#include <linux/compiler.h>
#include <linux/wait.h>
#include <linux/string.h>
-#include <linux/mm.h>
+#include <linux/fs.h>
+#include <linux/sched.h>
#include <asm/uaccess.h>
+/* ~832 bytes of stack space used max in sys_select/sys_poll before allocating
+ additional memory. */
+#define MAX_STACK_ALLOC 832
+#define FRONTEND_STACK_ALLOC 256
+#define SELECT_STACK_ALLOC FRONTEND_STACK_ALLOC
+#define POLL_STACK_ALLOC FRONTEND_STACK_ALLOC
+#define WQUEUES_STACK_ALLOC (MAX_STACK_ALLOC - FRONTEND_STACK_ALLOC)
+#define N_INLINE_POLL_ENTRIES (WQUEUES_STACK_ALLOC / sizeof(struct poll_table_entry))
+
+#define DEFAULT_POLLMASK (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM)
+
struct poll_table_struct;
/*
pt->qproc = qproc;
}
+struct poll_table_entry {
+ struct file * filp;
+ wait_queue_t wait;
+ wait_queue_head_t * wait_address;
+};
+
/*
* Structures and helpers for sys_poll/sys_poll
*/
poll_table pt;
struct poll_table_page * table;
int error;
+ int inline_index;
+ struct poll_table_entry inline_entries[N_INLINE_POLL_ENTRIES];
};
extern void poll_initwait(struct poll_wqueues *pwq);
#define MAX_INT64_SECONDS (((s64)(~((u64)0)>>1)/HZ)-1)
-extern int do_select(int n, fd_set_bits *fds, s64 *timeout);
+extern int do_select(int n, fd_set_bits *fds, struct timespec *end_time);
extern int do_sys_poll(struct pollfd __user * ufds, unsigned int nfds,
- s64 *timeout);
+ struct timespec *end_time);
+extern int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp,
+ fd_set __user *exp, struct timespec *end_time);
+
+extern int poll_select_set_timeout(struct timespec *to, long sec, long nsec);
#endif /* KERNEL */