*/
#include <linux/kernel.h>
+#include <linux/sched.h>
#include <linux/syscalls.h>
#include <linux/module.h>
#include <linux/slab.h>
* better solutions..
*/
+#define MAX_SLACK (100 * NSEC_PER_MSEC)
+
static long __estimate_accuracy(struct timespec *tv)
{
long slack;
int divfactor = 1000;
+ if (tv->tv_sec < 0)
+ return 0;
+
if (task_nice(current) > 0)
divfactor = divfactor / 5;
+ if (tv->tv_sec > MAX_SLACK / (NSEC_PER_SEC/divfactor))
+ return MAX_SLACK;
+
slack = tv->tv_nsec / divfactor;
slack += tv->tv_sec * (NSEC_PER_SEC/divfactor);
- if (slack > 100 * NSEC_PER_MSEC)
- slack = 100 * NSEC_PER_MSEC;
+ if (slack > MAX_SLACK)
+ return MAX_SLACK;
- if (slack < 0)
- slack = 0;
return slack;
}
{
init_poll_funcptr(&pwq->pt, __pollwait);
pwq->polling_task = current;
+ pwq->triggered = 0;
pwq->error = 0;
pwq->table = NULL;
pwq->inline_index = 0;
}
#endif /* HAVE_SET_RESTORE_SIGMASK */
+#ifdef __ARCH_WANT_SYS_OLD_SELECT
+struct sel_arg_struct {
+ unsigned long n;
+ fd_set __user *inp, *outp, *exp;
+ struct timeval __user *tvp;
+};
+
+SYSCALL_DEFINE1(old_select, struct sel_arg_struct __user *, arg)
+{
+ struct sel_arg_struct a;
+
+ if (copy_from_user(&a, arg, sizeof(a)))
+ return -EFAULT;
+ return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
+}
+#endif
+
struct poll_list {
struct poll_list *next;
int len;
struct poll_list *walk = head;
unsigned long todo = nfds;
- if (nfds > current->signal->rlim[RLIMIT_NOFILE].rlim_cur)
+ if (nfds > rlimit(RLIMIT_NOFILE))
return -EINVAL;
len = min_t(unsigned int, nfds, N_STACK_PPS);