9f926e81c2
OpenBSD's thrsleep system call includes an "abort" parameter, which specifies a memory address to be tested after being registered on the sleep channel (i.e., capable of being woken up by thrwakeup). By passing a pointer to waitsemacount for this parameter, we avoid race conditions without needing a lock. Instead we just need to use atomicload, cas, and xadd to mutate the semaphore count. Change-Id: If9f2ab7cfd682da217f9912783cadea7e72283a8 Reviewed-on: https://go-review.googlesource.com/5563 Reviewed-by: Dmitry Vyukov <dvyukov@google.com> Reviewed-by: Joel Sing <jsing@google.com> |
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The Go Programming Language
Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.
Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.
Please report issues here: https://golang.org/issue/new
Go is the work of hundreds of contributors. We appreciate your help!
To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html
Please note that we do not use pull requests.
Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.
--
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.