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Ken Smith 6341095e0d This patch addresses a standards violation issue. The standards say a 
file's access time should be updated when it gets executed.  A while
ago the mechanism used to exec was changed to use a more mmap based
mechanism and this behavior was broken as a side-effect of that.

A new vnode flag is added that gets set when the file gets executed,
and the VOP_SETATTR() vnode operation gets called.  The underlying
filesystem is expected to handle it based on its own semantics, some
filesystems don't support access time at all.  Those that do should
handle it in a way that does not block, does not generate I/O if possible,
etc.  In particular vn_start_write() has not been called.  The UFS code
handles it the same way as it would normally handle the access time if
a file was read - the IN_ACCESS flag gets set in the inode but no other
action happens at this point.  The actual time update will happen later
during a sync (which handles all the necessary locking).

Got me into this:	cperciva
Discussed with:		a lot with bde, a little with kan
Showed patches to:	phk, jeffr, standards@, arch@
Minor discussion on:	arch@
2005-05-31 19:39:52 +00:00
..
_iovec.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
_label.h Improve consistency of include file guards in src/sys/sys by terminating 2004-05-10 18:38:07 +00:00
_lock.h Include <sys/_lock.h>'s prerequisite <sys/queue.h> before including the 2004-06-19 14:58:35 +00:00
_mutex.h Add some basic support for measuring sleep mutex contention to the 2004-01-25 01:59:27 +00:00
_null.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
_pthreadtypes.h According to: 2005-05-31 15:18:17 +00:00
_semaphore.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
_sigset.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
_task.h o eliminate modification of task structures after their run to avoid 2005-04-24 16:52:45 +00:00
_timespec.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
_timeval.h Move struct timeval to its own header so that it can be shared between 2002-12-31 04:08:41 +00:00
_types.h - Declare mknod in stat.h (in addition to unistd.h), as per XSI. 2005-03-22 01:19:18 +00:00
aac_ioctl.h Do some small cleanups to comments and remove AACQ_COMPLETE definitions since 2004-02-07 17:40:38 +00:00
acct.h Second half of the dev_t cleanup. 2004-06-17 17:16:53 +00:00
acl.h Remove unimplemented ACL types. 2005-05-12 22:01:18 +00:00
agpio.h Add simple support for AGP 3.0 including enabling 8x mode. The simple 2003-10-23 18:08:56 +00:00
aio.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
alq.h Modify the alq(9) alq_open() API to accept a file creation mode, rather 2005-04-16 12:12:27 +00:00
assym.h These are changes to allow to use the Intel C/C++ compiler (lang/icc) 2004-03-12 21:45:33 +00:00
ata.h Change the way ioctls are issue to ATA. 2005-05-16 13:07:27 +00:00
bio.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
bitstring.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
blist.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
buf.h make cluster_callback() static 2005-02-10 12:17:48 +00:00
bufobj.h - Add bufobj_wrefl() to add a write ref to a bufobj that is already locked. 2005-05-30 07:01:18 +00:00
bus.h resource_list_purge: release the resources in this list, and purge the 2005-04-12 15:20:36 +00:00
bus_dma.h fix arm wrt to busdma... 2005-03-15 14:57:30 +00:00
callout.h Add a mechanism for associating a mutex with a callout when the 2005-02-07 02:47:33 +00:00
cdefs.h The macros __GNUCLIKE_ATTRIBUTE_PRINTF and 2005-03-07 15:40:25 +00:00
cdio.h Boot away another stackgap (one of the lest ones in linuxlator/i386) by 2005-01-30 08:12:37 +00:00
cdrio.h
chio.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
clist.h Remove advertising clause from University of California Regent's license, 2004-04-07 04:19:52 +00:00
clock.h
condvar.h Name the pri argument to cv_broadcastpri() to match the existing style of 2004-05-05 21:57:44 +00:00
conf.h cdev (still) needs per instance uid/gid/mode 2005-03-31 10:29:57 +00:00
cons.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
consio.h Remove the ADJUST_CLOCK ioctl on pc98. It's not used at all. 2005-05-15 07:35:49 +00:00
copyright.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
cpu.h Add a new field to struct cf_setting for special values. These are driver- 2005-02-19 06:13:26 +00:00
ctype.h Remove advertising clause from University of California Regent's license, 2004-04-07 04:19:52 +00:00
dataacq.h
device_port.h Remove code for pre-4.0 versions of FreeBSD. It is there in prior 2005-01-19 01:31:33 +00:00
devicestat.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
digiio.h
dir.h netchild's mega-patch to isolate compiler dependencies into a central 2005-03-02 21:33:29 +00:00
dirent.h Remove advertising clause from University of California Regent's license, 2004-04-07 04:19:52 +00:00
disk.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
disklabel.h Treat arm as i386. 2005-04-07 22:09:02 +00:00
diskmbr.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
diskpc98.h Change DOSPTYP_386BSD to 0xc494. 2005-05-08 11:30:26 +00:00
dkstat.h Remove advertising clause from University of California Regent's license, 2004-04-07 04:19:52 +00:00
domain.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
dvdio.h
elf32.h
elf64.h
elf_common.h Fix typo (in comment): s/IA-46/IA-64/ 2004-05-05 02:38:54 +00:00
elf_generic.h
endian.h Quiet warnings about mis-matched pointer assignment. 2003-10-15 20:05:57 +00:00
errno.h Add some missing errnos from POSIX. Nothing in FreeBSD generates 2005-04-02 12:33:28 +00:00
eui64.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
event.h remove unimplemented part of the interface.. 2005-03-25 16:23:48 +00:00
eventhandler.h Use 'const char *' for a few prototypes. 2004-12-06 10:53:40 +00:00
eventvar.h Add locking to the kqueue subsystem. This also makes the kqueue subsystem 2004-08-15 06:24:42 +00:00
exec.h Make ps_nargvstr and ps_nenvstr unsigned. This fixes an input 2005-03-23 08:27:59 +00:00
extattr.h Userspace prototypes for the extattr_list_*() system calls. 2003-06-04 04:04:24 +00:00
fbio.h Grab FBTYPE_NOTSUN3 and use it for FBTYPE_PCIMISC. The value matches 2005-05-21 20:40:51 +00:00
fcntl.h Remove advertising clause from University of California Regent's license, 2004-04-07 04:19:52 +00:00
fdcio.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
file.h Make some file/filedesc related functions static 2005-02-10 12:27:58 +00:00
filedesc.h Make some file/filedesc related functions static 2005-02-10 12:27:58 +00:00
filio.h Add ioctl to ask DEVFS about the name of device. 2005-03-08 21:32:19 +00:00
fnv_hash.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
gmon.h Add prototypes for the userland gmon support functions, which normally 2004-06-14 18:39:28 +00:00
gpt.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
iconv.h Fix kiconv on the 64bit plathomes. 2005-05-24 15:38:08 +00:00
imgact.h Welcome to the 21st century: increase MAXSHELLCMDLEN from 128 bytes to 2005-02-25 11:49:42 +00:00
imgact_aout.h Capitalize at the start of sentence. 2005-05-08 02:20:10 +00:00
imgact_elf.h Add __elfN(dump_thread). This function is called from __elfN(coredump) 2004-08-11 02:35:06 +00:00
inflate.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
interrupt.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
ioccom.h Remove advertising clause from University of California Regent's license, 2004-04-07 04:19:52 +00:00
ioctl.h netchild's mega-patch to isolate compiler dependencies into a central 2005-03-02 21:33:29 +00:00
ioctl_compat.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
ipc.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
jail.h Make prison structure visible from userland if _WANT_PRISON is defined 2005-03-20 10:33:27 +00:00
joystick.h Comment typo. 2005-01-07 19:31:43 +00:00
kbio.h
kdb.h Don't enter the debugger if KDB_UNATTENDED is set or if 2005-04-20 20:52:46 +00:00
kenv.h
kernel.h Use __CONCAT() in the TUNABLE_ macros, this way we don't have to use 3 2005-04-17 15:08:34 +00:00
kerneldump.h
kobj.h * Add multiple inheritance to kobj. Each class can have zero or more base 2003-10-16 09:16:28 +00:00
kse.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
ksem.h Introduce MAC Framework and MAC Policy entry points to label and control 2005-05-04 10:39:15 +00:00
kthread.h
ktr.h Addendum to netchild's C compiler abstraction mega-patch which somehow 2005-03-04 21:26:07 +00:00
ktrace.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
libkern.h Inline functions belong in <sys/libkern.h>, not in <sys/systm.h>. 2005-04-28 03:19:50 +00:00
limits.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
linedisc.h Fix line discipline switching issues: If opening a new ldisc fails, 2004-06-26 08:44:04 +00:00
link_aout.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
link_elf.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
linker.h Add a new module information type MODINFOMD_SHDR that will be used 2004-08-27 01:10:16 +00:00
linker_set.h netchild's mega-patch to isolate compiler dependencies into a central 2005-03-02 21:33:29 +00:00
lock.h - Define LOP_DUPOK in lock.h so that we may pass it to individual 2005-04-22 22:37:41 +00:00
lockf.h - Make lf_print static and move its prototype into kern_lockf.c 2005-01-25 10:15:26 +00:00
lockmgr.h - Add a LK_NOSHARE flag which forces all shared lock requests to be 2005-03-31 05:18:19 +00:00
mac.h Introduce MAC Framework and MAC Policy entry points to label and control 2005-05-04 10:39:15 +00:00
mac_policy.h Introduce MAC Framework and MAC Policy entry points to label and control 2005-05-04 10:39:15 +00:00
malloc.h Due to a last minute change in the #ifdefing in malloc.h before committing, 2005-05-29 17:27:52 +00:00
mbpool.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
mbuf.h Change m_uiotombuf so it will accept offset at which data should be copied 2005-05-04 18:55:03 +00:00
mchain.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
md4.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
md5.h MD5Pad() should never have been exposed. 2005-02-10 12:20:42 +00:00
mdioctl.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
memrange.h Fix module builds for i386 and amd64. 2004-08-04 18:30:31 +00:00
mman.h Namespace issues. 2005-04-02 12:33:31 +00:00
module.h Give kldunload a -f(orce) argument. 2004-07-13 19:36:59 +00:00
mount.h - Add a 'flags' parameter to VFS_ROOT(). This is intended to allow 2005-03-24 07:29:23 +00:00
mouse.h Support for the GTCO Digipad. 2005-04-13 07:25:45 +00:00
msg.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
msgbuf.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
mtio.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
mutex.h - Define LOP_DUPOK in lock.h so that we may pass it to individual 2005-04-22 22:37:41 +00:00
namei.h - Add an ISOPEN flag that filesystems can use to determine if a namei() 2005-04-27 09:00:47 +00:00
nlist_aout.h Remove advertising clause from University of California Regent's license, 2004-04-07 04:19:52 +00:00
param.h bump version for libpcap (+tcpdump) import 2005-05-29 19:15:34 +00:00
pciio.h
pcpu.h Drop the CURPROC, curkse, and curksegrp aliases as they aren't used 2005-04-26 17:07:40 +00:00
pioctl.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
pipe.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
pmc.h Kernel hooks to support PMC sampling modes. 2005-05-30 06:29:29 +00:00
pmckern.h Kernel hooks to support PMC sampling modes. 2005-05-30 06:29:29 +00:00
poll.h
posix4.h Back out M_* changes, per decision of the TRB. 2003-02-19 05:47:46 +00:00
power.h
priority.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
proc.h Use the proc mtx to prevent simultaneous changes to p_aioinfo. 2005-05-30 19:33:33 +00:00
procfs.h type prgregset_t really should be an array. this is odd, however, other 2004-07-15 03:52:17 +00:00
protosw.h Initialize struct pr_userreqs in new/sparse style and fill in common 2004-11-08 14:44:54 +00:00
ptio.h
ptrace.h Add PROC_UNLOCK(p) to PTRACESTOP_SC(p, td, flag). This is necessary 2005-04-29 22:38:02 +00:00
queue.h netchild's mega-patch to isolate compiler dependencies into a central 2005-03-02 21:33:29 +00:00
random.h Add a note ahea of the esource enum that if new entropy source 2004-10-12 14:55:59 +00:00
reboot.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
regression.h Improve consistency of include file guards in src/sys/sys by terminating 2004-05-10 18:38:07 +00:00
resource.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
resourcevar.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
rman.h rman_set_device() seems to have been omitted by mistake. Implement it. 2005-04-12 06:21:59 +00:00
rtprio.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
runq.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
sbuf.h Have sbuf_bcat() and sbuf_bcpy() take a const void * instead of a 2004-07-09 11:35:30 +00:00
sched.h Bring a working snapshot of hwpmc(4), its associated libraries, userland utilities 2005-04-19 04:01:25 +00:00
select.h Remove advertising clause from University of California Regent's license, 2004-04-07 04:19:52 +00:00
selinfo.h Add locking to the kqueue subsystem. This also makes the kqueue subsystem 2004-08-15 06:24:42 +00:00
sem.h In the kernel-only portionss of System V IPC objects (messages, 2004-11-17 13:12:06 +00:00
sema.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
semaphore.h The sem_timedwait() and ksem_timedwait() functions both 2004-02-03 22:27:03 +00:00
serial.h Make the relationship between modem control bits and their delta cousins 2004-06-25 10:56:43 +00:00
sf_buf.h Introduce two new options, "CPU private" and "no wait", to sf_buf_alloc(). 2004-11-08 00:43:46 +00:00
shm.h This header is supposed to declare pid_t, size_t, and time_t. 2005-04-02 12:33:36 +00:00
sigio.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
signal.h Make this look less dubious :-) 2004-06-11 11:43:46 +00:00
signalvar.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
sleepqueue.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
smp.h Implement an alternate method to stop CPUs when entering DDB. Normally we use 2005-04-30 20:01:00 +00:00
snoop.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
socket.h Implement unix(4) socket options LOCAL_CREDS and LOCAL_CONNWAIT. 2005-04-13 00:01:46 +00:00
socketvar.h Move the logic implementing retrieval of the SO_ACCEPTFILTER socket option 2005-03-12 12:57:18 +00:00
sockio.h Remove advertising clause from University of California Regent's license, 2004-04-07 04:19:52 +00:00
soundcard.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
stat.h - Declare mknod in stat.h (in addition to unistd.h), as per XSI. 2005-03-22 01:19:18 +00:00
statvfs.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
stddef.h Change the definition of NULL on ia64 (for LP64 compilations) from 2003-12-07 21:10:06 +00:00
stdint.h
sun_disklabel.h Support VTOC volume names. This can be useful to distinguish multiple 2005-03-30 09:33:10 +00:00
sx.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
syscall.h Rebuild generated system call definition files following the addition of 2005-05-30 15:20:21 +00:00
syscall.mk Rebuild generated system call definition files following the addition of 2005-05-30 15:20:21 +00:00
syscallsubr.h Implement kern_adjtime(), kern_readv(), kern_sched_rr_get_interval(), 2005-03-31 22:51:18 +00:00
sysctl.h Add a sysctl that returns the full path of a process' text file. 2005-04-18 02:10:37 +00:00
sysent.h Add a new field, sy_auevent, to the system call entry description 2005-05-29 20:08:39 +00:00
syslimits.h netchild's mega-patch to isolate compiler dependencies into a central 2005-03-02 21:33:29 +00:00
syslog.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
sysproto.h Rebuild generated system call definition files following the addition of 2005-05-30 15:20:21 +00:00
systm.h Inline functions belong in <sys/libkern.h>, not in <sys/systm.h>. 2005-04-28 03:19:50 +00:00
taskqueue.h o enable shutdown of taskqueue threads; the thread servicing the queue checks 2005-05-01 00:38:11 +00:00
termios.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
thr.h Add new syscall thr_new to create thread in atomic, it will 2005-04-23 02:36:07 +00:00
tiio.h
time.h Define CLOCK_* and TIMER_* in time.h, where they are supposed to be. 2005-04-02 12:33:27 +00:00
timeb.h Remove advertising clause from University of California Regent's license, 2004-04-07 04:19:52 +00:00
timepps.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
timers.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
times.h Remove advertising clause from University of California Regent's license, 2004-04-07 04:19:52 +00:00
timespec.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
timetc.h Give timecounters a numeric quality field. 2003-08-16 08:23:53 +00:00
timex.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
tree.h Add FreeBSD tag 2005-01-07 02:28:28 +00:00
tty.h Add new function ttyinitmode() which sets our systemwide default 2004-10-18 21:51:27 +00:00
ttychars.h Put the pre FreeBSD-2.x tty compat code under BURN_BRIDGES. 2004-06-21 22:57:16 +00:00
ttycom.h Retire the TIOC_REMOTE ioctl. 2004-06-25 21:54:49 +00:00
ttydefaults.h Restore TTYDEF_LFLAG to set echo bits. 2004-11-03 19:16:55 +00:00
ttydev.h Put the pre FreeBSD-2.x tty compat code under BURN_BRIDGES. 2004-06-21 22:57:16 +00:00
turnstile.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
types.h According to: 2005-05-31 15:18:17 +00:00
ucontext.h Change the clear_ret argument of get_mcontext() to be a flags argument. 2003-11-09 20:31:04 +00:00
ucred.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
uio.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
umtx.h Allocate umtx_q from heap instead of stack, this avoids 2005-03-05 09:15:03 +00:00
un.h Implement unix(4) socket options LOCAL_CREDS and LOCAL_CONNWAIT. 2005-04-13 00:01:46 +00:00
unistd.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
unpcb.h Implement unix(4) socket options LOCAL_CREDS and LOCAL_CONNWAIT. 2005-04-13 00:01:46 +00:00
user.h Add ki_jid field to the kinfo_proc structure and store jail ID there. 2005-03-20 10:35:23 +00:00
utsname.h Remove advertising clause from University of California Regent's license, 2004-04-07 04:19:52 +00:00
uuid.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00
vmmeter.h Remove remnants of PGINPROF. 2004-06-08 10:37:30 +00:00
vnode.h This patch addresses a standards violation issue. The standards say a 2005-05-31 19:39:52 +00:00
wait.h - Move the function prototypes for kern_setrlimit() and kern_wait() to 2005-01-05 22:19:44 +00:00
watchdog.h Add a generic watchdog facility which through a single device entry 2004-02-28 20:06:59 +00:00
xrpuio.h /* -> /*- for license, minor formatting changes 2005-01-07 02:29:27 +00:00