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add cfail test: borrow can't escape critical sections
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tests/cfail/critical-section.rs
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50
tests/cfail/critical-section.rs
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#![deny(warnings)]
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#![feature(const_fn)]
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#![feature(proc_macro)]
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#![no_std]
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#[macro_use(task)]
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extern crate cortex_m_rtfm as rtfm;
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extern crate stm32f103xx;
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use rtfm::{app, Resource, Threshold};
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app! {
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device: stm32f103xx,
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resources: {
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static STATE: bool = false;
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},
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idle: {
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resources: [STATE],
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},
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tasks: {
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EXTI0: {
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enabled: true,
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priority: 1,
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resources: [STATE],
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},
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},
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}
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fn init(_p: init::Peripherals, _r: init::Resources) {}
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fn idle(t: &mut Threshold, r: idle::Resources) -> ! {
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let state = rtfm::atomic(|cs| {
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// ERROR borrow can't escape this *global* critical section
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r.STATE.borrow(cs) //~ error cannot infer an appropriate lifetime
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});
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let state = r.STATE.claim(t, |state, _t| {
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// ERROR borrow can't escape this critical section
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state //~ error cannot infer an appropriate lifetime
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});
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loop {}
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}
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task!(EXTI0, exti0);
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fn exti0(_t: &mut Threshold, _r: EXTI0::Resources) {}
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