#include <linux/futex.h> /* for FUTEX_WAIT */
#include <linux/syscalls.h>
#include <linux/unistd.h>
+#include <linux/security.h>
#include <asm/uaccess.h>
struct compat_tms tmp;
struct task_struct *tsk = current;
struct task_struct *t;
- unsigned long utime, stime, cutime, cstime;
+ cputime_t utime, stime, cutime, cstime;
read_lock(&tasklist_lock);
utime = tsk->signal->utime;
stime = tsk->signal->stime;
t = tsk;
do {
- utime += t->utime;
- stime += t->stime;
+ utime = cputime_add(utime, t->utime);
+ stime = cputime_add(stime, t->stime);
t = next_thread(t);
} while (t != tsk);
spin_unlock_irq(&tsk->sighand->siglock);
read_unlock(&tasklist_lock);
- tmp.tms_utime = compat_jiffies_to_clock_t(utime);
- tmp.tms_stime = compat_jiffies_to_clock_t(stime);
- tmp.tms_cutime = compat_jiffies_to_clock_t(cutime);
- tmp.tms_cstime = compat_jiffies_to_clock_t(cstime);
+ tmp.tms_utime = compat_jiffies_to_clock_t(cputime_to_jiffies(utime));
+ tmp.tms_stime = compat_jiffies_to_clock_t(cputime_to_jiffies(stime));
+ tmp.tms_cutime = compat_jiffies_to_clock_t(cputime_to_jiffies(cutime));
+ tmp.tms_cstime = compat_jiffies_to_clock_t(cputime_to_jiffies(cstime));
if (copy_to_user(tbuf, &tmp, sizeof(tmp)))
return -EFAULT;
}
return 0;
}
-long compat_timer_settime(timer_t timer_id, int flags,
+long compat_sys_timer_settime(timer_t timer_id, int flags,
struct compat_itimerspec __user *new,
struct compat_itimerspec __user *old)
{
return err;
}
-long compat_timer_gettime(timer_t timer_id,
+long compat_sys_timer_gettime(timer_t timer_id,
struct compat_itimerspec __user *setting)
{
long err;
return err;
}
-long compat_clock_settime(clockid_t which_clock,
+long compat_sys_clock_settime(clockid_t which_clock,
struct compat_timespec __user *tp)
{
long err;
return err;
}
-long compat_clock_gettime(clockid_t which_clock,
+long compat_sys_clock_gettime(clockid_t which_clock,
struct compat_timespec __user *tp)
{
long err;
return err;
}
-long compat_clock_getres(clockid_t which_clock,
+long compat_sys_clock_getres(clockid_t which_clock,
struct compat_timespec __user *tp)
{
long err;
return err;
}
-long compat_clock_nanosleep(clockid_t which_clock, int flags,
+long compat_sys_clock_nanosleep(clockid_t which_clock, int flags,
struct compat_timespec __user *rqtp,
struct compat_timespec __user *rmtp)
{
return 0;
}
+
+void
+sigset_from_compat (sigset_t *set, compat_sigset_t *compat)
+{
+ switch (_NSIG_WORDS) {
+#if defined (__COMPAT_ENDIAN_SWAP__)
+ case 4: set->sig[3] = compat->sig[7] | (((long)compat->sig[6]) << 32 );
+ case 3: set->sig[2] = compat->sig[5] | (((long)compat->sig[4]) << 32 );
+ case 2: set->sig[1] = compat->sig[3] | (((long)compat->sig[2]) << 32 );
+ case 1: set->sig[0] = compat->sig[1] | (((long)compat->sig[0]) << 32 );
+#else
+ case 4: set->sig[3] = compat->sig[6] | (((long)compat->sig[7]) << 32 );
+ case 3: set->sig[2] = compat->sig[4] | (((long)compat->sig[5]) << 32 );
+ case 2: set->sig[1] = compat->sig[2] | (((long)compat->sig[3]) << 32 );
+ case 1: set->sig[0] = compat->sig[0] | (((long)compat->sig[1]) << 32 );
+#endif
+ }
+}
+
+asmlinkage long
+compat_sys_rt_sigtimedwait (compat_sigset_t __user *uthese,
+ struct compat_siginfo __user *uinfo,
+ struct compat_timespec __user *uts, compat_size_t sigsetsize)
+{
+ compat_sigset_t s32;
+ sigset_t s;
+ int sig;
+ struct timespec t;
+ siginfo_t info;
+ long ret, timeout = 0;
+
+ if (sigsetsize != sizeof(sigset_t))
+ return -EINVAL;
+
+ if (copy_from_user(&s32, uthese, sizeof(compat_sigset_t)))
+ return -EFAULT;
+ sigset_from_compat(&s, &s32);
+ sigdelsetmask(&s,sigmask(SIGKILL)|sigmask(SIGSTOP));
+ signotset(&s);
+
+ if (uts) {
+ if (get_compat_timespec (&t, uts))
+ return -EFAULT;
+ if (t.tv_nsec >= 1000000000L || t.tv_nsec < 0
+ || t.tv_sec < 0)
+ return -EINVAL;
+ }
+
+ spin_lock_irq(¤t->sighand->siglock);
+ sig = dequeue_signal(current, &s, &info);
+ if (!sig) {
+ timeout = MAX_SCHEDULE_TIMEOUT;
+ if (uts)
+ timeout = timespec_to_jiffies(&t)
+ +(t.tv_sec || t.tv_nsec);
+ if (timeout) {
+ current->real_blocked = current->blocked;
+ sigandsets(¤t->blocked, ¤t->blocked, &s);
+
+ recalc_sigpending();
+ spin_unlock_irq(¤t->sighand->siglock);
+
+ current->state = TASK_INTERRUPTIBLE;
+ timeout = schedule_timeout(timeout);
+
+ spin_lock_irq(¤t->sighand->siglock);
+ sig = dequeue_signal(current, &s, &info);
+ current->blocked = current->real_blocked;
+ siginitset(¤t->real_blocked, 0);
+ recalc_sigpending();
+ }
+ }
+ spin_unlock_irq(¤t->sighand->siglock);
+
+ if (sig) {
+ ret = sig;
+ if (uinfo) {
+ if (copy_siginfo_to_user32(uinfo, &info))
+ ret = -EFAULT;
+ }
+ }else {
+ ret = timeout?-EINTR:-EAGAIN;
+ }
+ return ret;
+
+}
+
+#ifdef __ARCH_WANT_COMPAT_SYS_TIME
+
+/* compat_time_t is a 32 bit "long" and needs to get converted. */
+
+asmlinkage long compat_sys_time(compat_time_t __user * tloc)
+{
+ compat_time_t i;
+ struct timeval tv;
+
+ do_gettimeofday(&tv);
+ i = tv.tv_sec;
+
+ if (tloc) {
+ if (put_user(i,tloc))
+ i = -EFAULT;
+ }
+ return i;
+}
+
+asmlinkage long compat_sys_stime(compat_time_t __user *tptr)
+{
+ struct timespec tv;
+ int err;
+
+ if (get_user(tv.tv_sec, tptr))
+ return -EFAULT;
+
+ tv.tv_nsec = 0;
+
+ err = security_settime(&tv, NULL);
+ if (err)
+ return err;
+
+ do_settimeofday(&tv);
+ return 0;
+}
+
+#endif /* __ARCH_WANT_COMPAT_SYS_TIME */
git://git.onelab.eu / linux-2.6.git / blobdiff