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syscall: use MNT_NOWAIT in TestGetfsstat

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Fixes test failure when VMWare's shared folder filesystem is present.

MNT_NOWAIT is what the mount(8) command does.

Fixes #16937

Change-Id: Id436185f544b7069db46c8716d6a0bf580b31da0
Reviewed-on: https://go-review.googlesource.com/28550
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
This commit is contained in:
Brad Fitzpatrick 2016-09-06 17:02:19 +00:00
parent 9a243303b8
commit a4bdd64555
1 changed files with 11 additions and 8 deletions
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19
src/syscall/syscall_bsd_test.go
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@ -13,29 +13,32 @@ import (
)
const MNT_WAIT = 1
const MNT_NOWAIT = 2
func TestGetfsstat(t *testing.T) {
n, err := syscall.Getfsstat(nil, MNT_WAIT)
t.Logf("Getfsstat(nil, MNT_WAIT) = (%v, %v)", n, err)
const flags = MNT_NOWAIT // see Issue 16937
n, err := syscall.Getfsstat(nil, flags)
t.Logf("Getfsstat(nil, %d) = (%v, %v)", flags, n, err)
if err != nil {
t.Fatal(err)
}
data := make([]syscall.Statfs_t, n)
n, err = syscall.Getfsstat(data, MNT_WAIT)
t.Logf("Getfsstat([]syscall.Statfs_t, MNT_WAIT) = (%v, %v)", n, err)
n2, err := syscall.Getfsstat(data, flags)
t.Logf("Getfsstat([]syscall.Statfs_t, %d) = (%v, %v)", flags, n2, err)
if err != nil {
t.Fatal(err)
}
empty := syscall.Statfs_t{}
if n != n2 {
t.Errorf("Getfsstat(nil) = %d, but subsequent Getfsstat(slice) = %d", n, n2)
}
for i, stat := range data {
if stat == empty {
if stat == (syscall.Statfs_t{}) {
t.Errorf("index %v is an empty Statfs_t struct", i)
}
}
if t.Failed() {
for i, stat := range data {
for i, stat := range data[:n2] {
t.Logf("data[%v] = %+v", i, stat)
}
mount, err := exec.Command("mount").CombinedOutput()