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Eugene Grosbein 4824d78872 listen(2): improve administrator control over logging 
As documented in listen.2 manual page, the kernel emits a LOG_DEBUG
syslog message if a socket listen queue overflows. For some appliances,
it may be desirable to change the priority to some higher value
like LOG_INFO while keeping other debugging suppressed.

OTOH there are cases when such overflows are normal and expected.
Then it may be desirable to suppress overflow logging altogether,
so that dmesg buffer is not flooded over long run.

In addition to existing sysctl kern.ipc.sooverinterval,
introduce new sysctl kern.ipc.sooverprio that defaults to 7 (LOG_DEBUG)
to preserve current behavior. It may be changed to any value
in a range of 0..7 for corresponding priority or to -1 to suppress logging.
Document it in the listen.2 manual page.

MFC after:	1 month
2023-05-01 03:26:44 +07:00
..
__error.c
__vdso_gettimeofday.c libc binuptime(): use the right function to get the most significant bit index 2022-02-08 21:44:23 +02:00
_exit.2
_umtx_op.2 umtx: allow to configure minimal timeout (in nanoseconds) 2023-04-19 02:22:28 +03:00
abort2.2
accept4.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
accept.2
accept.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
access.2 Add AT_EMPTY_PATH for several *at(2) syscalls 2021-04-15 12:48:11 +03:00
acct.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
adjtime.2 Remove references to timed(8) 2021-05-13 09:53:08 +02:00
aio_cancel.2
aio_error.2 Add aio_writev and aio_readv 2021-01-02 19:57:58 -07:00
aio_fsync.2 aio_fsync(2): Support O_DSYNC. 2021-01-08 13:15:56 +13:00
aio_mlock.2
aio_read.2 Add aio_writev and aio_readv 2021-01-02 19:57:58 -07:00
aio_return.2 lio_listio: validate aio_lio_opcode 2021-01-11 19:53:01 -07:00
aio_suspend.2 aio_suspend.2: properly canonicalize .Dd 2020-12-11 00:28:28 +00:00
aio_suspend.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
aio_waitcomplete.2
aio_write.2 Add aio_writev and aio_readv 2021-01-02 19:57:58 -07:00
bind.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
bindat.2 Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
brk.2 Reimplement brk() and sbrk() to avoid the use of _end. 2018-06-04 19:35:15 +00:00
brk.c Reimplement brk() and sbrk() to avoid the use of _end. 2018-06-04 19:35:15 +00:00
cap_enter.2 cap_*(2): Document ENOSYS behavior. 2023-03-09 18:10:50 -08:00
cap_fcntls_limit.2 cap_*(2): Document ENOSYS behavior. 2023-03-09 18:10:50 -08:00
cap_ioctls_limit.2 cap_*(2): Document ENOSYS behavior. 2023-03-09 18:10:50 -08:00
cap_rights_limit.2 cap_*(2): Document ENOSYS behavior. 2023-03-09 18:10:50 -08:00
chdir.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
chflags.2 Add AT_EMPTY_PATH for several *at(2) syscalls 2021-04-15 12:48:11 +03:00
chmod.2 Add AT_EMPTY_PATH for several *at(2) syscalls 2021-04-15 12:48:11 +03:00
chown.2 Add AT_EMPTY_PATH for several *at(2) syscalls 2021-04-15 12:48:11 +03:00
chroot.2 chroot.2: Correct grammar errors. 2022-03-31 13:05:49 +11:00
clock_gettime.2 clock_gettime.2: Clarify CLOCK_* 2022-07-08 21:57:24 +02:00
clock_gettime.c
clock_nanosleep.c Remove 'All rights reserved' from my files 2018-05-09 20:12:59 +00:00
close.2
close.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
closefrom.2 fd: add close_range(..., CLOSE_RANGE_CLOEXEC) 2022-03-03 17:21:58 +00:00
closefrom.c closefrom: clamp lowfd to >= 0; close_range's parameters are unsigned. 2020-04-14 23:24:24 +00:00
compat-ino64.h Regularize my copyright notice 2019-12-04 16:56:11 +00:00
compat-stub.c Remove bits of the old NUMA. 2018-07-10 22:00:20 +00:00
connect.2
connect.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
connectat.2 Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
copy_file_range.2 copy_file_range(2): add recommendation to use large "len" 2021-01-02 17:21:21 -08:00
cpuset_getaffinity.2 Use Linux semantics for the thread affinity syscalls. 2022-05-11 10:36:01 +03:00
cpuset_getdomain.2 cpuset{,_getaffinity,_getdomain}.2: fix SEE ALSO 2020-12-11 01:52:27 +00:00
cpuset.2 cpuset: Fix sched_[g|s]etaffinity() for better compatibility with Linux. 2023-01-29 16:17:33 +03:00
dup.2
eventfd.2 copyright: chase my name and email change 2023-01-06 15:28:42 -05:00
execve.2 execve: disallow argc == 0 2022-01-26 13:40:27 -06:00
extattr_get_file.2 O_PATH: allow vfs_extattr syscalls 2021-10-11 20:09:49 +03:00
fcntl.2 fcntl(2): be more precise about third arg type 2021-12-07 01:27:38 +02:00
fcntl.c libc: drop "All rights reserved" from Foundation copyrights 2022-08-04 16:57:50 -04:00
fdatasync.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
ffclock.2
fhlink.2 [skip ci] document first appearance of fhlink et al 2022-11-30 14:57:56 -07:00
fhopen.2
fhreadlink.2 [skip ci] document first appearance of fhlink et al 2022-11-30 14:57:56 -07:00
flock.2
fork.2 fork(2): comment about doubtful use of stdio and exit(3) in example 2021-08-08 22:38:59 +03:00
fork.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
fspacectl.2 fspacectl(2): Changes on rmsr.r_offset's minimum value returned 2021-08-26 00:03:37 +08:00
fstat.c Regularize my copyright notice 2019-12-04 16:56:11 +00:00
fstatat.c Regularize my copyright notice 2019-12-04 16:56:11 +00:00
fstatfs.c Regularize my copyright notice 2019-12-04 16:56:11 +00:00
fsync.2 libc: drop "All rights reserved" from Foundation copyrights 2022-08-04 16:57:50 -04:00
fsync.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
getdents.c
getdirentries.2 Bump Dd in getdirentries.2 after c6487446. 2022-04-20 17:55:32 +03:00
getdirentries.c Regularize my copyright notice 2019-12-04 16:56:11 +00:00
getdtablesize.2
getfh.2 [skip ci] document first appearance of fhlink et al 2022-11-30 14:57:56 -07:00
getfsstat.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
getfsstat.c Regularize my copyright notice 2019-12-04 16:56:11 +00:00
getgid.2 libc manpages: various improvements from NetBSD 2020-06-14 05:59:30 +00:00
getgroups.2
getitimer.2 Fix a few mandoc issues 2020-10-09 19:12:44 +00:00
getlogin.2 getlogin_r: fix the type of len 2020-09-09 18:07:13 +00:00
getloginclass.2 Drop "All rights reserved" from all my stuff. This includes 2020-10-28 13:46:11 +00:00
getpeername.2
getpgrp.2
getpid.2
getpriority.2
getrandom.2 getrandom(2): Add Linux GRND_INSECURE API flag 2020-01-12 20:47:38 +00:00
getrlimit.2
getrusage.2
getsid.2
getsockname.2
getsockopt.2 getsockopt.2: Clarify the SO_REUSEPORT_LB text a bit 2022-11-02 13:46:24 -04:00
gettimeofday.2 Remove references to timed(8) 2021-05-13 09:53:08 +02:00
gettimeofday.c
getuid.2
interposing_table.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
intro.2 Clarify the description of the EINTEGRITY error in intro(2). 2021-12-28 16:39:46 -08:00
ioctl.2
issetugid.2
jail.2 jail: Change both root and working directories in jail_attach(2) 2021-02-19 14:13:35 -08:00
kenv.2 kenv: allow listing of static kernel environments 2021-07-18 23:06:19 -05:00
kevent.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
kill.2 Only return EPERM from kill(-pid) when no process was signalled. 2019-12-07 18:07:49 +00:00
kldfind.2
kldfirstmod.2
kldload.2
kldnext.2
kldstat.2
kldsym.2
kldunload.2
kqueue.2 Change kqueue1() to be compatible with NetBSD 2023-04-05 06:29:49 +03:00
ktrace.2 ktrace.2: Document KTRFAC_STRUCT_ARRAY. 2022-11-02 10:35:26 -07:00
link.2 Fix mistakes in link(2) and shm_open(2) 2021-10-06 06:38:26 +03:00
lio_listio.2 lio_listio(2): Allow LIO_READV and LIO_WRITEV. 2021-08-22 23:00:42 +12:00
listen.2 listen(2): improve administrator control over logging 2023-05-01 03:26:44 +07:00
lseek.2 lseek(2): Document the seek behavior better and update the POSIX compliance 2020-07-13 15:52:57 +00:00
lstat.c Regularize my copyright notice 2019-12-04 16:56:11 +00:00
madvise.2
Makefile.inc Rename kqueue1(2) to kqueuex(2) to avoid compat issues with NetBSD 2023-04-04 16:19:08 +03:00
mincore.2 Include the psind in data returned by mincore(2). 2020-09-02 18:16:43 +00:00
minherit.2
mkdir.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
mkfifo.2 Trim some duplicate EIO descriptions. 2020-03-30 21:48:47 +00:00
mknod.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
mknod.c
mlock.2 Provide separate accounting for user-wired pages. 2019-05-13 16:38:48 +00:00
mlockall.2 Provide separate accounting for user-wired pages. 2019-05-13 16:38:48 +00:00
mmap.2 mmap(2): Update .Dd missed in the last commit 2020-12-24 14:14:56 +00:00
modfind.2
modnext.2
modstat.2
mount.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
mprotect.2 mprotect.2: Improve the description of prot 2021-09-07 17:28:50 +01:00
mq_close.2
mq_getattr.2
mq_notify.2
mq_open.2 mq_open(2): Fix xref to mq_unlink(2) 2021-03-04 13:32:42 +01:00
mq_receive.2
mq_send.2
mq_setattr.2
mq_unlink.2 mq_unlink(3): Add manual page 2021-02-18 18:56:52 +01:00
msgctl.2 Avoid copying out kernel pointers from msgctl(IPC_STAT). 2020-07-09 17:26:49 +00:00
msgget.2
msgrcv.2
msgsnd.2
msync.2
msync.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
munmap.2
nanosleep.2 libc: Add HISTORY sections to the manual pages 2022-05-05 18:46:32 +02:00
nanosleep.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
nfssvc.2
ntp_adjtime.2
open.2 open.2: describe O_RESOLVE_BENEATH errors correctly 2023-03-02 15:58:00 -05:00
open.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
openat.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
pathconf.2 Fix pathconf.2 documentation error 2021-08-07 07:09:57 +08:00
pdfork.2 libc: Fix most issues reported by mandoc 2020-12-19 14:54:28 +00:00
pdfork.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
pipe.2
pipe.c
poll.2 poll(2): Add POLLRDHUP. 2021-04-28 23:00:31 +12:00
poll.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
POSIX2x_Fork.c libc: drop "All rights reserved" from Foundation copyrights 2022-08-04 16:57:50 -04:00
posix_fadvise.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
posix_fallocate.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
posix_openpt.2
ppoll.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
procctl.2 procctl: add state flags to PROC_REAP_GETPIDS reports 2023-04-16 13:48:20 +03:00
profil.2 profil(2): profil(II) was in the v3 sources 2023-02-15 12:44:32 -07:00
pselect.2 pselect(2): Document what a null pointer for the signalmask means 2022-07-02 13:41:46 -06:00
pselect.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
ptrace.2 ptrace(2): document PT_SC_REMOTE 2022-12-22 23:11:42 +02:00
ptrace.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
quotactl.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
rctl_add_rule.2
read.2 Revert "Add extra EINVAL information about wrong block size to read(2)/write(2)" 2022-10-08 10:23:51 +00:00
read.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
readlink.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
readv.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
reboot.2 kern_reboot(9): some updates 2023-03-20 17:12:12 -03:00
recv.2 recv: bump manpage date after be1f485d7d. 2022-08-02 13:24:14 +00:00
recvfrom.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
recvmsg.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
rename.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
revoke.2 libc: Fix most issues reported by mandoc 2020-12-19 14:54:28 +00:00
rfork.2 posix_spawn(3): handle potential signal issues with vfork 2019-09-25 19:22:03 +00:00
rmdir.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
rtprio.2 Add idle priority scheduling privilege group to MAC/priority 2021-12-10 04:54:48 +02:00
sched_get_priority_max.2
sched_setparam.2
sched_setscheduler.2
sched_yield.2
sctp_generic_recvmsg.2
sctp_generic_sendmsg.2
sctp_peeloff.2
select.2 man page of select(2) should mention pselect(2) 2020-06-25 12:31:05 +00:00
select.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
semctl.2 Apply the logic from r363051 to semctl(2) and __sem_base field. 2020-07-09 18:34:54 +00:00
semget.2
semop.2
send.2 Document handling of connection-mode sockets by sendto(2). 2020-04-27 16:12:32 +00:00
sendfile.2 libc: Fix most issues reported by mandoc 2020-12-19 14:54:28 +00:00
sendmsg.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
sendto.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
setcontext.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
setfib.2
setgroups.2
setpgid.2
setregid.2
setresuid.2
setreuid.2
setsid.2
setuid.2
shm_open.2 shm: Document shm_create_largepage() 2023-02-03 11:48:25 -05:00
shm_open.c Fix error checking in shm_create_largepage(). 2020-09-18 12:30:15 +00:00
shmat.2 Implement shmat(2) flag SHM_REMAP. 2019-01-16 05:15:57 +00:00
shmctl.2
shmget.2
shutdown.2
sigaction.2 [skip ci] document close_range(2) as async-signal-safe 2020-07-21 16:46:40 +00:00
sigaction.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
sigaltstack.2
sigfastblock.2 Add a way to manage thread signal mask using shared word, instead of syscall. 2020-02-09 11:53:12 +00:00
sigpending.2
sigprocmask.2
sigprocmask.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
sigqueue.2
sigreturn.2
sigstack.2
sigsuspend.2
sigsuspend.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
sigtimedwait.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
sigwait.2
sigwait.c
sigwaitinfo.2 Fix sigtimedwait manpage. 2022-04-21 10:52:29 +03:00
sigwaitinfo.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
socket.2 man: add Netlink reference to socket(2) 2023-01-15 11:27:43 +00:00
socketpair.2
stat.2 Add AT_EMPTY_PATH for several *at(2) syscalls 2021-04-15 12:48:11 +03:00
stat.c Regularize my copyright notice 2019-12-04 16:56:11 +00:00
statfs.2 Fix typo in statfs man page 2023-03-29 10:11:19 +02:00
statfs.c Regularize my copyright notice 2019-12-04 16:56:11 +00:00
swapcontext.c libc: partially revert r326576 2020-04-25 14:24:54 +00:00
swapon.2 Document new variant of swapoff(2) 2021-12-09 02:48:53 +02:00
Symbol.map Rename kqueue1(2) to kqueuex(2) to avoid compat issues with NetBSD 2023-04-04 16:19:08 +03:00
symlink.2 Trim some duplicate EIO descriptions. 2020-03-30 21:48:47 +00:00
sync.2
sysarch.2
syscall.2
thr_exit.2 Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
thr_kill.2 Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
thr_new.2 Change sysctl section to 3 as suggested by Benjamin Kaduk. 2022-09-17 09:35:49 +02:00
thr_self.2 Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
thr_set_name.2 Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
thr_suspend.2 Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
thr_wake.2 Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
timer_create.2
timer_delete.2
timer_settime.2
trivial-vdso_tc.c
truncate.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
umask.2
undelete.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
unlink.2 open(2): Remove O_BENEATH and AT_BENEATH 2021-03-02 20:16:55 +02:00
utimensat.2 utimensat(2): Remove description of compatibility code 2022-06-12 22:57:31 +02:00
utimes.2 Document EINTEGRITY errors for many system calls. 2020-03-30 21:44:00 +00:00
utrace.2
uuidgen.2
vadvise.c Make vadvise compat freebsd11. 2018-05-25 20:40:23 +00:00
vfork.2
wait4.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
wait6.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
wait.2 wait.2: Remove sys/types.h from the list of required headers 2022-06-30 10:31:26 -04:00
write.2 Revert "Add extra EINVAL information about wrong block size to read(2)/write(2)" 2022-10-08 10:23:51 +00:00
write.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00
writev.c Remove "All Rights Reserved" from FreeBSD Foundation libc copyrights 2022-07-21 09:53:31 -04:00