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Code Issues Projects Releases Packages Wiki Activity Actions 24

vlib: replace all goto statements with labelled break (#8531)

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Nick Treleaven 2021-02-03 14:19:42 +00:00 • committed by GitHub
parent 7ec116d588
commit 82482167ce
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 16 additions and 18 deletions
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12
vlib/sync/channels.v
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@ -563,6 +563,7 @@ pub fn channel_select(mut channels []&Channel, dir []Direction, mut objrefs []vo
}
stopwatch := if timeout <= 0 { time.StopWatch{} } else { time.new_stopwatch({}) }
mut event_idx := -1 // negative index means `timed out`
outer:
for {
rnd := rand.u32_in_range(0, u32(channels.len))
mut num_closed := 0
@ -575,7 +576,7 @@ pub fn channel_select(mut channels []&Channel, dir []Direction, mut objrefs []vo
stat := channels[i].try_push_priv(objrefs[i], true)
if stat == .success {
event_idx = i
goto restore
break outer
} else if stat == .closed {
num_closed++
}
@ -583,7 +584,7 @@ pub fn channel_select(mut channels []&Channel, dir []Direction, mut objrefs []vo
stat := channels[i].try_pop_priv(objrefs[i], true)
if stat == .success {
event_idx = i
goto restore
break outer
} else if stat == .closed {
num_closed++
}
@ -591,21 +592,20 @@ pub fn channel_select(mut channels []&Channel, dir []Direction, mut objrefs []vo
}
if num_closed == channels.len {
event_idx = -2
goto restore
break outer
}
if timeout == 0 {
goto restore
break outer
}
if timeout > 0 {
remaining := timeout - stopwatch.elapsed()
if !sem.timed_wait(remaining) {
goto restore
break outer
}
} else {
sem.wait()
}
}
restore:
// reset subscribers
for i, ch in channels {
if dir[i] == .push {