kotovalexarian-likes-github
/
moby--moby
mirror of https://github.com/moby/moby.git
1
0
Fork 0
Code Releases Activity

Send sigterm to child instead of sigkill 

Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
This commit is contained in:
Michael Crosby 2014-03-14 11:42:01 -07:00
parent 5c6d54073f
commit 39037a91f8
2 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
pkg/libcontainer/nsinit/init.go
View File

@ -48,7 +48,9 @@ func (ns *linuxNs) Init(container *libcontainer.Container, uncleanRootfs, consol
return fmt.Errorf("setctty %s", err)
}
}
if err := system.ParentDeathSignal(); err != nil {
// this is our best effort to let the process know that the parent has died and that it
// should it should act on it how it sees fit
if err := system.ParentDeathSignal(uintptr(syscall.SIGTERM)); err != nil {
return fmt.Errorf("parent death signal %s", err)
}
if err := setupNewMountNamespace(rootfs, container.Mounts, console, container.ReadonlyFs, container.NoPivotRoot); err != nil {

4
pkg/system/calls_linux.go
View File

@ -115,8 +115,8 @@ func Mknod(path string, mode uint32, dev int) error {
return syscall.Mknod(path, mode, dev)
}
func ParentDeathSignal() error {
if _, _, err := syscall.RawSyscall(syscall.SYS_PRCTL, syscall.PR_SET_PDEATHSIG, uintptr(syscall.SIGKILL), 0); err != 0 {
func ParentDeathSignal(sig uintptr) error {
if _, _, err := syscall.RawSyscall(syscall.SYS_PRCTL, syscall.PR_SET_PDEATHSIG, sig, 0); err != 0 {
return err
}
return nil