linux_old1/include/linux/restart_block.h

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/*
* Common syscall restarting data
*/
#ifndef __LINUX_RESTART_BLOCK_H
#define __LINUX_RESTART_BLOCK_H
#include <linux/compiler.h>
#include <linux/types.h>
struct timespec;
struct compat_timespec;
struct pollfd;
/*
* System call restart block.
*/
struct restart_block {
long (*fn)(struct restart_block *);
union {
/* For futex_wait and futex_wait_requeue_pi */
struct {
u32 __user *uaddr;
u32 val;
u32 flags;
u32 bitset;
u64 time;
u32 __user *uaddr2;
} futex;
/* For nanosleep */
struct {
clockid_t clockid;
struct timespec __user *rmtp;
#ifdef CONFIG_COMPAT
struct compat_timespec __user *compat_rmtp;
#endif
u64 expires;
} nanosleep;
/* For poll */
struct {
struct pollfd __user *ufds;
int nfds;
int has_timeout;
unsigned long tv_sec;
unsigned long tv_nsec;
} poll;
};
};
extern long do_no_restart_syscall(struct restart_block *parm);
#endif /* __LINUX_RESTART_BLOCK_H */