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4d672e7ac7
linux/arch/arm/kernel/calls.S
Davide Libenzi 4d672e7ac7 timerfd: new timerfd API 
This is the new timerfd API as it is implemented by the following patch:

int timerfd_create(int clockid, int flags);
int timerfd_settime(int ufd, int flags,
		    const struct itimerspec *utmr,
		    struct itimerspec *otmr);
int timerfd_gettime(int ufd, struct itimerspec *otmr);

The timerfd_create() API creates an un-programmed timerfd fd.  The "clockid"
parameter can be either CLOCK_MONOTONIC or CLOCK_REALTIME.

The timerfd_settime() API give new settings by the timerfd fd, by optionally
retrieving the previous expiration time (in case the "otmr" parameter is not
NULL).

The time value specified in "utmr" is absolute, if the TFD_TIMER_ABSTIME bit
is set in the "flags" parameter.  Otherwise it's a relative time.

The timerfd_gettime() API returns the next expiration time of the timer, or
{0, 0} if the timerfd has not been set yet.

Like the previous timerfd API implementation, read(2) and poll(2) are
supported (with the same interface).  Here's a simple test program I used to
exercise the new timerfd APIs:

http://www.xmailserver.org/timerfd-test2.c

[akpm@linux-foundation.org: coding-style cleanups]
[akpm@linux-foundation.org: fix ia64 build]
[akpm@linux-foundation.org: fix m68k build]
[akpm@linux-foundation.org: fix mips build]
[akpm@linux-foundation.org: fix alpha, arm, blackfin, cris, m68k, s390, sparc and sparc64 builds]
[heiko.carstens@de.ibm.com: fix s390]
[akpm@linux-foundation.org: fix powerpc build]
[akpm@linux-foundation.org: fix sparc64 more]
Signed-off-by: Davide Libenzi <davidel@xmailserver.org>
Cc: Michael Kerrisk <mtk-manpages@gmx.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Davide Libenzi <davidel@xmailserver.org>
Cc: Michael Kerrisk <mtk-manpages@gmx.net>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Davide Libenzi <davidel@xmailserver.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-05 09:44:07 -08:00

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/*
* linux/arch/arm/kernel/calls.S
*
* Copyright (C) 1995-2005 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This file is included thrice in entry-common.S
*/
/* 0 */ CALL(sys_restart_syscall)
CALL(sys_exit)
CALL(sys_fork_wrapper)
CALL(sys_read)
CALL(sys_write)
/* 5 */ CALL(sys_open)
CALL(sys_close)
CALL(sys_ni_syscall) /* was sys_waitpid */
CALL(sys_creat)
CALL(sys_link)
/* 10 */ CALL(sys_unlink)
CALL(sys_execve_wrapper)
CALL(sys_chdir)
CALL(OBSOLETE(sys_time)) /* used by libc4 */
CALL(sys_mknod)
/* 15 */ CALL(sys_chmod)
CALL(sys_lchown16)
CALL(sys_ni_syscall) /* was sys_break */
CALL(sys_ni_syscall) /* was sys_stat */
CALL(sys_lseek)
/* 20 */ CALL(sys_getpid)
CALL(sys_mount)
CALL(OBSOLETE(sys_oldumount)) /* used by libc4 */
CALL(sys_setuid16)
CALL(sys_getuid16)
/* 25 */ CALL(OBSOLETE(sys_stime))
CALL(sys_ptrace)
CALL(OBSOLETE(sys_alarm)) /* used by libc4 */
CALL(sys_ni_syscall) /* was sys_fstat */
CALL(sys_pause)
/* 30 */ CALL(OBSOLETE(sys_utime)) /* used by libc4 */
CALL(sys_ni_syscall) /* was sys_stty */
CALL(sys_ni_syscall) /* was sys_getty */
CALL(sys_access)
CALL(sys_nice)
/* 35 */ CALL(sys_ni_syscall) /* was sys_ftime */
CALL(sys_sync)
CALL(sys_kill)
CALL(sys_rename)
CALL(sys_mkdir)
/* 40 */ CALL(sys_rmdir)
CALL(sys_dup)
CALL(sys_pipe)
CALL(sys_times)
CALL(sys_ni_syscall) /* was sys_prof */
/* 45 */ CALL(sys_brk)
CALL(sys_setgid16)
CALL(sys_getgid16)
CALL(sys_ni_syscall) /* was sys_signal */
CALL(sys_geteuid16)
/* 50 */ CALL(sys_getegid16)
CALL(sys_acct)
CALL(sys_umount)
CALL(sys_ni_syscall) /* was sys_lock */
CALL(sys_ioctl)
/* 55 */ CALL(sys_fcntl)
CALL(sys_ni_syscall) /* was sys_mpx */
CALL(sys_setpgid)
CALL(sys_ni_syscall) /* was sys_ulimit */
CALL(sys_ni_syscall) /* was sys_olduname */
/* 60 */ CALL(sys_umask)
CALL(sys_chroot)
CALL(sys_ustat)
CALL(sys_dup2)
CALL(sys_getppid)
/* 65 */ CALL(sys_getpgrp)
CALL(sys_setsid)
CALL(sys_sigaction)
CALL(sys_ni_syscall) /* was sys_sgetmask */
CALL(sys_ni_syscall) /* was sys_ssetmask */
/* 70 */ CALL(sys_setreuid16)
CALL(sys_setregid16)
CALL(sys_sigsuspend_wrapper)
CALL(sys_sigpending)
CALL(sys_sethostname)
/* 75 */ CALL(sys_setrlimit)
CALL(OBSOLETE(sys_old_getrlimit)) /* used by libc4 */
CALL(sys_getrusage)
CALL(sys_gettimeofday)
CALL(sys_settimeofday)
/* 80 */ CALL(sys_getgroups16)
CALL(sys_setgroups16)
CALL(OBSOLETE(old_select)) /* used by libc4 */
CALL(sys_symlink)
CALL(sys_ni_syscall) /* was sys_lstat */
/* 85 */ CALL(sys_readlink)
CALL(sys_uselib)
CALL(sys_swapon)
CALL(sys_reboot)
CALL(OBSOLETE(old_readdir)) /* used by libc4 */
/* 90 */ CALL(OBSOLETE(old_mmap)) /* used by libc4 */
CALL(sys_munmap)
CALL(sys_truncate)
CALL(sys_ftruncate)
CALL(sys_fchmod)
/* 95 */ CALL(sys_fchown16)
CALL(sys_getpriority)
CALL(sys_setpriority)
CALL(sys_ni_syscall) /* was sys_profil */
CALL(sys_statfs)
/* 100 */ CALL(sys_fstatfs)
CALL(sys_ni_syscall) /* sys_ioperm */
CALL(OBSOLETE(ABI(sys_socketcall, sys_oabi_socketcall)))
CALL(sys_syslog)
CALL(sys_setitimer)
/* 105 */ CALL(sys_getitimer)
CALL(sys_newstat)
CALL(sys_newlstat)
CALL(sys_newfstat)
CALL(sys_ni_syscall) /* was sys_uname */
/* 110 */ CALL(sys_ni_syscall) /* was sys_iopl */
CALL(sys_vhangup)
CALL(sys_ni_syscall)
CALL(OBSOLETE(sys_syscall)) /* call a syscall */
CALL(sys_wait4)
/* 115 */ CALL(sys_swapoff)
CALL(sys_sysinfo)
CALL(OBSOLETE(ABI(sys_ipc, sys_oabi_ipc)))
CALL(sys_fsync)
CALL(sys_sigreturn_wrapper)
/* 120 */ CALL(sys_clone_wrapper)
CALL(sys_setdomainname)
CALL(sys_newuname)
CALL(sys_ni_syscall) /* modify_ldt */
CALL(sys_adjtimex)
/* 125 */ CALL(sys_mprotect)
CALL(sys_sigprocmask)
CALL(sys_ni_syscall) /* was sys_create_module */
CALL(sys_init_module)
CALL(sys_delete_module)
/* 130 */ CALL(sys_ni_syscall) /* was sys_get_kernel_syms */
CALL(sys_quotactl)
CALL(sys_getpgid)
CALL(sys_fchdir)
CALL(sys_bdflush)
/* 135 */ CALL(sys_sysfs)
CALL(sys_personality)
CALL(sys_ni_syscall) /* reserved for afs_syscall */
CALL(sys_setfsuid16)
CALL(sys_setfsgid16)
/* 140 */ CALL(sys_llseek)
CALL(sys_getdents)
CALL(sys_select)
CALL(sys_flock)
CALL(sys_msync)
/* 145 */ CALL(sys_readv)
CALL(sys_writev)
CALL(sys_getsid)
CALL(sys_fdatasync)
CALL(sys_sysctl)
/* 150 */ CALL(sys_mlock)
CALL(sys_munlock)
CALL(sys_mlockall)
CALL(sys_munlockall)
CALL(sys_sched_setparam)
/* 155 */ CALL(sys_sched_getparam)
CALL(sys_sched_setscheduler)
CALL(sys_sched_getscheduler)
CALL(sys_sched_yield)
CALL(sys_sched_get_priority_max)
/* 160 */ CALL(sys_sched_get_priority_min)
CALL(sys_sched_rr_get_interval)
CALL(sys_nanosleep)
CALL(sys_arm_mremap)
CALL(sys_setresuid16)
/* 165 */ CALL(sys_getresuid16)
CALL(sys_ni_syscall) /* vm86 */
CALL(sys_ni_syscall) /* was sys_query_module */
CALL(sys_poll)
CALL(sys_nfsservctl)
/* 170 */ CALL(sys_setresgid16)
CALL(sys_getresgid16)
CALL(sys_prctl)
CALL(sys_rt_sigreturn_wrapper)
CALL(sys_rt_sigaction)
/* 175 */ CALL(sys_rt_sigprocmask)
CALL(sys_rt_sigpending)
CALL(sys_rt_sigtimedwait)
CALL(sys_rt_sigqueueinfo)
CALL(sys_rt_sigsuspend_wrapper)
/* 180 */ CALL(ABI(sys_pread64, sys_oabi_pread64))
CALL(ABI(sys_pwrite64, sys_oabi_pwrite64))
CALL(sys_chown16)
CALL(sys_getcwd)
CALL(sys_capget)
/* 185 */ CALL(sys_capset)
CALL(sys_sigaltstack_wrapper)
CALL(sys_sendfile)
CALL(sys_ni_syscall) /* getpmsg */
CALL(sys_ni_syscall) /* putpmsg */
/* 190 */ CALL(sys_vfork_wrapper)
CALL(sys_getrlimit)
CALL(sys_mmap2)
CALL(ABI(sys_truncate64, sys_oabi_truncate64))
CALL(ABI(sys_ftruncate64, sys_oabi_ftruncate64))
/* 195 */ CALL(ABI(sys_stat64, sys_oabi_stat64))
CALL(ABI(sys_lstat64, sys_oabi_lstat64))
CALL(ABI(sys_fstat64, sys_oabi_fstat64))
CALL(sys_lchown)
CALL(sys_getuid)
/* 200 */ CALL(sys_getgid)
CALL(sys_geteuid)
CALL(sys_getegid)
CALL(sys_setreuid)
CALL(sys_setregid)
/* 205 */ CALL(sys_getgroups)
CALL(sys_setgroups)
CALL(sys_fchown)
CALL(sys_setresuid)
CALL(sys_getresuid)
/* 210 */ CALL(sys_setresgid)
CALL(sys_getresgid)
CALL(sys_chown)
CALL(sys_setuid)
CALL(sys_setgid)
/* 215 */ CALL(sys_setfsuid)
CALL(sys_setfsgid)
CALL(sys_getdents64)
CALL(sys_pivot_root)
CALL(sys_mincore)
/* 220 */ CALL(sys_madvise)
CALL(ABI(sys_fcntl64, sys_oabi_fcntl64))
CALL(sys_ni_syscall) /* TUX */
CALL(sys_ni_syscall)
CALL(sys_gettid)
/* 225 */ CALL(ABI(sys_readahead, sys_oabi_readahead))
CALL(sys_setxattr)
CALL(sys_lsetxattr)
CALL(sys_fsetxattr)
CALL(sys_getxattr)
/* 230 */ CALL(sys_lgetxattr)
CALL(sys_fgetxattr)
CALL(sys_listxattr)
CALL(sys_llistxattr)
CALL(sys_flistxattr)
/* 235 */ CALL(sys_removexattr)
CALL(sys_lremovexattr)
CALL(sys_fremovexattr)
CALL(sys_tkill)
CALL(sys_sendfile64)
/* 240 */ CALL(sys_futex)
CALL(sys_sched_setaffinity)
CALL(sys_sched_getaffinity)
CALL(sys_io_setup)
CALL(sys_io_destroy)
/* 245 */ CALL(sys_io_getevents)
CALL(sys_io_submit)
CALL(sys_io_cancel)
CALL(sys_exit_group)
CALL(sys_lookup_dcookie)
/* 250 */ CALL(sys_epoll_create)
CALL(ABI(sys_epoll_ctl, sys_oabi_epoll_ctl))
CALL(ABI(sys_epoll_wait, sys_oabi_epoll_wait))
CALL(sys_remap_file_pages)
CALL(sys_ni_syscall) /* sys_set_thread_area */
/* 255 */ CALL(sys_ni_syscall) /* sys_get_thread_area */
CALL(sys_set_tid_address)
CALL(sys_timer_create)
CALL(sys_timer_settime)
CALL(sys_timer_gettime)
/* 260 */ CALL(sys_timer_getoverrun)
CALL(sys_timer_delete)
CALL(sys_clock_settime)
CALL(sys_clock_gettime)
CALL(sys_clock_getres)
/* 265 */ CALL(sys_clock_nanosleep)
CALL(sys_statfs64_wrapper)
CALL(sys_fstatfs64_wrapper)
CALL(sys_tgkill)
CALL(sys_utimes)
/* 270 */ CALL(sys_arm_fadvise64_64)
CALL(sys_pciconfig_iobase)
CALL(sys_pciconfig_read)
CALL(sys_pciconfig_write)
CALL(sys_mq_open)
/* 275 */ CALL(sys_mq_unlink)
CALL(sys_mq_timedsend)
CALL(sys_mq_timedreceive)
CALL(sys_mq_notify)
CALL(sys_mq_getsetattr)
/* 280 */ CALL(sys_waitid)
CALL(sys_socket)
CALL(ABI(sys_bind, sys_oabi_bind))
CALL(ABI(sys_connect, sys_oabi_connect))
CALL(sys_listen)
/* 285 */ CALL(sys_accept)
CALL(sys_getsockname)
CALL(sys_getpeername)
CALL(sys_socketpair)
CALL(sys_send)
/* 290 */ CALL(ABI(sys_sendto, sys_oabi_sendto))
CALL(sys_recv)
CALL(sys_recvfrom)
CALL(sys_shutdown)
CALL(sys_setsockopt)
/* 295 */ CALL(sys_getsockopt)
CALL(ABI(sys_sendmsg, sys_oabi_sendmsg))
CALL(sys_recvmsg)
CALL(ABI(sys_semop, sys_oabi_semop))
CALL(sys_semget)
/* 300 */ CALL(sys_semctl)
CALL(sys_msgsnd)
CALL(sys_msgrcv)
CALL(sys_msgget)
CALL(sys_msgctl)
/* 305 */ CALL(sys_shmat)
CALL(sys_shmdt)
CALL(sys_shmget)
CALL(sys_shmctl)
CALL(sys_add_key)
/* 310 */ CALL(sys_request_key)
CALL(sys_keyctl)
CALL(ABI(sys_semtimedop, sys_oabi_semtimedop))
/* vserver */ CALL(sys_ni_syscall)
CALL(sys_ioprio_set)
/* 315 */ CALL(sys_ioprio_get)
CALL(sys_inotify_init)
CALL(sys_inotify_add_watch)
CALL(sys_inotify_rm_watch)
CALL(sys_mbind)
/* 320 */ CALL(sys_get_mempolicy)
CALL(sys_set_mempolicy)
CALL(sys_openat)
CALL(sys_mkdirat)
CALL(sys_mknodat)
/* 325 */ CALL(sys_fchownat)
CALL(sys_futimesat)
CALL(sys_fstatat64)
CALL(sys_unlinkat)
CALL(sys_renameat)
/* 330 */ CALL(sys_linkat)
CALL(sys_symlinkat)
CALL(sys_readlinkat)
CALL(sys_fchmodat)
CALL(sys_faccessat)
/* 335 */ CALL(sys_ni_syscall) /* eventually pselect6 */
CALL(sys_ni_syscall) /* eventually ppoll */
CALL(sys_unshare)
CALL(sys_set_robust_list)
CALL(sys_get_robust_list)
/* 340 */ CALL(sys_splice)
CALL(sys_sync_file_range2)
CALL(sys_tee)
CALL(sys_vmsplice)
CALL(sys_move_pages)
/* 345 */ CALL(sys_getcpu)
CALL(sys_ni_syscall) /* eventually epoll_pwait */
CALL(sys_kexec_load)
CALL(sys_utimensat)
CALL(sys_signalfd)
/* 350 */ CALL(sys_ni_syscall)
CALL(sys_eventfd)
CALL(sys_fallocate)
#ifndef syscalls_counted
.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
#define syscalls_counted
#endif
.rept syscalls_padding
CALL(sys_ni_syscall)
.endr
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