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go.mod: github.com/alexflint/go-filemutex v1.1.0

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Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2021-03-12 17:24:03 +01:00
parent 75b64e0f60
commit c3d01539d5
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8 changed files with 54 additions and 10 deletions
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2
go.mod
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@ -4,7 +4,7 @@ go 1.14
require (
github.com/Microsoft/hcsshim v0.8.16
github.com/alexflint/go-filemutex v0.0.0-20171022225611-72bdc8eae2ae
github.com/alexflint/go-filemutex v1.1.0
github.com/buger/jsonparser v0.0.0-20180808090653-f4dd9f5a6b44
github.com/containernetworking/cni v0.8.1-0.20201216164644-62e54113f44a
github.com/coreos/go-iptables v0.5.0

3
go.sum
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@ -61,8 +61,9 @@ github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuy
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alexflint/go-filemutex v0.0.0-20171022225611-72bdc8eae2ae h1:AMzIhMUqU3jMrZiTuW0zkYeKlKDAFD+DG20IoO421/Y=
github.com/alexflint/go-filemutex v0.0.0-20171022225611-72bdc8eae2ae/go.mod h1:CgnQgUtFrFz9mxFNtED3jI5tLDjKlOM+oUF/sTk6ps0=
github.com/alexflint/go-filemutex v1.1.0 h1:IAWuUuRYL2hETx5b8vCgwnD+xSdlsTQY6s2JjBsqLdg=
github.com/alexflint/go-filemutex v1.1.0/go.mod h1:7P4iRhttt/nUvUOrYIhcpMzv2G6CY9UnI16Z+UJqRyk=
github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
github.com/aws/aws-sdk-go v1.15.11/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0=
github.com/beorn7/perks v0.0.0-20160804104726-4c0e84591b9a/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=

5
vendor/github.com/alexflint/go-filemutex/filemutex.go generated vendored Normal file
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@ -0,0 +1,5 @@
package filemutex
import "errors"
var AlreadyLocked = errors.New("lock already acquired")

16
vendor/github.com/alexflint/go-filemutex/filemutex_flock.go generated vendored
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@ -35,6 +35,18 @@ func (m *FileMutex) Lock() error {
return nil
}
func (m *FileMutex) TryLock() error {
if err := syscall.Flock(m.fd, syscall.LOCK_EX|syscall.LOCK_NB); err != nil {
if errno, ok := err.(syscall.Errno); ok {
if errno == syscall.EWOULDBLOCK {
return AlreadyLocked
}
}
return err
}
return nil
}
func (m *FileMutex) Unlock() error {
if err := syscall.Flock(m.fd, syscall.LOCK_UN); err != nil {
return err
@ -56,9 +68,7 @@ func (m *FileMutex) RUnlock() error {
return nil
}
// Close does an Unlock() combined with closing and unlinking the associated
// lock file. You should create a New() FileMutex for every Lock() attempt if
// using Close().
// Close unlocks the lock and closes the underlying file descriptor.
func (m *FileMutex) Close() error {
if err := syscall.Flock(m.fd, syscall.LOCK_UN); err != nil {
return err

20
vendor/github.com/alexflint/go-filemutex/filemutex_windows.go generated vendored
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@ -16,7 +16,8 @@ var (
)
const (
lockfileExclusiveLock = 2
lockfileFailImmediately = 1
lockfileExclusiveLock = 2
)
func lockFileEx(h syscall.Handle, flags, reserved, locklow, lockhigh uint32, ol *syscall.Overlapped) (err error) {
@ -58,6 +59,19 @@ func New(filename string) (*FileMutex, error) {
return &FileMutex{fd: fd}, nil
}
func (m *FileMutex) TryLock() error {
var ol syscall.Overlapped
if err := lockFileEx(m.fd, lockfileFailImmediately|lockfileExclusiveLock, 0, 1, 0, &ol); err != nil {
if errno, ok := err.(syscall.Errno); ok {
if errno == syscall.Errno(0x21) {
return AlreadyLocked
}
}
return err
}
return nil
}
func (m *FileMutex) Lock() error {
var ol syscall.Overlapped
if err := lockFileEx(m.fd, lockfileExclusiveLock, 0, 1, 0, &ol); err != nil {
@ -90,9 +104,7 @@ func (m *FileMutex) RUnlock() error {
return nil
}
// Close does an Unlock() combined with closing and unlinking the associated
// lock file. You should create a New() FileMutex for every Lock() attempt if
// using Close().
// Close unlocks the lock and closes the underlying file descriptor.
func (m *FileMutex) Close() error {
var ol syscall.Overlapped
if err := unlockFileEx(m.fd, 0, 1, 0, &ol); err != nil {

5
vendor/github.com/alexflint/go-filemutex/go.mod generated vendored Normal file
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@ -0,0 +1,5 @@
module github.com/alexflint/go-filemutex
go 1.13
require github.com/stretchr/testify v1.4.0

11
vendor/github.com/alexflint/go-filemutex/go.sum generated vendored Normal file
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@ -0,0 +1,11 @@
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

2
vendor/modules.txt vendored
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@ -29,7 +29,7 @@ github.com/Microsoft/hcsshim/internal/vmcompute
github.com/Microsoft/hcsshim/internal/wclayer
github.com/Microsoft/hcsshim/internal/winapi
github.com/Microsoft/hcsshim/osversion
# github.com/alexflint/go-filemutex v0.0.0-20171022225611-72bdc8eae2ae
# github.com/alexflint/go-filemutex v1.1.0
## explicit
github.com/alexflint/go-filemutex
# github.com/buger/jsonparser v0.0.0-20180808090653-f4dd9f5a6b44