libertas: unify various CF-related defines
[safe/jmp/linux-2.6] / kernel / posix-timers.c
index 7a15afb..dbd8398 100644 (file)
@@ -37,7 +37,6 @@
 #include <linux/mutex.h>
 
 #include <asm/uaccess.h>
-#include <asm/semaphore.h>
 #include <linux/list.h>
 #include <linux/init.h>
 #include <linux/compiler.h>
@@ -241,7 +240,8 @@ static __init int init_posix_timers(void)
        register_posix_clock(CLOCK_MONOTONIC, &clock_monotonic);
 
        posix_timers_cache = kmem_cache_create("posix_timers_cache",
-                                       sizeof (struct k_itimer), 0, 0, NULL);
+                                       sizeof (struct k_itimer), 0, SLAB_PANIC,
+                                       NULL);
        idr_init(&posix_timers_id);
        return 0;
 }
@@ -255,8 +255,9 @@ static void schedule_next_timer(struct k_itimer *timr)
        if (timr->it.real.interval.tv64 == 0)
                return;
 
-       timr->it_overrun += hrtimer_forward(timer, timer->base->get_time(),
-                                           timr->it.real.interval);
+       timr->it_overrun += (unsigned int) hrtimer_forward(timer,
+                                               timer->base->get_time(),
+                                               timr->it.real.interval);
 
        timr->it_overrun_last = timr->it_overrun;
        timr->it_overrun = -1;
@@ -309,8 +310,7 @@ int posix_timer_event(struct k_itimer *timr,int si_private)
 
        if (timr->it_sigev_notify & SIGEV_THREAD_ID) {
                struct task_struct *leader;
-               int ret = send_sigqueue(timr->it_sigev_signo, timr->sigq,
-                                       timr->it_process);
+               int ret = send_sigqueue(timr->sigq, timr->it_process, 0);
 
                if (likely(ret >= 0))
                        return ret;
@@ -321,8 +321,7 @@ int posix_timer_event(struct k_itimer *timr,int si_private)
                timr->it_process = leader;
        }
 
-       return send_group_sigqueue(timr->it_sigev_signo, timr->sigq,
-                                  timr->it_process);
+       return send_sigqueue(timr->sigq, timr->it_process, 1);
 }
 EXPORT_SYMBOL_GPL(posix_timer_event);
 
@@ -385,7 +384,7 @@ static enum hrtimer_restart posix_timer_fn(struct hrtimer *timer)
                                        now = ktime_add(now, kj);
                        }
 #endif
-                       timr->it_overrun +=
+                       timr->it_overrun += (unsigned int)
                                hrtimer_forward(timer, now,
                                                timr->it.real.interval);
                        ret = HRTIMER_RESTART;
@@ -402,8 +401,8 @@ static struct task_struct * good_sigevent(sigevent_t * event)
        struct task_struct *rtn = current->group_leader;
 
        if ((event->sigev_notify & SIGEV_THREAD_ID ) &&
-               (!(rtn = find_task_by_pid(event->sigev_notify_thread_id)) ||
-                rtn->tgid != current->tgid ||
+               (!(rtn = find_task_by_vpid(event->sigev_notify_thread_id)) ||
+                !same_thread_group(rtn, current) ||
                 (event->sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_SIGNAL))
                return NULL;
 
@@ -492,7 +491,7 @@ sys_timer_create(const clockid_t which_clock,
                goto retry;
        else if (error) {
                /*
-                * Wierd looking, but we return EAGAIN if the IDR is
+                * Weird looking, but we return EAGAIN if the IDR is
                 * full (proper POSIX return value for this)
                 */
                error = -EAGAIN;
@@ -607,7 +606,7 @@ static struct k_itimer * lock_timer(timer_t timer_id, unsigned long *flags)
                spin_lock(&timr->it_lock);
 
                if ((timr->it_id != timer_id) || !(timr->it_process) ||
-                               timr->it_process->tgid != current->tgid) {
+                               !same_thread_group(timr->it_process, current)) {
                        spin_unlock(&timr->it_lock);
                        spin_unlock_irqrestore(&idr_lock, *flags);
                        timr = NULL;
@@ -661,7 +660,7 @@ common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)
         */
        if (iv.tv64 && (timr->it_requeue_pending & REQUEUE_PENDING ||
            (timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE))
-               timr->it_overrun += hrtimer_forward(timer, now, iv);
+               timr->it_overrun += (unsigned int) hrtimer_forward(timer, now, iv);
 
        remaining = ktime_sub(timer->expires, now);
        /* Return 0 only, when the timer is expired and not pending */
@@ -712,7 +711,7 @@ sys_timer_getoverrun(timer_t timer_id)
 {
        struct k_itimer *timr;
        int overrun;
-       long flags;
+       unsigned long flags;
 
        timr = lock_timer(timer_id, &flags);
        if (!timr)
@@ -765,9 +764,11 @@ common_timer_set(struct k_itimer *timr, int flags,
        /* SIGEV_NONE timers are not queued ! See common_timer_get */
        if (((timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE)) {
                /* Setup correct expiry time for relative timers */
-               if (mode == HRTIMER_MODE_REL)
-                       timer->expires = ktime_add(timer->expires,
-                                                  timer->base->get_time());
+               if (mode == HRTIMER_MODE_REL) {
+                       timer->expires =
+                               ktime_add_safe(timer->expires,
+                                              timer->base->get_time());
+               }
                return 0;
        }
 
@@ -784,7 +785,7 @@ sys_timer_settime(timer_t timer_id, int flags,
        struct k_itimer *timr;
        struct itimerspec new_spec, old_spec;
        int error = 0;
-       long flag;
+       unsigned long flag;
        struct itimerspec *rtn = old_setting ? &old_spec : NULL;
 
        if (!new_setting)
@@ -836,7 +837,7 @@ asmlinkage long
 sys_timer_delete(timer_t timer_id)
 {
        struct k_itimer *timer;
-       long flags;
+       unsigned long flags;
 
 retry_delete:
        timer = lock_timer(timer_id, &flags);