Larger update #49
@ -122,6 +122,10 @@ pub mod stdmod {
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macro_rules! sync_clonable_seq_counter_impl {
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($($ty: ident,)+) => {
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$(paste! {
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/// These sequence counters can be shared between threads and can also be
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/// configured to wrap around at specified maximum values. Please note that
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/// that the API provided by this class will not panic und [Mutex] lock errors,
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/// but it will yield 0 for the getter functions.
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#[derive(Clone, Default)]
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pub struct [<SeqCountProviderSync $ty:upper>] {
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seq_count: Arc<Mutex<$ty>>,
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@ -142,7 +146,10 @@ pub mod stdmod {
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}
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impl SequenceCountProviderCore<$ty> for [<SeqCountProviderSync $ty:upper>] {
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fn get(&self) -> $ty {
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*self.seq_count.lock().unwrap()
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match self.seq_count.lock() {
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Ok(counter) => *counter,
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Err(_) => 0
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}
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}
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fn increment(&self) {
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@ -150,14 +157,18 @@ pub mod stdmod {
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}
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fn get_and_increment(&self) -> $ty {
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let mut counter = self.seq_count.lock().unwrap();
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let current_val = *counter;
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if *counter == self.max_val {
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match self.seq_count.lock() {
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Ok(mut counter) => {
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let val = *counter;
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if val == self.max_val {
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*counter = 0;
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} else {
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*counter += 1;
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}
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current_val
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val
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}
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Err(_) => 0,
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}
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}
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}
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})+
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