From 0dfa1410d3bbe6eb30e2e97b8eeb2b403ac25660 Mon Sep 17 00:00:00 2001
From: Brian Anderson <banderson@mozilla.com>
Date: Thu, 17 Nov 2011 16:37:54 -0800
Subject: [PATCH] rt: Remove task::on_wakeup. Unused

---
 src/rt/rust_scheduler.cpp | 1 -
 src/rt/rust_task.cpp      | 9 ---------
 src/rt/rust_task.h        | 9 ---------
 3 files changed, 19 deletions(-)

diff --git a/src/rt/rust_scheduler.cpp b/src/rt/rust_scheduler.cpp
index cf6091818cc0..26ceb3bccb3a 100644
--- a/src/rt/rust_scheduler.cpp
+++ b/src/rt/rust_scheduler.cpp
@@ -343,7 +343,6 @@ rust_scheduler::create_task(rust_task *spawner, const char *name) {
                         task, spawner ? spawner->name : "null", name);
     if(spawner) {
         task->pin(spawner->pinned_on);
-        task->on_wakeup(spawner->_on_wakeup);
     }
 
     {
diff --git a/src/rt/rust_task.cpp b/src/rt/rust_task.cpp
index 5a05c5429eb5..a152ecb8d3b1 100644
--- a/src/rt/rust_task.cpp
+++ b/src/rt/rust_task.cpp
@@ -115,7 +115,6 @@ rust_task::rust_task(rust_scheduler *sched, rust_task_list *state,
     running_on(-1),
     pinned_on(-1),
     local_region(&sched->srv->local_region),
-    _on_wakeup(NULL),
     failed(false),
     killed(false),
     propagate_failure(true),
@@ -456,10 +455,6 @@ rust_task::wakeup(rust_cond *from) {
     cond = NULL;
     cond_name = "none";
 
-    if(_on_wakeup) {
-        _on_wakeup->on_wakeup();
-    }
-
     sched->lock.signal();
 }
 
@@ -523,10 +518,6 @@ void rust_task::unpin() {
     pinned_on = -1;
 }
 
-void rust_task::on_wakeup(rust_task::wakeup_callback *callback) {
-    _on_wakeup = callback;
-}
-
 rust_port_id rust_task::register_port(rust_port *port) {
     I(sched, !lock.lock_held_by_current_thread());
     scoped_lock with(lock);
diff --git a/src/rt/rust_task.h b/src/rt/rust_task.h
index b54387e9293e..6aa94c6b6d48 100644
--- a/src/rt/rust_task.h
+++ b/src/rt/rust_task.h
@@ -106,13 +106,6 @@ rust_task : public kernel_owned<rust_task>, rust_cond
 
     memory_region local_region;
 
-    class wakeup_callback {
-    public:
-        virtual void on_wakeup() = 0;
-    };
-
-    wakeup_callback *_on_wakeup;
-
     // Indicates that the task ended in failure
     bool failed;
     // Indicates that the task was killed and needs to unwind
@@ -189,8 +182,6 @@ rust_task : public kernel_owned<rust_task>, rust_cond
     void pin(int id);
     void unpin();
 
-    void on_wakeup(wakeup_callback *callback);
-
     rust_port_id register_port(rust_port *port);
     void release_port(rust_port_id id);
     rust_port *get_port_by_id(rust_port_id id);