diff options
author | Xia Bin <snyh@snyh.org> | 2016-01-24 14:22:54 +0800 |
---|---|---|
committer | Russ Cox <rsc@golang.org> | 2016-10-13 00:03:57 +0000 |
commit | 347259cbae30f876be11fe5e71710969afa24374 (patch) | |
tree | e1cff8500c0dccaa744b117f5f2de2c90e5b0776 /misc | |
parent | 90a750857c6146ce5d8d24cda5a1e70aa3d4cc58 (diff) | |
download | go-git-347259cbae30f876be11fe5e71710969afa24374.tar.gz |
misc/cgo/test: add test that gccgo fails
Gccgo isn't locking the OS thread properly during calls.
Change-Id: Idb2475291405e390cbb83abb27a402fd0381d0c4
Reviewed-on: https://go-review.googlesource.com/18882
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Diffstat (limited to 'misc')
-rw-r--r-- | misc/cgo/test/basic.go | 3 | ||||
-rw-r--r-- | misc/cgo/test/cgo_test.go | 1 | ||||
-rw-r--r-- | misc/cgo/test/cgo_thread_lock.go | 53 |
3 files changed, 57 insertions, 0 deletions
diff --git a/misc/cgo/test/basic.go b/misc/cgo/test/basic.go index 2189af6ae4..3ceb4ce847 100644 --- a/misc/cgo/test/basic.go +++ b/misc/cgo/test/basic.go @@ -162,3 +162,6 @@ func testUnsignedInt(t *testing.T) { func sliceOperands(array [2000]int) { _ = array[C.KILO:C.KILO:C.KILO] // no type error } + +// set in cgo_thread_lock.go init +var testThreadLockFunc = func(*testing.T) {} diff --git a/misc/cgo/test/cgo_test.go b/misc/cgo/test/cgo_test.go index 362c640728..8746f90994 100644 --- a/misc/cgo/test/cgo_test.go +++ b/misc/cgo/test/cgo_test.go @@ -72,5 +72,6 @@ func TestCallGoWithString(t *testing.T) { testCallGoWithString(t) } func Test14838(t *testing.T) { test14838(t) } func Test8756(t *testing.T) { test8756(t) } func Test17065(t *testing.T) { test17065(t) } +func TestThreadLock(t *testing.T) { testThreadLockFunc(t) } func BenchmarkCgoCall(b *testing.B) { benchCgoCall(b) } diff --git a/misc/cgo/test/cgo_thread_lock.go b/misc/cgo/test/cgo_thread_lock.go new file mode 100644 index 0000000000..b105068518 --- /dev/null +++ b/misc/cgo/test/cgo_thread_lock.go @@ -0,0 +1,53 @@ +// Copyright 2016 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. + +// +build linux,freebsd,openbsd + +package cgotest + +/* +#include <unistd.h> +#include <sys/syscall.h> +void Gosched(void); +static int Ctid(void) { Gosched(); return syscall(SYS_gettid); } +*/ +import "C" + +import ( + "runtime" + "syscall" + "testing" + "time" +) + +//export Gosched +func Gosched() { + runtime.Gosched() +} + +func init() { + testThreadLockFunc = testThreadLock +} + +func testThreadLock(t *testing.T) { + stop := make(chan int) + go func() { + // We need the G continue running, + // so the M has a chance to run this G. + for { + select { + case <-stop: + return + case <-time.After(time.Millisecond * 100): + } + } + }() + defer close(stop) + + for i := 0; i < 1000; i++ { + if C.int(syscall.Gettid()) != C.Ctid() { + t.Fatalf("cgo has not locked OS thread") + } + } +} |