From a8972ccf00b7184a743eb6cd9bc7f3443357910c Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Wed, 24 Oct 2007 18:23:50 +0200 Subject: sched: constify sched.h Add const to some struct task_struct * uses Signed-off-by: Joe Perches Signed-off-by: Ingo Molnar --- include/linux/sched.h | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) (limited to 'include') diff --git a/include/linux/sched.h b/include/linux/sched.h index 13df99fb2769..52288a647692 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1196,7 +1196,7 @@ static inline int rt_prio(int prio) return 0; } -static inline int rt_task(struct task_struct *p) +static inline int rt_task(const struct task_struct *p) { return rt_prio(p->prio); } @@ -1211,22 +1211,22 @@ static inline void set_task_pgrp(struct task_struct *tsk, pid_t pgrp) tsk->signal->__pgrp = pgrp; } -static inline struct pid *task_pid(struct task_struct *task) +static inline struct pid *task_pid(const struct task_struct *task) { return task->pids[PIDTYPE_PID].pid; } -static inline struct pid *task_tgid(struct task_struct *task) +static inline struct pid *task_tgid(const struct task_struct *task) { return task->group_leader->pids[PIDTYPE_PID].pid; } -static inline struct pid *task_pgrp(struct task_struct *task) +static inline struct pid *task_pgrp(const struct task_struct *task) { return task->group_leader->pids[PIDTYPE_PGID].pid; } -static inline struct pid *task_session(struct task_struct *task) +static inline struct pid *task_session(const struct task_struct *task) { return task->group_leader->pids[PIDTYPE_SID].pid; } @@ -1255,7 +1255,7 @@ struct pid_namespace; * see also pid_nr() etc in include/linux/pid.h */ -static inline pid_t task_pid_nr(struct task_struct *tsk) +static inline pid_t task_pid_nr(const struct task_struct *tsk) { return tsk->pid; } @@ -1268,7 +1268,7 @@ static inline pid_t task_pid_vnr(struct task_struct *tsk) } -static inline pid_t task_tgid_nr(struct task_struct *tsk) +static inline pid_t task_tgid_nr(const struct task_struct *tsk) { return tsk->tgid; } @@ -1281,7 +1281,7 @@ static inline pid_t task_tgid_vnr(struct task_struct *tsk) } -static inline pid_t task_pgrp_nr(struct task_struct *tsk) +static inline pid_t task_pgrp_nr(const struct task_struct *tsk) { return tsk->signal->__pgrp; } @@ -1294,7 +1294,7 @@ static inline pid_t task_pgrp_vnr(struct task_struct *tsk) } -static inline pid_t task_session_nr(struct task_struct *tsk) +static inline pid_t task_session_nr(const struct task_struct *tsk) { return tsk->signal->__session; } @@ -1321,7 +1321,7 @@ static inline pid_t task_ppid_nr_ns(struct task_struct *tsk, * If pid_alive fails, then pointers within the task structure * can be stale and must not be dereferenced. */ -static inline int pid_alive(struct task_struct *p) +static inline int pid_alive(const struct task_struct *p) { return p->pids[PIDTYPE_PID].pid != NULL; } @@ -1332,7 +1332,7 @@ static inline int pid_alive(struct task_struct *p) * * Check if a task structure is the first user space task the kernel created. */ -static inline int is_global_init(struct task_struct *tsk) +static inline int is_global_init(const struct task_struct *tsk) { return tsk->pid == 1; } @@ -1469,7 +1469,7 @@ extern int rt_mutex_getprio(struct task_struct *p); extern void rt_mutex_setprio(struct task_struct *p, int prio); extern void rt_mutex_adjust_pi(struct task_struct *p); #else -static inline int rt_mutex_getprio(struct task_struct *p) +static inline int rt_mutex_getprio(const struct task_struct *p) { return p->normal_prio; } @@ -1721,7 +1721,7 @@ extern void wait_task_inactive(struct task_struct * p); * all we care about is that we have a task with the appropriate * pid, we don't actually care if we have the right task. */ -static inline int has_group_leader_pid(struct task_struct *p) +static inline int has_group_leader_pid(const struct task_struct *p) { return p->pid == p->tgid; } @@ -1738,7 +1738,7 @@ static inline struct task_struct *next_thread(const struct task_struct *p) struct task_struct, thread_group); } -static inline int thread_group_empty(struct task_struct *p) +static inline int thread_group_empty(const struct task_struct *p) { return list_empty(&p->thread_group); } -- cgit v1.2.3-59-g8ed1b