diff options
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 21a1c416594c..a504b6a92ccf 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -264,6 +264,15 @@ struct signal_struct { /* thread group stop support, overloads group_exit_code too */ int group_stop_count; + + /* job control IDs */ + pid_t pgrp; + pid_t tty_old_pgrp; + pid_t session; + /* boolean value for session group leader */ + int leader; + + struct tty_struct *tty; /* NULL if no tty */ }; /* @@ -366,12 +375,7 @@ struct task_struct { unsigned long personality; int did_exec:1; pid_t pid; - pid_t __pgrp; /* Accessed via process_group() */ - pid_t tty_old_pgrp; - pid_t session; pid_t tgid; - /* boolean value for session group leader */ - int leader; /* * pointers to (original) parent process, youngest child, younger sibling, * older sibling, respectively. (p->father can be replaced with @@ -415,7 +419,6 @@ struct task_struct { char comm[16]; /* file system info */ int link_count, total_link_count; - struct tty_struct *tty; /* NULL if no tty */ unsigned int locks; /* How many file locks are being held */ /* ipc stuff */ struct sysv_sem sysvsem; @@ -469,7 +472,22 @@ struct task_struct { static inline pid_t process_group(struct task_struct *tsk) { - return tsk->group_leader->__pgrp; + return tsk->signal->pgrp; +} + +static inline pid_t process_session(struct task_struct *tsk) +{ + return tsk->signal->session; +} + +static inline int process_session_leader(struct task_struct *tsk) +{ + return tsk->signal->leader; +} + +static inline struct tty_struct *process_tty(struct task_struct *tsk) +{ + return tsk->signal->tty; } extern void __put_task_struct(struct task_struct *tsk); |