File 2014-hipe_icode_coordinator-Rewrite-concurrentl... of Package erlang

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File 2014-hipe_icode_coordinator-Rewrite-concurrently.patch of Package erlang (Revision cd981196c1e7356c68f41c85890067d0)

Currently displaying revision cd981196c1e7356c68f41c85890067d0 , Show latest

From 89a6d16fa71870bf496bbe477a3f2c7854396e07 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Magnus=20L=C3=A5ng?= <margnus1@telia.com>
Date: Fri, 18 Mar 2016 12:12:58 +0100
Subject: [PATCH 04/10] hipe_icode_coordinator: Rewrite concurrently

---
 lib/hipe/icode/hipe_icode_coordinator.erl | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/lib/hipe/icode/hipe_icode_coordinator.erl b/lib/hipe/icode/hipe_icode_coordinator.erl
index d2f8748..b073954 100644
--- a/lib/hipe/icode/hipe_icode_coordinator.erl
+++ b/lib/hipe/icode/hipe_icode_coordinator.erl
@@ -106,12 +106,29 @@ handle_no_change_done(MFA, {Queue, Busy}) ->
   {Queue, Busy -- [MFA]}.
 
 last_action(PM, ServerPid, Mod, All) ->
-  lists:foreach(fun (MFA) ->
-		    gb_trees:get(MFA, PM) ! {done, final_funs(ServerPid, Mod)},
-		    receive 
-		      {done_rewrite, MFA} -> ok
-		    end
-		end, All).
+  last_action(PM, ServerPid, Mod, All, []).
+
+last_action(_, _, _, [], []) -> ok;
+last_action(PM, ServerPid, Mod, [], [MFA|Busy]) ->
+  receive
+    {done_rewrite, MFA} ->
+      last_action(PM, ServerPid, Mod, [], Busy)
+  end;
+last_action(PM, ServerPid, Mod, All0, Busy) ->
+  receive
+    {done_rewrite, MFA} ->
+      last_action(PM, ServerPid, Mod, All0, Busy -- [MFA])
+  after 0 ->
+      case ?MAX_CONCURRENT - length(Busy) of
+	X when is_integer(X), X > 0 ->
+	  [MFA|All1] = All0,
+	  gb_trees:get(MFA, PM) ! {done, final_funs(ServerPid, Mod)},
+	  last_action(PM, ServerPid, Mod, All1, [MFA|Busy]);
+	X when is_integer(X) ->
+	  Busy1 = receive {done_rewrite, MFA} -> Busy -- [MFA] end,
+	  last_action(PM, ServerPid, Mod, All0, Busy1)
+      end
+  end.
 
 restart_funs({Queue, Busy} = QB, PM, All, ServerPid) ->
   case ?MAX_CONCURRENT - length(Busy) of
-- 
2.9.3

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File 2014-hipe_icode_coordinator-Rewrite-concurrently.patch of Package erlang (Revision cd981196c1e7356c68f41c85890067d0)

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