ebe733cb40
The Template objects are supposed to be goroutine-safe once they have been parsed. This includes the text and html ones. For html/template, the escape mechanism is triggered at execution time. It may alter the internal structures of the template, so a mutex protects them against concurrent accesses. The text/template package is free of any synchronization primitive. A race condition may occur when nested templates are escaped: the escape algorithm alters the function maps of the associated text templates, while a concurrent template execution may access the function maps in read mode. The less invasive fix I have found is to introduce a RWMutex in text/template to protect the function maps. This is unfortunate but it should be effective. Fixes #9945 Change-Id: I1edb73c0ed0f1fcddd2f1516230b548b92ab1269 Reviewed-on: https://go-review.googlesource.com/10101 Reviewed-by: Rob Pike <r@golang.org> |
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The Go Programming Language
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Binary Distribution Notes
If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.
For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
See https://golang.org/doc/install or doc/install.html for more details.