Rename TCB to Taskgroup

Author: bblum

src/libstd/rt/task.rs

@@ -27,7 +27,7 @@ use super::local_heap::LocalHeap;
 use rt::sched::{Scheduler, SchedHandle};
 use rt::stack::{StackSegment, StackPool};
 use rt::context::Context;
-use task::spawn::TCB;
+use task::spawn::Taskgroup;
 use cell::Cell;
 
 pub struct Task {
@@ -37,7 +37,7 @@ pub struct Task {
     logger: StdErrLogger,
     unwinder: Unwinder,
     home: Option<SchedHome>,
-    taskgroup: Option<TCB>,
+    taskgroup: Option<Taskgroup>,
     death: Death,
     destroyed: bool,
     coroutine: Option<~Coroutine>

src/libstd/task/spawn.rs

@@ -338,7 +338,7 @@ fn each_ancestor(list:        &mut AncestorList,
 }
 
 // One of these per task.
-pub struct TCB {
+pub struct Taskgroup {
     // List of tasks with whose fates this one's is intertwined.
     tasks:      TaskGroupArc, // 'none' means the group has failed.
     // Lists of tasks who will kill us if they fail, but whom we won't kill.
@@ -347,12 +347,12 @@ pub struct TCB {
     notifier:   Option<AutoNotify>,
 }
 
-impl Drop for TCB {
+impl Drop for Taskgroup {
     // Runs on task exit.
     fn drop(&self) {
         unsafe {
             // FIXME(#4330) Need self by value to get mutability.
-            let this: &mut TCB = transmute(self);
+            let this: &mut Taskgroup = transmute(self);
 
             // If we are failing, the whole taskgroup needs to die.
             do RuntimeGlue::with_task_handle_and_failing |me, failing| {
@@ -382,15 +382,15 @@ impl Drop for TCB {
     }
 }
 
-pub fn TCB(tasks: TaskGroupArc,
+pub fn Taskgroup(tasks: TaskGroupArc,
        ancestors: AncestorList,
        is_main: bool,
-       mut notifier: Option<AutoNotify>) -> TCB {
+       mut notifier: Option<AutoNotify>) -> Taskgroup {
     for notifier.mut_iter().advance |x| {
         x.failed = false;
     }
 
-    TCB {
+    Taskgroup {
         tasks: tasks,
         ancestors: ancestors,
         is_main: is_main,
@@ -488,11 +488,11 @@ fn kill_taskgroup(state: TaskGroupInner, me: &TaskHandle, is_main: bool) {
 // FIXME (#2912): Work around core-vs-coretest function duplication. Can't use
 // a proper closure because the #[test]s won't understand. Have to fake it.
 #[cfg(not(stage0))]
-fn taskgroup_key() -> local_data::Key<@@mut TCB> {
+fn taskgroup_key() -> local_data::Key<@@mut Taskgroup> {
     unsafe { cast::transmute(-2) }
 }
 #[cfg(stage0)]
-fn taskgroup_key() -> local_data::Key<@@mut TCB> {
+fn taskgroup_key() -> local_data::Key<@@mut Taskgroup> {
     unsafe { cast::transmute((-2, 0)) }
 }
 
@@ -540,7 +540,7 @@ impl RuntimeGlue {
         }
     }
 
-    fn with_my_taskgroup<U>(blk: &fn(&TCB) -> U) -> U {
+    fn with_my_taskgroup<U>(blk: &fn(&Taskgroup) -> U) -> U {
         match context() {
             OldTaskContext => unsafe {
                 let me = rt::rust_get_task();
@@ -555,7 +555,8 @@ impl RuntimeGlue {
                                 descendants: TaskSet::new(),
                             }));
                             // Main task/group has no ancestors, no notifier, etc.
-                            let group = @@mut TCB(tasks, AncestorList(None), true, None);
+                            let group = @@mut Taskgroup(tasks, AncestorList(None),
+                                                        true, None);
                             local_set(OldHandle(me), taskgroup_key(), group);
                             blk(&**group)
                         }
@@ -577,7 +578,7 @@ impl RuntimeGlue {
                             members: members,
                             descendants: TaskSet::new(),
                         }));
-                        let group = TCB(tasks, AncestorList(None), true, None);
+                        let group = Taskgroup(tasks, AncestorList(None), true, None);
                         (*me).taskgroup = Some(group);
                         (*me).taskgroup.get_ref()
                     }
@@ -683,7 +684,7 @@ fn spawn_raw_newsched(mut opts: TaskOpts, f: ~fn()) {
             if enlist_many(NewTask(handle), &child_tg, &mut ancestors) {
                 // Got in. We can run the provided child body, and can also run
                 // the taskgroup's exit-time-destructor afterward.
-                me.taskgroup = Some(TCB(child_tg, ancestors, is_main, None));
+                me.taskgroup = Some(Taskgroup(child_tg, ancestors, is_main, None));
                 true
             } else {
                 false
@@ -781,7 +782,7 @@ fn spawn_raw_oldsched(mut opts: TaskOpts, f: ~fn()) {
             let notifier = notify_chan.map_consume(|c| AutoNotify(c));
 
             if enlist_many(OldTask(child), &child_arc, &mut ancestors) {
-                let group = @@mut TCB(child_arc, ancestors, is_main, notifier);
+                let group = @@mut Taskgroup(child_arc, ancestors, is_main, notifier);
                 unsafe {
                     local_set(OldHandle(child), taskgroup_key(), group);
                 }