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author | Ian Lance Taylor <iant@golang.org> | 2016-06-08 21:09:09 -0700 |
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committer | Ian Lance Taylor <iant@golang.org> | 2016-06-09 13:47:13 +0000 |
commit | a8c6c4837c17ab4ec3ba78e40b9a72dc70d9cf5a (patch) | |
tree | 5a8cb545547c8a28be71773be77b45433f8c5ee6 | |
parent | 763883632e4d7fea145b6f3a7ee501b5ad9096f2 (diff) | |
download | go-a8c6c4837c17ab4ec3ba78e40b9a72dc70d9cf5a.tar.gz go-a8c6c4837c17ab4ec3ba78e40b9a72dc70d9cf5a.zip |
os: document that the runtime can write to standard error
Fixes #15970.
Change-Id: I3f7d8316069a69d0e3859aaa96bc1414487fead0
Reviewed-on: https://go-review.googlesource.com/23921
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Andrew Gerrand <adg@golang.org>
-rw-r--r-- | src/os/file.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/os/file.go b/src/os/file.go index 74d3c9f963..e546441497 100644 --- a/src/os/file.go +++ b/src/os/file.go @@ -46,6 +46,10 @@ func (f *File) Name() string { return f.name } // Stdin, Stdout, and Stderr are open Files pointing to the standard input, // standard output, and standard error file descriptors. +// +// Note that the Go runtime writes to standard error for panics and crashes; +// closing Stderr may cause those messages to go elsewhere, perhaps +// to a file opened later. var ( Stdin = NewFile(uintptr(syscall.Stdin), "/dev/stdin") Stdout = NewFile(uintptr(syscall.Stdout), "/dev/stdout") |