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Chapter 4. Go Race Detector
Go Toolset includes the Go race detector. The race detector is a feature of the Go standard library. The race detector must be enabled at compile time and is used at runtime.
4.1. Installing the Race Detector Copiar o linkLink copiado para a área de transferência!
In Go Toolset, the race detector is provided by the go-toolset-1.11-golang-race package. To install the race detector:
yum install go-toolset-1.11-golang-race
# yum install go-toolset-1.11-golang-race
A variant of the Go standard library with the runtime race detection enabled is installed.
See Also
4.2. Using the Race Detector Copiar o linkLink copiado para a área de transferência!
To use the runtime race detector for a Go project, add the -race
option to the go tool commands used when manipulating the project.
For a minimal approach to using the race detector, build the project with the -race
option:
scl enable go-toolset-1.11 'go build -race -o output_file go_main_package'
$ scl enable go-toolset-1.11 'go build -race -o output_file go_main_package'
When you run the resulting executable, the race detector will print warnings to the standard output when a race is detected.
The race detector has a significant runtime resource overhead.
4.3. Additional Resources Copiar o linkLink copiado para a área de transferência!
A detailed description of the Go race detector and its features is beyond the scope of this book. For more information, see the resources listed below.
Online Documentation
- Data Race Detector — Official documentation of the Go race detector.
See Also
- Chapter 1, Go Toolset — An overview of Go Toolset and more information on how to install it on your system.