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## What changed?
<!-- Describe what has changed in this PR -->
Remove license header from every file. Because it is really hard to
follow in this PR here is the summary:
1. License header is removed from all `.go` and `.proto` files
:fireworks::fireworks:🎆.
2. `LICENSE` file in the root directory has only Temporal and Uber
copyrights.
3. 5 other `LICENSE` files added to the packages which have copyrights
different from Temporal and Uber: Datadog, Xargin, "Mat Ryer, Tyler
Bunnell and contributors".
4. `license_file` flag is removed from all code generation tools.
5. `copyright_file` flag is removed from `go:generate mockgen`
directive.
6. All copyright related targets are removed from `Makefile`.
7. Updated Temporal copyright year to 2025 everywhere.
## Why?
<!-- Tell your future self why have you made these changes -->
I double checked with legal department that it is not needed to have
license header in every file. One file per repo is enough. I put all
copyrights to the root `LICENSE` file and removed header from all other
files. Also updated tools and `Makefile`.
52 lines
926 B
Go
52 lines
926 B
Go
package channel
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import (
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"sync/atomic"
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)
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const (
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shutdownOnceStatusOpen int32 = 0
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shutdownOnceStatusClosed int32 = 1
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)
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type (
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ShutdownOnce interface {
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// Shutdown broadcast shutdown signal
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Shutdown()
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// IsShutdown return true if already shutdown
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IsShutdown() bool
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// Channel for shutdown notification
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Channel() <-chan struct{}
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}
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ShutdownOnceImpl struct {
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status int32
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channel chan struct{}
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}
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)
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func NewShutdownOnce() *ShutdownOnceImpl {
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return &ShutdownOnceImpl{
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status: shutdownOnceStatusOpen,
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channel: make(chan struct{}),
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}
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}
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func (c *ShutdownOnceImpl) Shutdown() {
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if atomic.CompareAndSwapInt32(
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&c.status,
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shutdownOnceStatusOpen,
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shutdownOnceStatusClosed,
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) {
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close(c.channel)
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}
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}
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func (c *ShutdownOnceImpl) IsShutdown() bool {
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return atomic.LoadInt32(&c.status) == shutdownOnceStatusClosed
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}
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func (c *ShutdownOnceImpl) Channel() <-chan struct{} {
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return c.channel
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}
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