Auto merge of #56 - japaric:not-send, r=japaric

make resource proxies !Send

None

.travis.yml

@@ -51,7 +51,10 @@ script:
 
 after_script: set +e
 
-cache: cargo
+cache:
+  cargo: true
+  directories:
+    - $HOME/.xargo
 before_cache:
   - chmod -R a+r $HOME/.cargo
 

examples/full-syntax.rs

 //! A showcase of the `app!` macro syntax
 #![deny(unsafe_code)]
+#![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]
 

examples/generics.rs

 //! Working with resources in a generic fashion
 #![deny(unsafe_code)]
+#![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]
 

examples/late-resources.rs

 //! Demonstrates initialization of resources in `init`.
 
 #![deny(unsafe_code)]
+#![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]
 

examples/nested.rs

@@ -3,6 +3,7 @@
 //! If you run this program you'll hit the breakpoints as indicated by the
 //! letters in the comments: A, then B, then C, etc.
 #![deny(unsafe_code)]
+#![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]
 

examples/one-task.rs

 //! An application with one task
 #![deny(unsafe_code)]
+#![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]
 

examples/preemption.rs

 //! Two tasks running at *different* priorities with access to the same resource
 #![deny(unsafe_code)]
+#![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]
 

examples/two-tasks.rs

 //! Two tasks running at the *same* priority with access to the same resource
 #![deny(unsafe_code)]
+#![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]
 

examples/zero-tasks.rs

 //! Minimal example with zero tasks
 #![deny(unsafe_code)]
+#![deny(warnings)]
 // IMPORTANT always include this feature gate
 #![feature(proc_macro)]
 #![no_std]

macros/src/trans.rs

@@ -438,12 +438,14 @@ fn resources(app: &App, ownerships: &Ownerships, root: &mut Vec<Tokens>) {
 
                 items.push(quote! {
                     #[allow(non_camel_case_types)]
-                    pub struct #name { _0: () }
+                    pub struct #name { _0: PhantomData<*const ()> }
+
+                    unsafe impl Sync for #name {}
 
                     #[allow(unsafe_code)]
                     impl #name {
                         pub unsafe fn new() -> Self {
-                            #name { _0: () }
+                            #name { _0: PhantomData }
                         }
                     }
                 });
@@ -455,6 +457,8 @@ fn resources(app: &App, ownerships: &Ownerships, root: &mut Vec<Tokens>) {
         root.push(quote! {
             #[allow(unsafe_code)]
             mod _resource {
+                use core::marker::PhantomData;
+
                 #(#items)*
             }
         })

tests/cfail/critical-section.rs

+#![deny(unsafe_code)]
 #![deny(warnings)]
 #![feature(const_fn)]
 #![feature(proc_macro)]

tests/cfail/duplicated-task.rs

+#![deny(unsafe_code)]
 #![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]

tests/cfail/exception.rs

+#![deny(unsafe_code)]
 #![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]

tests/cfail/idle.rs

+#![deny(unsafe_code)]
 #![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]

tests/cfail/init.rs

+#![deny(unsafe_code)]
 #![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]

tests/cfail/interrupt.rs

+#![deny(unsafe_code)]
 #![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]

tests/cfail/late-resource-init.rs

+#![deny(unsafe_code)]
 #![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]

tests/cfail/lock.rs

+#![deny(unsafe_code)]
 #![deny(warnings)]
 #![feature(const_fn)]
 #![feature(proc_macro)]

tests/cfail/peripheral-alias.rs

+#![deny(unsafe_code)]
 #![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]

tests/cfail/priority-too-high.rs

+#![deny(unsafe_code)]
 #![deny(warnings)]
 #![feature(proc_macro)]
 #![no_std]