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-rw-r--r--pkg/goid/BUILD25
-rw-r--r--pkg/goid/empty_test.go22
-rw-r--r--pkg/goid/goid.go24
-rw-r--r--pkg/goid/goid_amd64.s21
-rw-r--r--pkg/goid/goid_arm64.s21
-rw-r--r--pkg/goid/goid_race.go25
-rw-r--r--pkg/goid/goid_test.go74
-rw-r--r--pkg/goid/goid_unsafe.go64
8 files changed, 0 insertions, 276 deletions
diff --git a/pkg/goid/BUILD b/pkg/goid/BUILD
deleted file mode 100644
index 7a82631c5..000000000
--- a/pkg/goid/BUILD
+++ /dev/null
@@ -1,25 +0,0 @@
-load("//tools:defs.bzl", "go_library", "go_test")
-
-package(licenses = ["notice"])
-
-go_library(
- name = "goid",
- srcs = [
- "goid.go",
- "goid_amd64.s",
- "goid_arm64.s",
- "goid_race.go",
- "goid_unsafe.go",
- ],
- visibility = ["//visibility:public"],
-)
-
-go_test(
- name = "goid_test",
- size = "small",
- srcs = [
- "empty_test.go",
- "goid_test.go",
- ],
- library = ":goid",
-)
diff --git a/pkg/goid/empty_test.go b/pkg/goid/empty_test.go
deleted file mode 100644
index c0a4b17ab..000000000
--- a/pkg/goid/empty_test.go
+++ /dev/null
@@ -1,22 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// +build !race
-
-package goid
-
-import "testing"
-
-// TestNothing exists to make the build system happy.
-func TestNothing(t *testing.T) {}
diff --git a/pkg/goid/goid.go b/pkg/goid/goid.go
deleted file mode 100644
index 39df30031..000000000
--- a/pkg/goid/goid.go
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// +build !race
-
-// Package goid provides access to the ID of the current goroutine in
-// race/gotsan builds.
-package goid
-
-// Get returns the ID of the current goroutine.
-func Get() int64 {
- panic("unimplemented for non-race builds")
-}
diff --git a/pkg/goid/goid_amd64.s b/pkg/goid/goid_amd64.s
deleted file mode 100644
index d9f5cd2a3..000000000
--- a/pkg/goid/goid_amd64.s
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "textflag.h"
-
-// func getg() *g
-TEXT ·getg(SB),NOSPLIT,$0-8
- MOVQ (TLS), R14
- MOVQ R14, ret+0(FP)
- RET
diff --git a/pkg/goid/goid_arm64.s b/pkg/goid/goid_arm64.s
deleted file mode 100644
index a7465b75d..000000000
--- a/pkg/goid/goid_arm64.s
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "textflag.h"
-
-// func getg() *g
-TEXT ·getg(SB),NOSPLIT,$0-8
- MOVD g, R0 // g
- MOVD R0, ret+0(FP)
- RET
diff --git a/pkg/goid/goid_race.go b/pkg/goid/goid_race.go
deleted file mode 100644
index 1766beaee..000000000
--- a/pkg/goid/goid_race.go
+++ /dev/null
@@ -1,25 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Only available in race/gotsan builds.
-// +build race
-
-// Package goid provides access to the ID of the current goroutine in
-// race/gotsan builds.
-package goid
-
-// Get returns the ID of the current goroutine.
-func Get() int64 {
- return goid()
-}
diff --git a/pkg/goid/goid_test.go b/pkg/goid/goid_test.go
deleted file mode 100644
index 31970ce79..000000000
--- a/pkg/goid/goid_test.go
+++ /dev/null
@@ -1,74 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// +build race
-
-package goid
-
-import (
- "runtime"
- "sync"
- "testing"
-)
-
-func TestInitialGoID(t *testing.T) {
- const max = 10000
- if id := goid(); id < 0 || id > max {
- t.Errorf("got goid = %d, want 0 < goid <= %d", id, max)
- }
-}
-
-// TestGoIDSquence verifies that goid returns values which could plausibly be
-// goroutine IDs. If this test breaks or becomes flaky, the structs in
-// goid_unsafe.go may need to be updated.
-func TestGoIDSquence(t *testing.T) {
- // Goroutine IDs are cached by each P.
- runtime.GOMAXPROCS(1)
-
- // Fill any holes in lower range.
- for i := 0; i < 50; i++ {
- var wg sync.WaitGroup
- wg.Add(1)
- go func() {
- wg.Done()
-
- // Leak the goroutine to prevent the ID from being
- // reused.
- select {}
- }()
- wg.Wait()
- }
-
- id := goid()
- for i := 0; i < 100; i++ {
- var (
- newID int64
- wg sync.WaitGroup
- )
- wg.Add(1)
- go func() {
- newID = goid()
- wg.Done()
-
- // Leak the goroutine to prevent the ID from being
- // reused.
- select {}
- }()
- wg.Wait()
- if max := id + 100; newID <= id || newID > max {
- t.Errorf("unexpected goroutine ID pattern, got goid = %d, want %d < goid <= %d (previous = %d)", newID, id, max, id)
- }
- id = newID
- }
-}
diff --git a/pkg/goid/goid_unsafe.go b/pkg/goid/goid_unsafe.go
deleted file mode 100644
index ded8004dd..000000000
--- a/pkg/goid/goid_unsafe.go
+++ /dev/null
@@ -1,64 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package goid
-
-// Structs from Go runtime. These may change in the future and require
-// updating. These structs are currently the same on both AMD64 and ARM64,
-// but may diverge in the future.
-
-type stack struct {
- lo uintptr
- hi uintptr
-}
-
-type gobuf struct {
- sp uintptr
- pc uintptr
- g uintptr
- ctxt uintptr
- ret uint64
- lr uintptr
- bp uintptr
-}
-
-type g struct {
- stack stack
- stackguard0 uintptr
- stackguard1 uintptr
-
- _panic uintptr
- _defer uintptr
- m uintptr
- sched gobuf
- syscallsp uintptr
- syscallpc uintptr
- stktopsp uintptr
- param uintptr
- atomicstatus uint32
- stackLock uint32
- goid int64
-
- // More fields...
- //
- // We only use goid and the fields before it are only listed to
- // calculate the correct offset.
-}
-
-func getg() *g
-
-// goid returns the ID of the current goroutine.
-func goid() int64 {
- return getg().goid
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 23:47:45 +0000