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https://github.com/rwinkhart/go-winio.git
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Amit
fd34511314
Some new upcoming changes require us to use Go 1.23. However, if we switch to Go 1.23 some new linter errors are showing up. This commit fixes most of the errors and adds an exclusion for integer overflow errors. Signed-off-by: Amit <ambarve@microsoft.com>
56 lines
1.0 KiB
Go
56 lines
1.0 KiB
Go
//go:build windows
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package etw
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import (
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"sync"
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)
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// Because the provider callback function needs to be able to access the
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// provider data when it is invoked by ETW, we need to keep provider data stored
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// in a global map based on an index. The index is passed as the callback
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// context to ETW.
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type providerMap struct {
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m map[uint]*Provider
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i uint
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lock sync.Mutex
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}
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var providers = providerMap{
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m: make(map[uint]*Provider),
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}
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func (p *providerMap) newProvider() *Provider {
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p.lock.Lock()
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defer p.lock.Unlock()
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i := p.i
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p.i++
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provider := &Provider{
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index: i,
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}
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p.m[i] = provider
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return provider
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}
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func (p *providerMap) removeProvider(provider *Provider) {
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p.lock.Lock()
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defer p.lock.Unlock()
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delete(p.m, provider.index)
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}
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func (p *providerMap) getProvider(index uint) *Provider {
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p.lock.Lock()
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defer p.lock.Unlock()
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return p.m[index]
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}
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//todo: combine these into struct, so that "globalProviderCallback" is guaranteed to be initialized through method access
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var providerCallbackOnce sync.Once
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var globalProviderCallback uintptr
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