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Warner Losh cbda6f66f4 Implement FLUSHO 
Turn FLUSHO on/off with ^O (or whatever VDISCARD is). Honor that to
throw away output quickly. This tries to remain true to 4.4BSD
behavior (since that was the origin of this feature), with any
corrections NetBSD has done. Since the implemenations are a little
different, though, some edge conditions may be handled differently.

Reviewed by: kib, kevans
Differential Review: https://reviews.freebsd.org/D26148
2020-08-27 05:11:15 +00:00
..
bus_if.m
Remove trailing white space.
2020-02-26 16:22:28 +00:00
capabilities.conf
Permit cpuset_(get|set)domain() in capability mode.
2020-07-06 16:34:29 +00:00
clock_if.m
…
cpufreq_if.m
…
device_if.m
…
genassym.sh
…
genoffset.c
Merge td_epochnest with td_no_sleeping.
2019-10-29 17:28:25 +00:00
genoffset.sh
…
imgact_aout.c
Make ps_strings in struct image_params into a pointer.
2020-04-15 20:21:30 +00:00
imgact_binmisc.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
imgact_elf32.c
…
imgact_elf64.c
…
imgact_elf.c
Pass pointers to info parsed from notes, to brandinfo->header_supported filter.
2020-08-23 20:06:55 +00:00
imgact_shell.c
…
init_main.c
Use SI_ORDER_(FOURTH|FIFTH) rather than bespoke versions.
2020-07-22 23:35:41 +00:00
init_sysent.c
Regenerate.
2020-07-06 16:34:49 +00:00
kern_acct.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_alq.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
kern_clock.c
Allow swi_sched() to be called from NMI context.
2020-07-25 15:19:38 +00:00
kern_clocksource.c
…
kern_condvar.c
…
kern_conf.c
Use devctl.h instead of bus.h to reduce newbus pollution.
2020-08-21 00:03:24 +00:00
kern_cons.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_context.c
…
kern_cpu.c
Don't try to set frequendcy for enumerated but newer started CPUs.
2020-04-29 14:14:15 +00:00
kern_cpuset.c
Allow accesses of the caller's CPU and domain sets in capability mode.
2020-07-06 16:34:09 +00:00
kern_ctf.c
vfs: drop the mostly unused flags argument from VOP_UNLOCK
2020-01-03 22:29:58 +00:00
kern_descrip.c
fd: pwd_drop after releasing filedesc lock
2020-08-22 16:57:45 +00:00
kern_dtrace.c
…
kern_dump.c
- Cleanups related to sparc64 removal.
2020-07-28 10:58:37 +00:00
kern_environment.c
kenv: avoid sleepable alloc for integer tunables
2020-08-14 21:37:38 +00:00
kern_et.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_event.c
kqueue: fix conversion of timer data to sbintime
2020-04-21 03:57:30 +00:00
kern_exec.c
cache: drop the always curthread argument from reverse lookup routines
2020-08-24 08:57:02 +00:00
kern_exit.c
Fix several issues with process group orphanage.
2020-08-22 21:32:11 +00:00
kern_fail.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_ffclock.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_fork.c
fd: remove fd_lastfile
2020-07-15 10:24:04 +00:00
kern_hhook.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
kern_idle.c
…
kern_intr.c
Allow swi_sched() to be called from NMI context.
2020-07-25 15:19:38 +00:00
kern_jail.c
vfs: respect PRIV_VFS_LOOKUP in vaccess_smr
2020-08-25 14:18:50 +00:00
kern_kcov.c
Mark COVERAGE and KCOV as part of KCSAN
2020-08-19 14:11:25 +00:00
kern_khelp.c
…
kern_kthread.c
Do a lockless check in kthread_suspend_check
2020-07-25 07:14:33 +00:00
kern_ktr.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_ktrace.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_linker.c
Clarify which hints file is the source of an error message.
2020-06-01 03:37:58 +00:00
kern_lock.c
lockmgr: add missing 'continue' to account for spuriously failed fcmpset
2020-07-24 17:28:24 +00:00
kern_lockf.c
lockf: elide avoidable locking in lf_advlockasync
2020-07-05 23:07:54 +00:00
kern_lockstat.c
…
kern_loginclass.c
…
kern_malloc.c
Revert r364310.
2020-08-18 14:09:49 +00:00
kern_mbuf.c
Add m__getjcl SDT probe.
2020-08-05 11:39:09 +00:00
kern_mib.c
Improve comment for compat32 handling of sysctl hw.pagesizes.
2020-05-15 13:53:10 +00:00
kern_module.c
…
kern_mtxpool.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
kern_mutex.c
mtx: add mtx_wait_unlocked
2020-08-04 23:00:00 +00:00
kern_ntptime.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_osd.c
…
kern_physio.c
…
kern_pmc.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_poll.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_priv.c
vfs: respect PRIV_VFS_LOOKUP in vaccess_smr
2020-08-25 14:18:50 +00:00
kern_proc.c
cache: drop the always curthread argument from reverse lookup routines
2020-08-24 08:57:02 +00:00
kern_procctl.c
correct procctl(PROC_PROTMAX_STATUS _NOFORCE return
2020-05-01 14:30:59 +00:00
kern_prot.c
cred: add more asserts for td_realucred == td_ucred
2020-08-01 16:02:32 +00:00
kern_racct.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_rangelock.c
rangelock: add rangelock_cookie_assert
2019-09-15 02:59:53 +00:00
kern_rctl.c
Use devctl.h instead of bus.h to reduce newbus pollution.
2020-08-21 00:03:24 +00:00
kern_resource.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
kern_rmlock.c
rms: fix typo: bitmamp -> bitmap
2020-08-04 20:31:03 +00:00
kern_rwlock.c
locks: fix a long standing bug for primitives with kdtrace but without spinning
2020-07-23 17:26:53 +00:00
kern_sdt.c
…
kern_sema.c
…
kern_sendfile.c
Fix hang due to missing unbusy in sendfile when an async data I/O fails.
2020-06-06 00:02:50 +00:00
kern_sharedpage.c
kern_sharedpage.c: Add exec_sysvec_init_secondary() helper.
2020-08-23 19:43:47 +00:00
kern_shutdown.c
Use zfree() instead of explicit_bzero() and free().
2020-06-25 20:17:34 +00:00
kern_sig.c
cache: drop the always curthread argument from reverse lookup routines
2020-08-24 08:57:02 +00:00
kern_switch.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_sx.c
locks: fix a long standing bug for primitives with kdtrace but without spinning
2020-07-23 17:26:53 +00:00
kern_synch.c
Handle PCATCH in blockcount_sleep() so it can be interrupted.
2020-04-21 17:13:06 +00:00
kern_syscalls.c
add a sanity check to the system call registration code
2019-12-11 15:52:29 +00:00
kern_sysctl.c
style(9): end continued line with operator.
2020-04-16 17:24:13 +00:00
kern_tc.c
Remove double-calls to tc_get_timecount() to warm timecounters.
2020-06-10 22:30:32 +00:00
kern_thr.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
kern_thread.c
cred: add more asserts for td_realucred == td_ucred
2020-08-01 16:02:32 +00:00
kern_time.c
Remove bogus use of useracc() in (clock_)nanosleep.
2020-04-14 20:53:12 +00:00
kern_timeout.c
Remove misleading / redundant bzero in callout_callwheel_init
2020-03-16 22:25:25 +00:00
kern_tslog.c
…
kern_ubsan.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
kern_umtx.c
sys/: Document few more sysctls.
2020-03-02 15:30:52 +00:00
kern_uuid.c
validate_uuid: absorb the rest of parse_uuid with a flags arg
2020-04-15 18:39:12 +00:00
kern_xxx.c
…
ksched.c
…
link_elf_obj.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
link_elf.c
Rerun kernel ifunc resolvers after all CPUs have started
2020-07-05 14:38:22 +00:00
linker_if.m
…
Make.tags.inc
…
Makefile
sys/kern sysent: re-add dependency on capabilities.conf
2020-02-12 19:06:34 +00:00
makesyscalls.sh
makesyscalls.sh: improve the 'this is going away' message
2020-07-28 01:05:40 +00:00
md4c.c
…
md5c.c
…
msi_if.m
…
p1003_1b.c
…
pic_if.m
…
posix4_mib.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
sched_4bsd.c
sys/: Document few more sysctls.
2020-03-02 15:30:52 +00:00
sched_ule.c
sys/: Document few more sysctls.
2020-03-02 15:30:52 +00:00
serdev_if.m
…
stack_protector.c
…
subr_acl_nfs4.c
vfs: remove the obsolete privused argument from vaccess
2020-08-05 09:27:03 +00:00
subr_acl_posix1e.c
vfs: remove the obsolete privused argument from vaccess
2020-08-05 09:27:03 +00:00
subr_atomic64.c
emulated atomic64: disable interrupts as the lock mechanism on !SMP
2020-01-03 18:29:20 +00:00
subr_autoconf.c
…
subr_blist.c
Fix an overflow bug in the blist allocator that needlessly capped max
2020-07-25 18:29:10 +00:00
subr_boot.c
…
subr_bufring.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
subr_bus_dma.c
crypto(9): add CRYPTO_BUF_VMPAGE
2020-08-26 02:37:42 +00:00
subr_bus.c
Change the resume notification event from 'kern' to 'kernel'
2020-08-24 19:35:15 +00:00
subr_busdma_bufalloc.c
…
subr_capability.c
Remove unused SYSINIT macros for capability rights.
2020-03-26 15:02:37 +00:00
subr_clock.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
subr_compressor.c
clamp kernel dump compression level when using gzip
2020-02-20 23:53:48 +00:00
subr_counter.c
Add COUNTER_U64_SYSINIT() and COUNTER_U64_DEFINE_EARLY().
2020-03-06 19:09:01 +00:00
subr_coverage.c
Mark COVERAGE and KCOV as part of KCSAN
2020-08-19 14:11:25 +00:00
subr_csan.c
Add char and short types to kcsan
2020-07-04 06:22:05 +00:00
subr_devmap.c
Print upper 32 bits in devmap table entries
2019-12-20 03:40:53 +00:00
subr_devstat.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
subr_disk.c
…
subr_dummy_vdso_tc.c
…
subr_early.c
…
subr_epoch.c
Add full support support for dynamic allocation and freeing of epoch's.
2020-08-07 15:32:42 +00:00
subr_eventhandler.c
…
subr_fattime.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
subr_filter.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
subr_firmware.c
Fix a panic when unloading firmware
2020-06-29 21:35:50 +00:00
subr_gtaskqueue.c
Remove the "config" taskqgroup and its KPIs.
2020-03-30 14:24:03 +00:00
subr_hash.c
…
subr_hints.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
subr_intr.c
INTRNG: only shuffle for !EARLY_AP_STARTUP
2020-07-21 22:47:02 +00:00
subr_kdb.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
subr_kobj.c
sys/: Document few more sysctls.
2020-03-02 15:30:52 +00:00
subr_lock.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
subr_log.c
…
subr_mchain.c
…
subr_module.c
…
subr_msgbuf.c
…
subr_param.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
subr_pcpu.c
Add COUNTER_U64_SYSINIT() and COUNTER_U64_DEFINE_EARLY().
2020-03-06 19:09:01 +00:00
subr_pctrie.c
Use SMR to provide safe unlocked lookup for pctries from SMR zones
2020-07-24 17:32:10 +00:00
subr_physmem.c
Convert arm's physmem interface to MI code
2020-04-19 00:12:30 +00:00
subr_pidctrl.c
…
subr_power.c
…
subr_prf.c
remove %n support from printf(9)
2020-05-09 15:56:02 +00:00
subr_prng.c
Add prng(9) API
2020-08-13 20:48:14 +00:00
subr_prof.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
subr_rangeset.c
…
subr_rman.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
subr_rtc.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
subr_sbuf.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
subr_scanf.c
…
subr_sfbuf.c
…
subr_sglist.c
Step 4.2: start divorce of M_EXT and M_EXTPG
2020-05-03 00:37:16 +00:00
subr_sleepqueue.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
subr_smp.c
Provide more correct description for sysctl kern.smp.cores.
2020-08-03 17:17:17 +00:00
subr_smr.c
Use COUNTER_U64_DEFINE_EARLY() in places where it simplifies things.
2020-03-06 19:10:00 +00:00
subr_stack.c
kern.tty_info_kstacks: add a compact format
2020-07-06 16:33:28 +00:00
subr_stats.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
subr_syscall.c
Retire procfs-based process debugging.
2020-04-01 19:22:09 +00:00
subr_taskqueue.c
Add flag to struct task to mark the task as requiring network epoch.
2020-02-11 18:48:07 +00:00
subr_terminal.c
vt(4): reset scrollback and cursor position after clearing history buffer
2020-06-02 01:21:48 +00:00
subr_trap.c
Retire procfs-based process debugging.
2020-04-01 19:22:09 +00:00
subr_turnstile.c
ddb(4): show lockchain: Don't dereference LK_KERNPROC
2020-04-02 20:47:51 +00:00
subr_uio.c
Remove copyinfrom() and copyinstrfrom().
2020-05-20 20:58:17 +00:00
subr_unit.c
Remove duplicated empty lines from kern/*.c
2020-01-30 20:05:05 +00:00
subr_vmem.c
vmem: Avoid allocating span tags when segments are never released.
2020-08-26 14:31:35 +00:00
subr_witness.c
cache: convert bucketlocks to a mutex
2020-08-26 12:52:17 +00:00
sys_capability.c
Enter a write sequence when updating rights.
2020-03-19 15:39:45 +00:00
sys_generic.c
poll: factor fd lookup out of scan and rescan
2020-07-15 10:24:39 +00:00
sys_getrandom.c
Fix a typo in r356667 comment
2020-01-12 23:52:16 +00:00
sys_pipe.c
Rename the pipe_map field of struct pipe.
2020-08-14 14:50:41 +00:00
sys_procdesc.c
procdesc: allow to collect status through wait(1) if process is traced
2019-11-25 18:33:21 +00:00
sys_process.c
cache: drop the always curthread argument from reverse lookup routines
2020-08-24 08:57:02 +00:00
sys_socket.c
Lock the socket in soo_stat().
2020-03-20 20:09:00 +00:00
syscalls.c
Update the files created from the new syscalls.master from r361599.
2020-05-28 21:23:02 +00:00
syscalls.master
Add a syscall for the nfs-over-tls daemons to use.
2020-05-28 21:06:10 +00:00
systrace_args.c
Update the files created from the new syscalls.master from r361599.
2020-05-28 21:23:02 +00:00
sysv_ipc.c
…
sysv_msg.c
Avoid copying out kernel pointers from msgctl(IPC_STAT).
2020-07-09 17:26:49 +00:00
sysv_sem.c
Apply the logic from r363051 to semctl(2) and __sem_base field.
2020-07-09 18:34:54 +00:00
sysv_shm.c
Centralize compatability translation macros.
2020-04-14 20:30:48 +00:00
tty_compat.c
…
tty_info.c
kern.tty_info_kstacks: set compact format as default
2020-07-06 16:34:15 +00:00
tty_inq.c
…
tty_outq.c
…
tty_pts.c
tty_pts: don't rely on tty header pollution for sys/mutex.h
2019-11-29 03:56:01 +00:00
tty_tty.c
…
tty_ttydisc.c
Implement FLUSHO
2020-08-27 05:11:15 +00:00
tty.c
Implement FLUSHO
2020-08-27 05:11:15 +00:00
uipc_accf.c
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)
2020-02-26 14:26:36 +00:00
uipc_debug.c
…
uipc_domain.c
- Move global network epoch definition to epoch.h, as more different
2020-01-15 03:34:21 +00:00
uipc_ktls.c
Add support for KTLS RX via software decryption.
2020-07-23 23:48:18 +00:00
uipc_mbuf2.c
m_pulldown(): Change an if () panic() into a KASSERT().
2019-11-06 22:40:19 +00:00
uipc_mbuf.c
Add m__getjcl SDT probe.
2020-08-05 11:39:09 +00:00
uipc_mbufhash.c
…
uipc_mqueue.c
vfs: remove the always-curthread td argument from VOP_RECLAIM
2020-08-19 07:28:01 +00:00
uipc_sem.c
vfs: remove the obsolete privused argument from vaccess
2020-08-05 09:27:03 +00:00
uipc_shm.c
vfs: remove the obsolete privused argument from vaccess
2020-08-05 09:27:03 +00:00
uipc_sockbuf.c
Guard sbcompress_ktls_rx with KERN_TLS
2020-07-25 07:15:23 +00:00
uipc_socket.c
Add the MSG_TLSAPPDATA flag to indicate "return ENXIO" for non-application TLS
2020-08-19 23:42:33 +00:00
uipc_syscalls.c
…
uipc_usrreq.c
Add SOL_LOCAL symbolic constant for unix socket option level.
2020-08-03 22:13:02 +00:00
vfs_acl.c
vfs: fix trivial whitespace issues which don't interefere with blame
2020-07-10 09:01:36 +00:00
vfs_aio.c
vfs: drop the error parameter from vn_isdisk, introduce vn_isdisk_error
2020-08-19 02:51:17 +00:00
vfs_bio.c
vfs: drop the error parameter from vn_isdisk, introduce vn_isdisk_error
2020-08-19 02:51:17 +00:00
vfs_cache.c
cache: relock on failure in cache_zap_locked_vnode
2020-08-26 12:54:18 +00:00
vfs_cluster.c
vfs: fix trivial whitespace issues which don't interefere with blame
2020-07-10 09:01:36 +00:00
vfs_default.c
vfs: assert that VI_TEXT_REF is not already set
2020-08-16 18:45:31 +00:00
vfs_export.c
vfs: fix trivial whitespace issues which don't interefere with blame
2020-07-10 09:01:36 +00:00
vfs_extattr.c
vfs_extattr: Allow extattr names up to the full max
2020-05-14 03:01:23 +00:00
vfs_hash.c
vfs hash: annotate the lock with __exclusive_cache_line
2020-08-05 19:34:13 +00:00
vfs_init.c
vfs: fix trivial whitespace issues which don't interefere with blame
2020-07-10 09:01:36 +00:00
vfs_lookup.c
vfs: validate ndp state after the lookup
2020-08-23 21:06:41 +00:00
vfs_mount.c
Fix a "v_seqc_users == 0 not met" panic when VFS_STATFS() fails during mount.
2020-08-26 21:49:43 +00:00
vfs_mountroot.c
vfs: fix trivial whitespace issues which don't interefere with blame
2020-07-10 09:01:36 +00:00
vfs_subr.c
vfs: respect PRIV_VFS_LOOKUP in vaccess_smr
2020-08-25 14:18:50 +00:00
vfs_syscalls.c
devfs: rework si_usecount to track opens
2020-08-11 14:27:57 +00:00
vfs_vnops.c
cache: drop the always curthread argument from reverse lookup routines
2020-08-24 08:57:02 +00:00
vnode_if.src
vfs: remove the always-curthread td argument from VOP_RECLAIM
2020-08-19 07:28:01 +00:00