diff options
Diffstat (limited to 'pkg/sentry/kernel/signal.go')
| -rw-r--r-- | pkg/sentry/kernel/signal.go | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/pkg/sentry/kernel/signal.go b/pkg/sentry/kernel/signal.go index b066df132..22a56c6fc 100644 --- a/pkg/sentry/kernel/signal.go +++ b/pkg/sentry/kernel/signal.go @@ -56,11 +56,21 @@ func (k *Kernel) sendExternalSignal(info *arch.SignalInfo, context string) { } } -// sigPriv returns a SignalInfo representing a signal sent by the sentry. (The -// name reflects its equivalence to Linux's SEND_SIG_PRIV.) -func sigPriv(sig linux.Signal) *arch.SignalInfo { +// SignalInfoPriv returns a SignalInfo equivalent to Linux's SEND_SIG_PRIV. +func SignalInfoPriv(sig linux.Signal) *arch.SignalInfo { return &arch.SignalInfo{ Signo: int32(sig), Code: arch.SignalInfoKernel, } } + +// SignalInfoNoInfo returns a SignalInfo equivalent to Linux's SEND_SIG_NOINFO. +func SignalInfoNoInfo(sig linux.Signal, sender, receiver *Task) *arch.SignalInfo { + info := &arch.SignalInfo{ + Signo: int32(sig), + Code: arch.SignalInfoUser, + } + info.SetPid(int32(receiver.tg.pidns.IDOfThreadGroup(sender.tg))) + info.SetUid(int32(sender.Credentials().RealKUID.In(receiver.UserNamespace()).OrOverflow())) + return info +} |