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Add system.SetKeepCaps and system.ClearKeepCaps 

Docker-DCO-1.1-Signed-off-by: Bernerd Schaefer <bj.schaefer@gmail.com> (github: bernerdschaefer)
This commit is contained in:
Bernerd Schaefer 2014-05-28 16:40:36 +02:00
parent 77ae37a383
commit fd58524f81
1 changed files with 16 additions and 0 deletions
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16
pkg/system/calls_linux.go
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@ -135,6 +135,22 @@ func GetParentDeathSignal() (int, error) {
return sig, nil
}
func SetKeepCaps() error {
if _, _, err := syscall.RawSyscall(syscall.SYS_PRCTL, syscall.PR_SET_KEEPCAPS, 1, 0); err != 0 {
return err
}
return nil
}
func ClearKeepCaps() error {
if _, _, err := syscall.RawSyscall(syscall.SYS_PRCTL, syscall.PR_SET_KEEPCAPS, 0, 0); err != 0 {
return err
}
return nil
}
func Setctty() error {
if _, _, err := syscall.RawSyscall(syscall.SYS_IOCTL, 0, uintptr(syscall.TIOCSCTTY), 0); err != 0 {
return err