[PATCH] identifier to nsproxy

[linux-2.6] / kernel / exit.c

diff --git a/kernel/exit.c b/kernel/exit.c
index 06de6c4e8ca3a66937ce8763d33ca42852fbb698..28d9feedfd27a4633f68e172f8ab83c78e827116 100644 (file)
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -13,7 +13,7 @@
 #include <linux/completion.h>
 #include <linux/personality.h>
 #include <linux/tty.h>
-#include <linux/namespace.h>
+#include <linux/mnt_namespace.h>
 #include <linux/key.h>
 #include <linux/security.h>
 #include <linux/cpu.h>
@@ -193,14 +193,14 @@ int session_of_pgrp(int pgrp)
 
        read_lock(&tasklist_lock);
        do_each_task_pid(pgrp, PIDTYPE_PGID, p) {
-               if (p->signal->session > 0) {
-                       sid = p->signal->session;
+               if (process_session(p) > 0) {
+                       sid = process_session(p);
                        goto out;
                }
        } while_each_task_pid(pgrp, PIDTYPE_PGID, p);
        p = find_task_by_pid(pgrp);
        if (p)
-               sid = p->signal->session;
+               sid = process_session(p);
 out:
        read_unlock(&tasklist_lock);
        
@@ -225,8 +225,8 @@ static int will_become_orphaned_pgrp(int pgrp, struct task_struct *ignored_task)
                                || p->exit_state
                                || is_init(p->real_parent))
                        continue;
-               if (process_group(p->real_parent) != pgrp
-                           && p->real_parent->signal->session == p->signal->session) {
+               if (process_group(p->real_parent) != pgrp &&
+                   process_session(p->real_parent) == process_session(p)) {
                        ret = 0;
                        break;
                }
@@ -302,9 +302,9 @@ void __set_special_pids(pid_t session, pid_t pgrp)
 {
        struct task_struct *curr = current->group_leader;
 
-       if (curr->signal->session != session) {
+       if (process_session(curr) != session) {
                detach_pid(curr, PIDTYPE_SID);
-               curr->signal->session = session;
+               set_signal_session(curr->signal, session);
                attach_pid(curr, PIDTYPE_SID, session);
        }
        if (process_group(curr) != pgrp) {
@@ -314,7 +314,7 @@ void __set_special_pids(pid_t session, pid_t pgrp)
        }
 }
 
-void set_special_pids(pid_t session, pid_t pgrp)
+static void set_special_pids(pid_t session, pid_t pgrp)
 {
        write_lock_irq(&tasklist_lock);
        __set_special_pids(session, pgrp);
@@ -384,9 +384,7 @@ void daemonize(const char *name, ...)
        exit_mm(current);
 
        set_special_pids(1, 1);
-       mutex_lock(&tty_mutex);
-       current->signal->tty = NULL;
-       mutex_unlock(&tty_mutex);
+       proc_clear_tty(current);
 
        /* Block and flush all signals */
        sigfillset(&blocked);
@@ -649,10 +647,11 @@ reparent_thread(struct task_struct *p, struct task_struct *father, int traced)
         * outside, so the child pgrp is now orphaned.
         */
        if ((process_group(p) != process_group(father)) &&
-           (p->signal->session == father->signal->session)) {
+           (process_session(p) == process_session(father))) {
                int pgrp = process_group(p);
 
-               if (will_become_orphaned_pgrp(pgrp, NULL) && has_stopped_jobs(pgrp)) {
+               if (will_become_orphaned_pgrp(pgrp, NULL) &&
+                   has_stopped_jobs(pgrp)) {
                        __kill_pg_info(SIGHUP, SEND_SIG_PRIV, pgrp);
                        __kill_pg_info(SIGCONT, SEND_SIG_PRIV, pgrp);
                }
@@ -786,7 +785,7 @@ static void exit_notify(struct task_struct *tsk)
        t = tsk->real_parent;
        
        if ((process_group(t) != process_group(tsk)) &&
-           (t->signal->session == tsk->signal->session) &&
+           (process_session(t) == process_session(tsk)) &&
            will_become_orphaned_pgrp(process_group(tsk), tsk) &&
            has_stopped_jobs(process_group(tsk))) {
                __kill_pg_info(SIGHUP, SEND_SIG_PRIV, process_group(tsk));
@@ -850,9 +849,7 @@ static void exit_notify(struct task_struct *tsk)
 fastcall NORET_TYPE void do_exit(long code)
 {
        struct task_struct *tsk = current;
-       struct taskstats *tidstats;
        int group_dead;
-       unsigned int mycpu;
 
        profile_task_exit(tsk);
 
@@ -890,8 +887,6 @@ fastcall NORET_TYPE void do_exit(long code)
                                current->comm, current->pid,
                                preempt_count());
 
-       taskstats_exit_alloc(&tidstats, &mycpu);
-
        acct_update_integrals(tsk);
        if (tsk->mm) {
                update_hiwater_rss(tsk->mm);
@@ -911,8 +906,8 @@ fastcall NORET_TYPE void do_exit(long code)
 #endif
        if (unlikely(tsk->audit_context))
                audit_free(tsk);
-       taskstats_exit_send(tsk, tidstats, group_dead, mycpu);
-       taskstats_exit_free(tidstats);
+
+       taskstats_exit(tsk, group_dead);
 
        exit_mm(tsk);