rt: Convert rust_task_list to a typedef

mk/rt.mk

@@ -45,7 +45,6 @@ RUNTIME_CS_$(1) := \
               rt/rust_scheduler.cpp \
               rt/rust_task.cpp \
               rt/rust_stack.cpp \
-              rt/rust_task_list.cpp \
               rt/rust_port.cpp \
               rt/rust_upcall.cpp \
               rt/rust_uv.cpp \
@@ -83,7 +82,6 @@ RUNTIME_HDR_$(1) := rt/globals.h \
                rt/rust_shape.h \
                rt/rust_task.h \
                rt/rust_stack.h \
-               rt/rust_task_list.h \
                rt/rust_log.h \
                rt/rust_port_selector.h \
                rt/circular_buffer.h \

src/rt/rust_internal.h

@@ -145,8 +145,6 @@ template <typename T> struct region_owned {
     }
 };
 
-#include "rust_task_list.h"
-
 // A cond(ition) is something we can block on. This can be a channel
 // (writing), a port (reading) or a task (waiting).
 

src/rt/rust_task_list.cpp

@@ -1,15 +0,0 @@
-#include "rust_internal.h"
-
-rust_task_list::rust_task_list (rust_task_thread *thread) :
-    thread(thread) {
-}
-
-void
-rust_task_list::delete_all() {
-    DLOG(thread, task, "deleting all tasks");
-    while (is_empty() == false) {
-        rust_task *task = pop_value();
-        DLOG(thread, task, "deleting task " PTR, task);
-        delete task;
-    }
-}

src/rt/rust_task_list.h

@@ -1,16 +0,0 @@
-// -*- c++ -*-
-#ifndef RUST_TASK_LIST_H
-#define RUST_TASK_LIST_H
-
-/**
- * Used to indicate the state of a rust task.
- */
-class rust_task_list : public indexed_list<rust_task>,
-                       public kernel_owned<rust_task_list> {
-public:
-    rust_task_thread *thread;
-    rust_task_list (rust_task_thread *thread);
-    void delete_all();
-};
-
-#endif /* RUST_TASK_LIST_H */

src/rt/rust_task_thread.cpp

@@ -27,10 +27,6 @@ rust_task_thread::rust_task_thread(rust_scheduler *sched,
     id(id),
     should_exit(false),
     cached_c_stack(NULL),
-    newborn_tasks(this),
-    running_tasks(this),
-    blocked_tasks(this),
-    dead_tasks(this),
     kernel(sched->kernel),
     sched(sched),
     srv(srv),
@@ -47,15 +43,6 @@ rust_task_thread::rust_task_thread(rust_scheduler *sched,
         init_tls();
 }
 
-rust_task_thread::~rust_task_thread() {
-    DLOG(this, dom, "~rust_task_thread %s @0x%" PRIxPTR, name, (uintptr_t)this);
-
-    newborn_tasks.delete_all();
-    running_tasks.delete_all();
-    blocked_tasks.delete_all();
-    dead_tasks.delete_all();
-}
-
 void
 rust_task_thread::activate(rust_task *task) {
     task->ctx.next = &c_context;

src/rt/rust_task_thread.h

@@ -19,6 +19,8 @@ enum rust_task_state {
     task_state_dead
 };
 
+typedef indexed_list<rust_task> rust_task_list;
+
 struct rust_task_thread : public kernel_owned<rust_task_thread>,
                         rust_thread
 {
@@ -80,7 +82,6 @@ public:
     // Only a pointer to 'name' is kept, so it must live as long as this
     // domain.
     rust_task_thread(rust_scheduler *sched, rust_srv *srv, int id);
-    ~rust_task_thread();
     void activate(rust_task *task);
     void log(rust_task *task, uint32_t level, char const *fmt, ...);
     rust_log & get_log();