libcontainer: use x/sys/unix instead of the hardcoded value
PR_SET_CHILD_SUBREAPER is defined in x/sys/unix.
@@ -11,19 +11,6 @@ import (
"golang.org/x/sys/unix"
)
-// If arg2 is nonzero, set the "child subreaper" attribute of the
-// calling process; if arg2 is zero, unset the attribute. When a
-// process is marked as a child subreaper, all of the children
-// that it creates, and their descendants, will be marked as
-// having a subreaper. In effect, a subreaper fulfills the role
-// of init(1) for its descendant processes. Upon termination of
-// a process that is orphaned (i.e., its immediate parent has
-// already terminated) and marked as having a subreaper, the
-// nearest still living ancestor subreaper will receive a SIGCHLD
-// signal and be able to wait(2) on the process to discover its
-// termination status.
-const PR_SET_CHILD_SUBREAPER = 36
-
type ParentDeathSignal int
func (p ParentDeathSignal) Restore() error {
@@ -139,7 +126,7 @@ func GetParentNSeuid() int64 {
// SetSubreaper sets the value i as the subreaper setting for the calling process
func SetSubreaper(i int) error {
- return unix.Prctl(PR_SET_CHILD_SUBREAPER, uintptr(i), 0, 0, 0)
+ return unix.Prctl(unix.PR_SET_CHILD_SUBREAPER, uintptr(i), 0, 0, 0)
}
// GetSubreaper returns the subreaper setting for the calling process
