return 0;
read_lock(&tasklist_lock);
- p = find_task_by_pid(pid);
+ p = find_task_by_vpid(pid);
if (!p || !(CPUCLOCK_PERTHREAD(which_clock) ?
same_thread_group(p, current) : thread_group_leader(p))) {
error = -EINVAL;
*/
struct task_struct *p;
rcu_read_lock();
- p = find_task_by_pid(pid);
+ p = find_task_by_vpid(pid);
if (p) {
if (CPUCLOCK_PERTHREAD(which_clock)) {
if (same_thread_group(p, current)) {
if (pid == 0) {
p = current;
} else {
- p = find_task_by_pid(pid);
+ p = find_task_by_vpid(pid);
if (p && !same_thread_group(p, current))
p = NULL;
}
if (pid == 0) {
p = current->group_leader;
} else {
- p = find_task_by_pid(pid);
+ p = find_task_by_vpid(pid);
if (p && !thread_group_leader(p))
p = NULL;
}
{
int maxfire;
struct list_head *timers = tsk->cpu_timers;
+ struct signal_struct *const sig = tsk->signal;
maxfire = 20;
tsk->it_prof_expires = cputime_zero;
t->firing = 1;
list_move_tail(&t->entry, firing);
}
+
+ /*
+ * Check for the special case thread timers.
+ */
+ if (sig->rlim[RLIMIT_RTTIME].rlim_cur != RLIM_INFINITY) {
+ unsigned long hard = sig->rlim[RLIMIT_RTTIME].rlim_max;
+ unsigned long *soft = &sig->rlim[RLIMIT_RTTIME].rlim_cur;
+
+ if (hard != RLIM_INFINITY &&
+ tsk->rt.timeout > DIV_ROUND_UP(hard, USEC_PER_SEC/HZ)) {
+ /*
+ * At the hard limit, we just die.
+ * No need to calculate anything else now.
+ */
+ __group_send_sig_info(SIGKILL, SEND_SIG_PRIV, tsk);
+ return;
+ }
+ if (tsk->rt.timeout > DIV_ROUND_UP(*soft, USEC_PER_SEC/HZ)) {
+ /*
+ * At the soft limit, send a SIGXCPU every second.
+ */
+ if (sig->rlim[RLIMIT_RTTIME].rlim_cur
+ < sig->rlim[RLIMIT_RTTIME].rlim_max) {
+ sig->rlim[RLIMIT_RTTIME].rlim_cur +=
+ USEC_PER_SEC;
+ }
+ __group_send_sig_info(SIGXCPU, SEND_SIG_PRIV, tsk);
+ }
+ }
}
/*
maxfire = 20;
prof_expires = cputime_zero;
while (!list_empty(timers)) {
- struct cpu_timer_list *t = list_first_entry(timers,
+ struct cpu_timer_list *tl = list_first_entry(timers,
struct cpu_timer_list,
entry);
- if (!--maxfire || cputime_lt(ptime, t->expires.cpu)) {
- prof_expires = t->expires.cpu;
+ if (!--maxfire || cputime_lt(ptime, tl->expires.cpu)) {
+ prof_expires = tl->expires.cpu;
break;
}
- t->firing = 1;
- list_move_tail(&t->entry, firing);
+ tl->firing = 1;
+ list_move_tail(&tl->entry, firing);
}
++timers;
maxfire = 20;
virt_expires = cputime_zero;
while (!list_empty(timers)) {
- struct cpu_timer_list *t = list_first_entry(timers,
+ struct cpu_timer_list *tl = list_first_entry(timers,
struct cpu_timer_list,
entry);
- if (!--maxfire || cputime_lt(utime, t->expires.cpu)) {
- virt_expires = t->expires.cpu;
+ if (!--maxfire || cputime_lt(utime, tl->expires.cpu)) {
+ virt_expires = tl->expires.cpu;
break;
}
- t->firing = 1;
- list_move_tail(&t->entry, firing);
+ tl->firing = 1;
+ list_move_tail(&tl->entry, firing);
}
++timers;
maxfire = 20;
sched_expires = 0;
while (!list_empty(timers)) {
- struct cpu_timer_list *t = list_first_entry(timers,
+ struct cpu_timer_list *tl = list_first_entry(timers,
struct cpu_timer_list,
entry);
- if (!--maxfire || sum_sched_runtime < t->expires.sched) {
- sched_expires = t->expires.sched;
+ if (!--maxfire || sum_sched_runtime < tl->expires.sched) {
+ sched_expires = tl->expires.sched;
break;
}
- t->firing = 1;
- list_move_tail(&t->entry, firing);
+ tl->firing = 1;
+ list_move_tail(&tl->entry, firing);
}
/*