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syscall: TestOpenFileLimit unintentionally runs on non-Unix platforms [1.21 backport] #63994

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gopherbot opened this issue Nov 7, 2023 · 2 comments
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syscall: TestOpenFileLimit unintentionally runs on non-Unix platforms [1.21 backport] #63994

gopherbot opened this issue Nov 7, 2023 · 2 comments
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CherryPickApproved Used during the release process for point releases compiler/runtime Issues related to the Go compiler and/or runtime. FrozenDueToAge Testing An issue that has been verified to require only test changes, not just a test failure.
Milestone
Go1.21.5

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@gopherbot
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@dmitshur requested issue #63993 to be considered for backport to the next 1.21 minor release.

This is fixed on tip via CL 539435.

@gopherbot Would you please create a backport issue for Go 1.21?
This is a test-only fix needed to fix trybots on the release branch.
@gopherbot gopherbot added CherryPickCandidate Used during the release process for point releases Testing An issue that has been verified to require only test changes, not just a test failure. labels Nov 7, 2023
@gopherbot gopherbot mentioned this issue Nov 7, 2023
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@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Nov 7, 2023
@gopherbot gopherbot added this to the Go1.21.5 milestone Nov 7, 2023
@gopherbot
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Change https://go.dev/cl/540615 mentions this issue: [release-branch.go1.21] syscall: copy rlimit.go's build constraint to rlimit_test.go

@heschi heschi added CherryPickApproved Used during the release process for point releases and removed CherryPickCandidate Used during the release process for point releases labels Nov 7, 2023
@gopherbot
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Closed by merging 1e91861 to release-branch.go1.21.

gopherbot pushed a commit that referenced this issue Nov 7, 2023
@dmitshur @gopherbot
[release-branch.go1.21] syscall: copy rlimit.go's build constraint to…
1e91861 
… rlimit_test.go

Tests in rlimit_test.go exist to test the behavior of automatically
bumping RLIMIT_NOFILE on Unix implemented in rlimit.go (issue #46279),
with darwin-specific behavior split out into rlimit_darwin.go and
the rest left empty in rlimit_stub.go.

Since the behavior happens only on Unix, it doesn't make sense to test
it on other platforms. Copy rlimit.go's 'unix' build constraint to
rlimit_test.go to accomplish that.

Leave out the simplification of the build constraint in rlimit_stub.go
so that this CL remains a test-only fix.

In particular, this fixes a problem where TestOpenFileLimit was
failing in some environments when testing the wasip1/wasm port.
The RLIMIT_NOFILE bumping behavior isn't implemented there, so
the test was testing the environment and not the Go project.

Updates #46279.
For #61116.
Fixes #63994.

Change-Id: Ic993f9cfc021d4cda4fe3d7fed8e2e180f78a2ca
Cq-Include-Trybots: luci.golang.try:go1.21-wasip1-wasm_wasmtime
Reviewed-on: https://go-review.googlesource.com/c/go/+/539435
Reviewed-by: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
(cherry picked from commit b7cbcf0)
Reviewed-on: https://go-review.googlesource.com/c/go/+/540615
Reviewed-by: Heschi Kreinick <heschi@google.com>
Auto-Submit: Heschi Kreinick <heschi@google.com>
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CherryPickApproved Used during the release process for point releases compiler/runtime Issues related to the Go compiler and/or runtime. FrozenDueToAge Testing An issue that has been verified to require only test changes, not just a test failure.
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