait_guard::