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Merge "Parallelize VerifyProvidersWereUnchanged" into main am: 177fd07327

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Original change: https://android-review.googlesource.com/c/platform/build/blueprint/+/3102364

Change-Id: I9355bb47213ed7c221b91a8093e72ec105a937b6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Treehugger Robot 2024-05-24 20:46:16 +00:00 committed by Automerger Merge Worker
commit 0e7baaa021
1 changed files with 43 additions and 16 deletions
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59
context.go
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@ -4144,23 +4144,50 @@ func (c *Context) VerifyProvidersWereUnchanged() []error {
if !c.buildActionsReady {
return []error{ErrBuildActionsNotReady}
}
var errors []error
for _, m := range c.modulesSorted {
for i, provider := range m.providers {
if provider != nil {
hash, err := proptools.HashProvider(provider)
if err != nil {
errors = append(errors, fmt.Errorf("provider %q on module %q was modified after being set, and no longer hashable afterwards: %s", providerRegistry[i].typ, m.Name(), err.Error()))
continue
}
if provider != nil && m.providerInitialValueHashes[i] != hash {
errors = append(errors, fmt.Errorf("provider %q on module %q was modified after being set", providerRegistry[i].typ, m.Name()))
}
} else if m.providerInitialValueHashes[i] != 0 {
// This should be unreachable, because in setProvider we check if the provider has already been set.
errors = append(errors, fmt.Errorf("provider %q on module %q was unset somehow, this is an internal error", providerRegistry[i].typ, m.Name()))
}
toProcess := make(chan *moduleInfo)
errorCh := make(chan []error)
var wg sync.WaitGroup
go func() {
for _, m := range c.modulesSorted {
toProcess <- m
}
close(toProcess)
}()
for i := 0; i < 1000; i++ {
wg.Add(1)
go func() {
var errors []error
for m := range toProcess {
for i, provider := range m.providers {
if provider != nil {
hash, err := proptools.HashProvider(provider)
if err != nil {
errors = append(errors, fmt.Errorf("provider %q on module %q was modified after being set, and no longer hashable afterwards: %s", providerRegistry[i].typ, m.Name(), err.Error()))
continue
}
if m.providerInitialValueHashes[i] != hash {
errors = append(errors, fmt.Errorf("provider %q on module %q was modified after being set", providerRegistry[i].typ, m.Name()))
}
} else if m.providerInitialValueHashes[i] != 0 {
// This should be unreachable, because in setProvider we check if the provider has already been set.
errors = append(errors, fmt.Errorf("provider %q on module %q was unset somehow, this is an internal error", providerRegistry[i].typ, m.Name()))
}
}
}
if errors != nil {
errorCh <- errors
}
wg.Done()
}()
}
go func() {
wg.Wait()
close(errorCh)
}()
var errors []error
for newErrors := range errorCh {
errors = append(errors, newErrors...)
}
return errors
}