mirror of
https://github.com/golang/go
synced 2024-09-29 18:34:33 -06:00
53fd522c0d
Follows suit with https://go-review.googlesource.com/#/c/20111. Generated by running $ grep -R 'Go Authors. All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go Authors. All/Go Authors. All/g' $F;done The code in cmd/internal/unvendor wasn't changed. Fixes #15213 Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f Reviewed-on: https://go-review.googlesource.com/21819 Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
51 lines
878 B
Go
51 lines
878 B
Go
// Copyright 2015 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package main
|
|
|
|
// The memory profiler can call copy from a slice on the system stack,
|
|
// which msan used to think meant a reference to uninitialized memory.
|
|
|
|
/*
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
extern void Nop(char*);
|
|
|
|
// Use weak as a hack to permit defining a function even though we use export.
|
|
void poison() __attribute__ ((weak));
|
|
|
|
// Poison the stack.
|
|
void poison() {
|
|
char a[1024];
|
|
Nop(&a[0]);
|
|
}
|
|
|
|
*/
|
|
import "C"
|
|
|
|
import (
|
|
"runtime"
|
|
)
|
|
|
|
func main() {
|
|
runtime.MemProfileRate = 1
|
|
start(100)
|
|
}
|
|
|
|
func start(i int) {
|
|
if i == 0 {
|
|
return
|
|
}
|
|
C.poison()
|
|
// Tie up a thread.
|
|
// We won't actually wait for this sleep to complete.
|
|
go func() { C.sleep(1) }()
|
|
start(i - 1)
|
|
}
|
|
|
|
//export Nop
|
|
func Nop(*C.char) {
|
|
}
|