diff options
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 2005c5c180de..f804f3124820 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -725,6 +725,12 @@ static inline int copy_signal(unsigned long clone_flags, struct task_struct * ts sig->curr_target = NULL; init_sigpending(&sig->shared_pending); + sig->tty = process_tty(current); + sig->pgrp = process_group(current); + sig->session = process_session(current); + sig->leader = 0; /* session leadership doesn't inherit */ + sig->tty_old_pgrp = 0; + return 0; } @@ -771,7 +777,9 @@ struct task_struct *copy_process(unsigned long clone_flags, * Thread groups must share signals as well, and detached threads * can only be started up within the thread group. */ - if ((clone_flags & CLONE_THREAD) && !(clone_flags & CLONE_SIGHAND)) + if ((clone_flags & CLONE_THREAD) && + (clone_flags & (CLONE_SIGHAND|CLONE_DETACHED)) != + (CLONE_SIGHAND|CLONE_DETACHED)) return ERR_PTR(-EINVAL); /* @@ -876,8 +884,6 @@ struct task_struct *copy_process(unsigned long clone_flags, init_timer(&p->real_timer); p->real_timer.data = (unsigned long) p; - p->leader = 0; /* session leadership doesn't inherit */ - p->tty_old_pgrp = 0; p->utime = p->stime = 0; p->cutime = p->cstime = 0; p->array = NULL; @@ -1022,7 +1028,7 @@ struct task_struct *copy_process(unsigned long clone_flags, if (thread_group_leader(p)) { attach_pid(p, PIDTYPE_TGID, p->tgid); attach_pid(p, PIDTYPE_PGID, process_group(p)); - attach_pid(p, PIDTYPE_SID, p->session); + attach_pid(p, PIDTYPE_SID, process_session(p)); if (p->pid) __get_cpu_var(process_counts)++; } else |