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freebsd-skq/sys/kern
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ed 94258be421 Track state to determine if the associated TTY device node has been used. 
It turns out our old TTY layer (and other implementations) block when
you read() on a PTY master device of which the slave device node has not
been opened yet. Our new implementation just returned 0. This caused
applications like telnetd to die in a very subtle way (when child
processes would open the TTY later than the first call to select()).

Introduce a new flag called PTS_FINISHED, which indicates whether we
should block or bail out of a read() or write() occurs.

Reported by:	Claude Buisson <clbuisson orange fr>
2008-09-23 17:12:25 +00:00
..
bus_if.m Implement a BUS_BIND_INTR() method in the bus interface to bind an IRQ 2008-03-20 21:24:32 +00:00
clock_if.m
cpufreq_if.m
device_if.m
genassym.sh refactor code so it can run in a chroot without having to have /dev/mounted 2008-01-18 17:02:14 +00:00
imgact_aout.c VOP_LOCK1() (and so VOP_LOCK()) and VOP_UNLOCK() are only used in 2008-01-13 14:44:15 +00:00
imgact_elf32.c
imgact_elf64.c
imgact_elf.c Go back to using the process command name (p_comm) for the file name and 2008-05-15 03:07:34 +00:00
imgact_gzip.c VOP_LOCK1() (and so VOP_LOCK()) and VOP_UNLOCK() are only used in 2008-01-13 14:44:15 +00:00
imgact_shell.c Decontextualize the couplet VOP_GETATTR / VOP_SETATTR as the passed thread 2008-08-28 15:23:18 +00:00
inflate.c
init_main.c remove scheduler_running as xenbus no longer needs it 2008-08-20 09:21:24 +00:00
init_sysent.c Regenerate following r182123. 2008-08-24 21:23:08 +00:00
kern_acct.c Properly lock proctree_lock before locking the process while accounting. 2008-08-21 15:02:17 +00:00
kern_alq.c Use msleep_spin() instead of unlock/tsleep/lock. This was 2008-07-02 20:44:33 +00:00
kern_clock.c Implement per-cpu callout threads, wheels, and locks. 2008-04-02 11:20:30 +00:00
kern_condvar.c Permit Giant to be passed as the explicit interlock either to 2008-08-07 21:00:13 +00:00
kern_conf.c Integrate the new MPSAFE TTY layer to the FreeBSD operating system. 2008-08-20 08:31:58 +00:00
kern_context.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_cpu.c Fix a few edge cases with error handling in cpufreq(4)'s CPUFREQ_GET() 2008-05-05 19:13:52 +00:00
kern_cpuset.c Add a `show cpusets' DDB command to print numbered root and 2008-07-07 21:32:02 +00:00
kern_ctf.c Add the CTF source file which gets shared with link_elf.c and link_elf_obj.c. 2008-05-23 03:04:27 +00:00
kern_descrip.c Integrate the new MPSAFE TTY layer to the FreeBSD operating system. 2008-08-20 08:31:58 +00:00
kern_dtrace.c Remove code that isn't required. It actually breaks the case where KDTRACE_HOOKS 2008-06-16 04:44:29 +00:00
kern_environment.c Implement the following macros for completeness: 2008-07-21 15:05:25 +00:00
kern_event.c The kqueue_register() function assumes that it is called from the top of 2008-07-07 09:30:11 +00:00
kern_exec.c Remove VSVTX, VSGID and VSUID. This should be a no-op, 2008-09-10 13:16:41 +00:00
kern_exit.c Don't remove queued SIGCHLD if options contain WNOWAIT, so other 2008-08-29 01:34:05 +00:00
kern_fork.c Do the pargs_hold() on the copy of the pointer to the p_args of the 2008-07-23 08:45:25 +00:00
kern_idle.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
kern_intr.c style(9) 2008-09-23 14:25:56 +00:00
kern_jail.c Commit step 1 of the vimage project, (network stack) 2008-08-17 23:27:27 +00:00
kern_kthread.c Kill a dead variable 2008-08-03 21:07:19 +00:00
kern_ktr.c Remove slightly oddly placed suser() call from the KTR/ALQ setup sysctl: 2006-09-09 16:09:01 +00:00
kern_ktrace.c This patch adds a new ktrace(2) record type, KTR_STRUCT, whose payload 2008-02-23 01:01:49 +00:00
kern_linker.c Decontextualize the couplet VOP_GETATTR / VOP_SETATTR as the passed thread 2008-08-28 15:23:18 +00:00
kern_lock.c Teach WITNESS about the interlocks used with lockmgr. This removes a bunch 2008-09-10 19:13:30 +00:00
kern_lockf.c Re-implement the client side of rpc.lockd in the kernel. This implementation 2008-06-26 10:21:54 +00:00
kern_malloc.c Enable the creation of a kmem map larger than 4GB. 2008-07-05 19:34:33 +00:00
kern_mbuf.c Reintroduce UMA_SLAB_KMAP; however, change its spelling to 2008-04-04 18:41:12 +00:00
kern_mib.c Fix a typo in r180291 2008-08-28 23:52:34 +00:00
kern_module.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
kern_mtxpool.c Universally adopt most conventional spelling of acquire. 2007-05-27 20:50:23 +00:00
kern_mutex.c Teach WITNESS about the interlocks used with lockmgr. This removes a bunch 2008-09-10 19:13:30 +00:00
kern_ntptime.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
kern_physio.c
kern_pmc.c Support sparsely numbered CPUs. 2008-09-22 10:37:02 +00:00
kern_poll.c Commit step 1 of the vimage project, (network stack) 2008-08-17 23:27:27 +00:00
kern_priv.c Remove the suser(9) interface from the kernel. It has been replaced from 2008-09-17 15:49:44 +00:00
kern_proc.c Fix minor TTY API inconsistency. 2008-09-16 14:57:23 +00:00
kern_prot.c Merge first in a series of TrustedBSD MAC Framework KPI changes 2007-10-24 19:04:04 +00:00
kern_resource.c Fix a small typo in a comment in calcru1(). 2008-09-05 15:55:06 +00:00
kern_rmlock.c Teach WITNESS about the interlocks used with lockmgr. This removes a bunch 2008-09-10 19:13:30 +00:00
kern_rwlock.c Teach WITNESS about the interlocks used with lockmgr. This removes a bunch 2008-09-10 19:13:30 +00:00
kern_sdt.c Add kernel support for the Statically Defined Trace provider. 2008-05-18 19:32:36 +00:00
kern_sema.c
kern_shutdown.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
kern_sig.c Decontextualize the couplet VOP_GETATTR / VOP_SETATTR as the passed thread 2008-08-28 15:23:18 +00:00
kern_subr.c Make ureadc() warn when holding any locks, just like uiomove(). 2008-08-28 19:34:58 +00:00
kern_switch.c fix typo in runz_fuzz 2008-05-12 06:42:06 +00:00
kern_sx.c Teach WITNESS about the interlocks used with lockmgr. This removes a bunch 2008-09-10 19:13:30 +00:00
kern_synch.c Remove the now unused `lbolt' variable from the kernel. 2008-08-20 12:20:22 +00:00
kern_syscalls.c Various style fixes. 7 space indent is just odd. 2008-09-18 20:10:11 +00:00
kern_sysctl.c Add sysctl_rename_oid() to support device_set_unit() usage. Otherwise, 2007-11-30 21:29:08 +00:00
kern_tc.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
kern_thr.c Fix compiling problem. 2008-04-29 05:48:05 +00:00
kern_thread.c A suspended thread can, in fact, be swapped out. Thus, 2008-08-22 16:15:58 +00:00
kern_time.c Make sure reading td_runtime in critical section since thread may be 2008-01-18 13:00:28 +00:00
kern_timeout.c add callout_schedule; besides being useful it also improves 2008-08-02 17:42:38 +00:00
kern_umtx.c Add two commands to _umtx_op system call to allow a simple mutex to be 2008-06-24 07:32:12 +00:00
kern_uuid.c Commit step 1 of the vimage project, (network stack) 2008-08-17 23:27:27 +00:00
kern_xxx.c Commit step 1 of the vimage project, (network stack) 2008-08-17 23:27:27 +00:00
ksched.c Commit 14/14 of sched_lock decomposition. 2007-06-05 00:00:57 +00:00
link_elf_obj.c Calling linker_load_dependencies() while holding the module' 2008-08-03 13:33:45 +00:00
link_elf.c Calling linker_load_dependencies() while holding the module' 2008-08-03 13:33:45 +00:00
linker_if.m Add the ctf_get method. 2008-05-23 04:06:49 +00:00
Make.tags.inc Remove netatm from HEAD as it is not MPSAFE and relies on the now removed 2008-05-25 22:11:40 +00:00
Makefile style.Makefile(5) 2007-12-14 21:30:51 +00:00
makesyscalls.sh Generate another function for the DTrace syscall provider to specify 2008-03-27 01:53:44 +00:00
md4c.c
md5c.c
p1003_1b.c Remove kernel support for M:N threading. 2008-03-12 10:12:01 +00:00
posix4_mib.c Fix mispatch of includes list; allows my kernel to build successfully. 2006-11-12 03:34:03 +00:00
sched_4bsd.c When choosing a CPU for a thread in a cpuset, prefer the last CPU that the 2008-07-28 20:39:21 +00:00
sched_ule.c - Check whether we've recorded this tick in ts_ticks on another cpu in 2008-07-19 05:13:47 +00:00
serdev_if.m
stack_protector.c Fix a chicken-and-egg problem: this files implements SSP support, 2008-06-26 07:52:45 +00:00
subr_acl_posix1e.c Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in 2007-06-12 00:12:01 +00:00
subr_autoconf.c If run_interrupt_driven_config_hooks() waits 360 seconds and INVARIANTS 2008-07-21 20:50:49 +00:00
subr_blist.c add malloc flag to blist so that it can be used in ithread context 2008-05-05 19:48:54 +00:00
subr_bus.c Split out the probing magic of device_probe_and_attach into 2008-06-20 16:58:15 +00:00
subr_clist.c Now that the number of clist consumers have dropped massively, trim down 2008-09-21 18:12:18 +00:00
subr_clock.c Now that all platforms use genclock, shuffle things around slightly 2008-04-22 19:38:30 +00:00
subr_devstat.c
subr_disk.c Add a new I/O request - BIO_FLUSH, which basically tells providers below to 2006-10-31 21:11:21 +00:00
subr_eventhandler.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
subr_fattime.c Better naming of fattime conversion functions, they do convert to timespec 2006-10-24 10:27:23 +00:00
subr_firmware.c Do image loading in a context known to have a root directory: 2008-04-09 19:07:48 +00:00
subr_hints.c Use a sleep mutex instead of an sx lock for the kernel environment. This 2006-07-09 21:42:58 +00:00
subr_kdb.c Expand kdb_alt_break a little, most commonly used with the option 2008-05-04 23:29:38 +00:00
subr_kobj.c
subr_lock.c - track maximum wait time 2008-07-27 21:45:20 +00:00
subr_log.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
subr_mbpool.c Add parens around *free in *free++ in mbp_count() so that mbp_count() 2007-05-27 17:38:36 +00:00
subr_mchain.c Replaced the misleading uses of a historical artefact M_TRYWAIT with M_WAIT. 2008-03-25 09:39:02 +00:00
subr_module.c
subr_msgbuf.c
subr_param.c Correct an error in the comments for init_param3(). 2008-07-04 19:36:58 +00:00
subr_pcpu.c Make ddb command registration dynamic so modules can extend 2008-09-15 22:45:14 +00:00
subr_power.c
subr_prf.c Integrate the new MPSAFE TTY layer to the FreeBSD operating system. 2008-08-20 08:31:58 +00:00
subr_prof.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
subr_rman.c Make ddb command registration dynamic so modules can extend 2008-09-15 22:45:14 +00:00
subr_rtc.c Now that all platforms use genclock, shuffle things around slightly 2008-04-22 19:38:30 +00:00
subr_sbuf.c Switch to simplified BSD license (with phk's approval), plus whitespace 2008-08-09 10:26:21 +00:00
subr_scanf.c
subr_sleepqueue.c Make ddb command registration dynamic so modules can extend 2008-09-15 22:45:14 +00:00
subr_smp.c - Only count the number of CPUs in the rendezvous map once rather than 2008-08-27 18:23:55 +00:00
subr_stack.c Staticize M_STACK. 2008-07-13 17:15:05 +00:00
subr_taskqueue.c revert local change 2008-07-18 07:10:33 +00:00
subr_trap.c - Make SCHED_STATS more generic by adding a wrapper to create the 2008-04-17 04:20:10 +00:00
subr_turnstile.c Make ddb command registration dynamic so modules can extend 2008-09-15 22:45:14 +00:00
subr_unit.c Since cdev mutex is after system map mutex in global lock order, free() 2007-07-04 06:56:58 +00:00
subr_witness.c Make ddb command registration dynamic so modules can extend 2008-09-15 22:45:14 +00:00
sys_generic.c Reverse if() logic to improve readability. 2008-09-23 14:25:38 +00:00
sys_pipe.c Another problem caused by the knlist_cleardel() potentially dropping 2008-05-23 11:14:03 +00:00
sys_process.c - Relax requirements for p_numthreads, p_threads, p_swtick, and p_nice from 2008-03-19 06:19:01 +00:00
sys_socket.c Add code to allow the system to handle multiple routing tables. 2008-05-09 23:03:00 +00:00
syscalls.c Regenerate following r182123. 2008-08-24 21:23:08 +00:00
syscalls.master When MPSAFE ttys were merged, a new BSM audit event identifier was 2008-08-24 21:20:35 +00:00
systrace_args.c Integrate the new MPSAFE TTY layer to the FreeBSD operating system. 2008-08-20 08:31:58 +00:00
sysv_ipc.c Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in 2007-06-12 00:12:01 +00:00
sysv_msg.c Merge first in a series of TrustedBSD MAC Framework KPI changes 2007-10-24 19:04:04 +00:00
sysv_sem.c Renew semaphore's pointer after wakeup since during msleep 2008-06-19 18:08:42 +00:00
sysv_shm.c Make sure we restrict Linux only IPC calls from being executed 2008-02-12 20:55:03 +00:00
tty_compat.c Fix an awful bug inside our COMPAT_43TTY code. 2008-09-04 16:30:53 +00:00
tty_cons.c Integrate the new MPSAFE TTY layer to the FreeBSD operating system. 2008-08-20 08:31:58 +00:00
tty_info.c Integrate the new MPSAFE TTY layer to the FreeBSD operating system. 2008-08-20 08:31:58 +00:00
tty_inq.c Fix some edge cases in the TTY queues: 2008-08-30 09:18:27 +00:00
tty_outq.c Fix some edge cases in the TTY queues: 2008-08-30 09:18:27 +00:00
tty_pts.c Track state to determine if the associated TTY device node has been used. 2008-09-23 17:12:25 +00:00
tty_pty.c Allow the user to suppress the rate-limited pty(4) warning. 2008-08-23 16:03:00 +00:00
tty_tty.c Remove unneeded Giant locking of /dev/tty. 2008-06-03 12:38:00 +00:00
tty_ttydisc.c Introduce a hooks layer for the MPSAFE TTY layer. 2008-09-22 19:25:14 +00:00
tty.c Introduce a hooks layer for the MPSAFE TTY layer. 2008-09-22 19:25:14 +00:00
uipc_accf.c
uipc_cow.c Give MEXTADD() another argument to make both void pointers to the 2008-02-01 19:36:27 +00:00
uipc_debug.c Change a variable name to not shadow a global 2008-07-03 08:35:59 +00:00
uipc_domain.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
uipc_mbuf2.c Merge first in a series of TrustedBSD MAC Framework KPI changes 2007-10-24 19:04:04 +00:00
uipc_mbuf.c Remove the alignment of the align parameter. This is up to the caller to pass 2008-09-05 04:05:31 +00:00
uipc_mqueue.c fdescfs, devfs, mqueuefs, nfs, portalfs, pseudofs, tmpfs and xfs 2008-09-20 19:50:52 +00:00
uipc_sem.c Rework the lifetime management of the kernel implementation of POSIX 2008-06-27 05:39:04 +00:00
uipc_shm.c Rework the lifetime management of the kernel implementation of POSIX 2008-06-27 05:39:04 +00:00
uipc_sockbuf.c Catch a possible NULL pointer deref in case the offsets got mangled 2008-09-07 13:09:04 +00:00
uipc_socket.c Remove XXXRW in soreceive_dgram that proves unnecessary. 2008-09-02 16:55:21 +00:00
uipc_syscalls.c When sendto(2) is called with an explicit destination address 2008-05-22 07:18:54 +00:00
uipc_usrreq.c Fill in a few sysctl descriptions. 2008-07-26 00:55:35 +00:00
vfs_acl.c Add the support for the AT_FDCWD and fd-relative name lookups to the 2008-03-31 12:01:21 +00:00
vfs_aio.c Use minimum of max_aio_procs and target_aio_procs when spawning new 2008-06-21 11:34:34 +00:00
vfs_bio.c Add the ffs structures introspection functions for ddb. 2008-09-16 11:19:38 +00:00
vfs_cache.c Sort includes. 2008-09-18 20:04:22 +00:00
vfs_cluster.c - Complete part of the unfinished bufobj work by consistently using 2008-03-22 09:15:16 +00:00
vfs_default.c Decontextualize the couplet VOP_GETATTR / VOP_SETATTR as the passed thread 2008-08-28 15:23:18 +00:00
vfs_export.c Provide the mutual exclusion between the nfs export list modifications 2008-06-09 10:31:38 +00:00
vfs_extattr.c Add the support for the AT_FDCWD and fd-relative name lookups to the 2008-03-31 12:01:21 +00:00
vfs_hash.c In keeping with style(9)'s recommendations on macros, use a ';' 2008-03-16 10:58:09 +00:00
vfs_init.c Remove VFS_VPTOFH entirely. API is already broken and it is good time to 2007-02-16 17:32:41 +00:00
vfs_lookup.c Decontextualize vfs_busy(), vfs_unbusy() and vfs_mount_alloc() functions. 2008-08-31 14:26:08 +00:00
vfs_mount.c Add freebsd32 compat shim for nmount(2). 2008-09-19 15:17:32 +00:00
vfs_subr.c Decontextualize vfs_busy(), vfs_unbusy() and vfs_mount_alloc() functions. 2008-08-31 14:26:08 +00:00
vfs_syscalls.c When setting error to EINVAL in 'fvp == tdvp' case, jump to out label, 2008-09-01 10:11:39 +00:00
vfs_vnops.c Initialize va_rdev to NODEV and va_fsid to VNOVAL before the 2008-09-20 19:48:24 +00:00
vnode_if.src Decontextualize the couplet VOP_GETATTR / VOP_SETATTR as the passed thread 2008-08-28 15:23:18 +00:00