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The Go programming language
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One goroutine started up and was waiting in rw. Then another goroutine decided to close the pipe. The closing goroutine stalled calling p.io.Lock() in pipeHalf.close. (This happened in gccgo). If the closing goroutine had been able to set the ioclosed flag, it would have gone on to tell the runner that the pipe was closed, which would then send an EINVAL to the goroutine sleeping in rw. Unlocking p.io before sleeping in rw avoids the race. R=rsc, rsc1 CC=golang-dev https://golang.org/cl/1682048 |
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This is the source code repository for the Go programming language. For documentation about how to install and use Go, visit http://golang.org/ or load doc/install.html in your web browser. After installing Go, you can view a nicely formatted doc/install.html by running godoc --http=:6060 and then visiting http://localhost:6060/doc/install.html. Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.