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Ian Lance Taylor be08e10b3b syscall: if Setctty, require that Ctty be a child descriptor
Ctty was always handled as a child descriptor, but in some cases
passing a parent descriptor would also work. This depended on
unpredictable details of the implementation. Reject those cases to
avoid confusion.

Also reject setting both Setctty and Foreground, as they use Ctty
in incompatible ways. It's unlikely that any programs set both fields,
as they don't make sense together.

Fixes #29458

Change-Id: Ieba2d625711fd4b82c8e65e1feed02fd1fb25e6d
Reviewed-on: https://go-review.googlesource.com/c/go/+/231638
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
2020-05-01 21:57:29 +00:00
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articles doc/articles/wiki: use correct variable name in closures guide 2020-03-20 08:42:30 +00:00
codewalk doc: convert remaining bash tests to Go 2019-11-14 21:33:00 +00:00
gopher
play doc/play: match the hello world snippet in x/website 2019-10-23 22:43:37 +00:00
progs doc: convert remaining bash tests to Go 2019-11-14 21:33:00 +00:00
asm.html doc, cmd/internal/obj/arm64: update the directives in the doc 2020-05-01 20:39:53 +00:00
cmd.html doc: remove extra br tags 2020-02-23 01:23:41 +00:00
contribute.html doc: fix path to make.bash 2020-03-29 17:16:51 +00:00
debugging_with_gdb.html doc/debugging_with_gdb: fix the link of delve 2020-04-13 04:26:57 +00:00
diagnostics.html doc: document GODEBUG options to disable use of instruction set extensions 2018-12-18 14:59:36 +00:00
editors.html doc: fix spelling of comp[]hensive to comp[r]ehensive 2018-10-12 22:59:05 +00:00
effective_go.html doc: update Effective Go with 1.14 language changes 2020-02-28 20:15:38 +00:00
gccgo_contribute.html all: remove trailing whitespace from HTML files 2019-09-18 18:32:20 +00:00
gccgo_install.html all: remove trailing whitespace from HTML files 2019-09-18 18:32:20 +00:00
go1.1.html
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go1.3.html doc: rewrite reference to plan9.bell-labs.com to 9p.io 2019-08-19 21:42:54 +00:00
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go1.6.html doc: align documents link 2019-08-26 17:33:52 +00:00
go1.7.html doc: align documents link 2019-08-26 17:33:52 +00:00
go1.8.html doc: align documents link 2019-08-26 17:33:52 +00:00
go1.9.html doc: rename HTML element IDs to avoid duplicates 2020-02-05 14:32:50 +00:00
go1.10.html doc: align documents link 2019-08-26 17:33:52 +00:00
go1.11.html doc: rename HTML element IDs to avoid duplicates 2020-02-05 14:32:50 +00:00
go1.12.html doc: align documents link 2019-08-26 17:33:52 +00:00
go1.13.html doc: rename HTML element IDs to avoid duplicates 2020-02-05 14:32:50 +00:00
go1.14.html doc/go1.14: mention Windows change for Open permissions 2020-03-18 18:59:32 +00:00
go1.15.html syscall: if Setctty, require that Ctty be a child descriptor 2020-05-01 21:57:29 +00:00
go1.html
go1compat.html
go_faq.html all: remove trailing whitespace from HTML files 2019-09-18 18:32:20 +00:00
go_mem.html doc/mem: remove unnecessary pre tags within same snippet 2020-03-03 09:28:34 +00:00
go_spec.html spec: add missing space in EBNF 2020-01-15 05:32:51 +00:00
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help.html doc: remove a Google+ link since it doesn't exist anymore 2019-06-18 03:41:59 +00:00
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install-source.html doc: remove darwin/386, darwin/arm from ports list 2020-04-08 18:35:03 +00:00
install.html doc: update the minimum supported macOS version to 10.11 2020-04-01 18:26:02 +00:00
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