syscall: add sigqueueinfo, signalfd and pread

Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

arch/x86/syscall-x86-64.def

@@ -21,6 +21,7 @@ __NR_rt_sigaction	13		sys_sigaction		(int signum, const rt_sigaction_t *act, rt_
 __NR_rt_sigprocmask	14		sys_sigprocmask		(int how, k_rtsigset_t *set, k_rtsigset_t *old, size_t sigsetsize)
 __NR_rt_sigreturn	15		sys_rt_sigreturn	(void)
 __NR_ioctl		16		sys_ioctl		(unsigned int fd, unsigned int cmd, unsigned long arg)
+__NR_pread64		17		sys_pread		(unsigned int fd, char *buf, size_t count, loff_t pos)
 __NR_mremap		25		sys_mremap		(unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags, unsigned long new_addr)
 __NR_mincore		27		sys_mincore		(void *addr, unsigned long size, unsigned char *vec)
 __NR_madvise		28		sys_madvise		(unsigned long start, size_t len, int behavior)
@@ -56,6 +57,7 @@ __NR_setfsuid		122		sys_setfsuid		(int fsuid)
 __NR_setfsgid		123		sys_setfsgid		(int fsgid)
 __NR_getsid		124		sys_getsid		(void)
 __NR_capset		126		sys_capset		(struct cap_header *h, struct cap_data *d)
+__NR_rt_sigqueueinfo	129		sys_rt_sigqueueinfo	(pid_t pid, int sig, siginfo_t *info)
 __NR_personality	135		sys_personality		(unsigned int personality)
 __NR_setpriority	141		sys_setpriority		(int which, int who, int nice)
 __NR_sched_setscheduler	144		sys_sched_setscheduler	(int pid, int policy, struct sched_param *p)
@@ -73,6 +75,8 @@ __NR_restart_syscall	219		sys_restart_syscall	(void)
 __NR_exit_group		231		sys_exit_group		(int error_code)
 __NR_set_robust_list	273		sys_set_robust_list	(struct robust_list_head *head, size_t len)
 __NR_get_robust_list	274		sys_get_robust_list	(int pid, struct robust_list_head **head_ptr, size_t *len_ptr)
+__NR_signalfd4		289		sys_signalfd		(int fd, k_rtsigset_t *mask, size_t sizemask, int flags)
+__NR_rt_tgsigqueueinfo	297		sys_rt_tgsigqueueinfo	(pid_t tgid, pid_t pid, int sig, siginfo_t *info)
 __NR_fanotify_init	300		sys_fanotify_init	(unsigned int flags, unsigned int event_f_flags)
 __NR_fanotify_mark	301		sys_fanotify_mark	(int fanotify_fd, unsigned int flags, u64 mask, int dfd, const char *pathname)
 __NR_open_by_handle_at	304		sys_open_by_handle_at	(int mountdirfd, struct file_handle *handle, int flags)