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doc/go1.16: mention syscall.AllThreadsSyscall

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For #1435
For #40700

Change-Id: I01d277617ab511c90b9663fc89e418402e5ee2be
Reviewed-on: https://go-review.googlesource.com/c/go/+/285597
Trust: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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Ian Lance Taylor 2021-01-21 18:29:13 -08:00
parent 07b0235609
commit 11def3d40b
1 changed files with 10 additions and 0 deletions
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doc/go1.16.html
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@ -934,6 +934,16 @@ func TestFoo(t *testing.T) {
and related calls are now implemented.
Previously, they returned an <code>syscall.EOPNOTSUPP</code> error.
</p>
<p><!-- CL 210639 -->
On Linux, the new functions
<a href="/pkg/syscall/#AllThreadsSyscall"><code>AllThreadsSyscall</code></a>
and <a href="/pkg/syscall/#AllThreadsSyscall6"><code>AllThreadsSyscall6</code></a>
may be used to make a system call on all Go threads in the process.
These functions may only be used by programs that do not use cgo;
if a program uses cgo, they will always return
<a href="/pkg/syscall/#ENOTSUP"><code>syscall.ENOTSUP</code></a>.
</p>
</dd>
</dl><!-- syscall -->