add massive warning about error logging to WrappedMain
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3b0226d496
commit
e8780bf7b8
9
main.go
9
main.go
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@ -126,6 +126,15 @@ func realMain() int {
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// wrappedMain is called only when we're wrapped by panicwrap and
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// returns the exit status to exit with.
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func wrappedMain() int {
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// WARNING: WrappedMain causes unexpected behaviors when writing to stderr
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// and stdout. Anything in this function written to stderr will be captured
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// by the logger, but will not be written to the terminal. Anything in
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// this function written to standard out must be prefixed with ErrorPrefix
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// or OutputPrefix to be sent to the right terminal stream, but adding
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// these prefixes can cause nondeterministic results for output from
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// other, asynchronous methods. Try to avoid modifying output in this
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// function if at all possible.
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// If there is no explicit number of Go threads to use, then set it
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if os.Getenv("GOMAXPROCS") == "" {
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runtime.GOMAXPROCS(runtime.NumCPU())
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