]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - kernel/signal.c
PM: Export device_pm_schedule_removal
[linux-2.6-omap-h63xx.git] / kernel / signal.c
index afa4f781f924999086c3fe2f34530e1ee84b6496..4333b6dbb424f9e0bb7f07148077254106386a50 100644 (file)
@@ -456,15 +456,15 @@ void signal_wake_up(struct task_struct *t, int resume)
        set_tsk_thread_flag(t, TIF_SIGPENDING);
 
        /*
-        * For SIGKILL, we want to wake it up in the stopped/traced case.
-        * We don't check t->state here because there is a race with it
+        * For SIGKILL, we want to wake it up in the stopped/traced/killable
+        * case. We don't check t->state here because there is a race with it
         * executing another processor and just now entering stopped state.
         * By using wake_up_state, we ensure the process will wake up and
         * handle its death signal.
         */
        mask = TASK_INTERRUPTIBLE;
        if (resume)
-               mask |= TASK_STOPPED | TASK_TRACED;
+               mask |= TASK_WAKEKILL;
        if (!wake_up_state(t, mask))
                kick_process(t);
 }
@@ -620,7 +620,7 @@ static void handle_stop_signal(int sig, struct task_struct *p)
                         * Wake up the stopped thread _after_ setting
                         * TIF_SIGPENDING
                         */
-                       state = TASK_STOPPED;
+                       state = __TASK_STOPPED;
                        if (sig_user_defined(t, SIGCONT) && !sigismember(&t->blocked, SIGCONT)) {
                                set_tsk_thread_flag(t, TIF_SIGPENDING);
                                state |= TASK_INTERRUPTIBLE;
@@ -733,13 +733,13 @@ static void print_fatal_signal(struct pt_regs *regs, int signr)
                current->comm, task_pid_nr(current), signr);
 
 #if defined(__i386__) && !defined(__arch_um__)
-       printk("code at %08lx: ", regs->eip);
+       printk("code at %08lx: ", regs->ip);
        {
                int i;
                for (i = 0; i < 16; i++) {
                        unsigned char insn;
 
-                       __get_user(insn, (unsigned char *)(regs->eip + i));
+                       __get_user(insn, (unsigned char *)(regs->ip + i));
                        printk("%02x ", insn);
                }
        }
@@ -838,7 +838,7 @@ static inline int wants_signal(int sig, struct task_struct *p)
                return 0;
        if (sig == SIGKILL)
                return 1;
-       if (p->state & (TASK_STOPPED | TASK_TRACED))
+       if (task_is_stopped_or_traced(p))
                return 0;
        return task_curr(p) || !signal_pending(p);
 }
@@ -994,6 +994,12 @@ void zap_other_threads(struct task_struct *p)
        }
 }
 
+int fastcall __fatal_signal_pending(struct task_struct *tsk)
+{
+       return sigismember(&tsk->pending.signal, SIGKILL);
+}
+EXPORT_SYMBOL(__fatal_signal_pending);
+
 /*
  * Must be called under rcu_read_lock() or with tasklist_lock read-held.
  */
@@ -1441,7 +1447,7 @@ void do_notify_parent(struct task_struct *tsk, int sig)
        BUG_ON(sig == -1);
 
        /* do_notify_parent_cldstop should have been called instead.  */
-       BUG_ON(tsk->state & (TASK_STOPPED|TASK_TRACED));
+       BUG_ON(task_is_stopped_or_traced(tsk));
 
        BUG_ON(!tsk->ptrace &&
               (tsk->group_leader != tsk || !thread_group_empty(tsk)));
@@ -1729,7 +1735,7 @@ static int do_signal_stop(int signr)
                         * so this check has no races.
                         */
                        if (!t->exit_state &&
-                           !(t->state & (TASK_STOPPED|TASK_TRACED))) {
+                           !task_is_stopped_or_traced(t)) {
                                stop_count++;
                                signal_wake_up(t, 0);
                        }