From 4c4887d26011225deaa20b6752193be0293624ab Mon Sep 17 00:00:00 2001
From: Scott Graham <scottmg@chromium.org>
Date: Fri, 24 Apr 2015 16:06:55 -0700
Subject: [PATCH] avoid calling ResumeDelayedJobs instead

---
 src/build.cc | 13 +++++++------
 src/build.h  |  2 +-
 src/state.h  |  3 ---
 3 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/src/build.cc b/src/build.cc
index f14831e..e266b5c 100644
--- a/src/build.cc
+++ b/src/build.cc
@@ -379,7 +379,7 @@ void Plan::ResumeDelayedJobs(Edge* edge) {
   edge->pool()->RetrieveReadyEdges(&ready_);
 }
 
-void Plan::EdgeFinished(Edge* edge) {
+void Plan::EdgeFinished(Edge* edge, bool directly_wanted) {
   map<Edge*, bool>::iterator e = want_.find(edge);
   assert(e != want_.end());
   if (e->second)
@@ -388,7 +388,10 @@ void Plan::EdgeFinished(Edge* edge) {
   edge->outputs_ready_ = true;
 
   // See if this job frees up any delayed jobs
-  ResumeDelayedJobs(edge);
+  if (directly_wanted)
+    ResumeDelayedJobs(edge);
+  else
+    edge->pool()->RetrieveReadyEdges(&ready_);
 
   // Check off any nodes we were waiting for with this edge.
   for (vector<Node*>::iterator o = edge->outputs_.begin();
@@ -411,10 +414,8 @@ void Plan::NodeFinished(Node* node) {
         ScheduleWork(*oe);
       } else {
         // We do not need to build this edge, but we might need to build one of
-        // its dependents. Make sure the pool schedules it before it's finished
-        // otherwise the pool use count may be invalid.
-        (*oe)->pool()->EdgeScheduled(**oe);
-        EdgeFinished(*oe);
+        // its dependents.
+        EdgeFinished(*oe, want_e->second);
       }
     }
   }
diff --git a/src/build.h b/src/build.h
index 4b48c5f..6eabae5 100644
--- a/src/build.h
+++ b/src/build.h
@@ -58,7 +58,7 @@ struct Plan {
 
   /// Mark an edge as done building.  Used internally and by
   /// tests.
-  void EdgeFinished(Edge* edge);
+  void EdgeFinished(Edge* edge, bool directly_wanted = true);
 
   /// Clean the given node during the build.
   /// Return false on error.
diff --git a/src/state.h b/src/state.h
index 58fac13..d7987ba 100644
--- a/src/state.h
+++ b/src/state.h
@@ -71,9 +71,6 @@ struct Pool {
 
   /// |current_use_| is the total of the weights of the edges which are
   /// currently scheduled in the Plan (i.e. the edges in Plan::ready_).
-  /// This is generally <= to depth_. It can exceed it very briefly when the
-  /// pool is notified about an edge that's about to be finished that will
-  /// not actually be started. See Plan::NodeFinished().
   int current_use_;
   int depth_;
 
-- 
2.7.4