diff options
Diffstat (limited to 'pkg')
| -rw-r--r-- | pkg/sentry/kernel/thread_group.go | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/pkg/sentry/kernel/thread_group.go b/pkg/sentry/kernel/thread_group.go index 2eda15303..6d865b814 100644 --- a/pkg/sentry/kernel/thread_group.go +++ b/pkg/sentry/kernel/thread_group.go @@ -489,11 +489,6 @@ func (tg *ThreadGroup) SetForegroundProcessGroup(tty *TTY, pgid ProcessGroupID) tg.signalHandlers.mu.Lock() defer tg.signalHandlers.mu.Unlock() - // TODO(gvisor.dev/issue/6148): "If tcsetpgrp() is called by a member of a - // background process group in its session, and the calling process is not - // blocking or ignoring SIGTTOU, a SIGTTOU signal is sent to all members of - // this background process group." - // tty must be the controlling terminal. if tg.tty != tty { return -1, linuxerr.ENOTTY @@ -516,6 +511,11 @@ func (tg *ThreadGroup) SetForegroundProcessGroup(tty *TTY, pgid ProcessGroupID) return -1, linuxerr.EPERM } + //if the calling process is a member of a background group, a SIGTTOU signal is sent to all members of this background process group. + if tg.processGroup.session.foreground.id != tg.processGroup.id { + tg.processGroup.SendSignal(&linux.SignalInfo{Signo: int32(linux.SIGTTOU)}) + } + tg.processGroup.session.foreground.id = pgid return 0, nil } |