5 files changed, 0 insertions, 217 deletions
diff --git a/pkg/goid/BUILD b/pkg/goid/BUILD
deleted file mode 100644
index d855b702c..000000000
--- a/pkg/goid/BUILD
+++ /dev/null
@@ -1,22 +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",
-    ],
-    visibility = ["//visibility:public"],
-)
-
-go_test(
-    name = "goid_test",
-    size = "small",
-    srcs = [
-        "goid_test.go",
-    ],
-    library = ":goid",
-)
diff --git a/pkg/goid/goid.go b/pkg/goid/goid.go
deleted file mode 100644
index 17c384cb0..000000000
--- a/pkg/goid/goid.go
+++ /dev/null
@@ -1,72 +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 go1.12
-// +build !go1.17
-
-// Check type signatures when updating Go version.
-
-// Package goid provides the Get function.
-package goid
-
-// Get returns the ID of the current goroutine.
-func Get() int64 {
-	return getg().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.
-}
-
-// Defined in assembly. This can't use go:linkname since runtime.getg() isn't a
-// real function, it's a compiler intrinsic.
-func getg() *g
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_test.go b/pkg/goid/goid_test.go
deleted file mode 100644
index 54be11d63..000000000
--- a/pkg/goid/goid_test.go
+++ /dev/null
@@ -1,81 +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
-
-import (
-	"runtime"
-	"sync"
-	"testing"
-	"time"
-)
-
-func TestUniquenessAndConsistency(t *testing.T) {
-	const (
-		numGoroutines = 5000
-
-		// maxID is not an intrinsic property of goroutine IDs; it is only a
-		// property of how the Go runtime currently assigns them. Future
-		// changes to the Go runtime may require that maxID be raised, or that
-		// assertions regarding it be removed entirely.
-		maxID = numGoroutines + 1000
-	)
-
-	var (
-		goidsMu   sync.Mutex
-		goids     = make(map[int64]struct{})
-		checkedWG sync.WaitGroup
-		exitCh    = make(chan struct{})
-	)
-	for i := 0; i < numGoroutines; i++ {
-		checkedWG.Add(1)
-		go func() {
-			id := Get()
-			if id > maxID {
-				t.Errorf("observed unexpectedly large goroutine ID %d", id)
-			}
-			goidsMu.Lock()
-			if _, dup := goids[id]; dup {
-				t.Errorf("observed duplicate goroutine ID %d", id)
-			}
-			goids[id] = struct{}{}
-			goidsMu.Unlock()
-			checkedWG.Done()
-			for {
-				if curID := Get(); curID != id {
-					t.Errorf("goroutine ID changed from %d to %d", id, curID)
-					// Don't spam logs by repeating the check; wait quietly for
-					// the test to finish.
-					<-exitCh
-					return
-				}
-				// Check if the test is over.
-				select {
-				case <-exitCh:
-					return
-				default:
-				}
-				// Yield to other goroutines, and possibly migrate to another P.
-				runtime.Gosched()
-			}
-		}()
-	}
-	// Wait for all goroutines to perform uniqueness checks.
-	checkedWG.Wait()
-	// Wait for an additional second to allow goroutines to spin checking for
-	// ID consistency.
-	time.Sleep(time.Second)
-	// Request that all goroutines exit.
-	close(exitCh)
-}