mirror of
https://github.com/golang/go
synced 2024-11-13 16:10:25 -07:00
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>
56 lines
940 B
Go
56 lines
940 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
|
|
|
|
// This program produced false race reports when run under the C/C++
|
|
// ThreadSanitizer, as it did not understand the synchronization in
|
|
// the Go code.
|
|
|
|
/*
|
|
#cgo CFLAGS: -fsanitize=thread
|
|
#cgo LDFLAGS: -fsanitize=thread
|
|
|
|
extern void GoRun(void);
|
|
|
|
// Yes, you can have definitions if you use //export, as long as they are weak.
|
|
|
|
int val __attribute__ ((weak));
|
|
|
|
int run(void) __attribute__ ((weak));
|
|
|
|
int run() {
|
|
val = 1;
|
|
GoRun();
|
|
return val;
|
|
}
|
|
|
|
void setVal(int) __attribute__ ((weak));
|
|
|
|
void setVal(int i) {
|
|
val = i;
|
|
}
|
|
*/
|
|
import "C"
|
|
|
|
import "runtime"
|
|
|
|
//export GoRun
|
|
func GoRun() {
|
|
runtime.LockOSThread()
|
|
c := make(chan bool)
|
|
go func() {
|
|
runtime.LockOSThread()
|
|
C.setVal(2)
|
|
c <- true
|
|
}()
|
|
<-c
|
|
}
|
|
|
|
func main() {
|
|
if v := C.run(); v != 2 {
|
|
panic(v)
|
|
}
|
|
}
|