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280 Commits

Author SHA1 Message Date
kleink
382743ada3 Convert fsync vnode operator implementations and usage from the old `waitfor' 
argument and MNT_WAIT/MNT_NOWAIT to `flags' and FSYNC_WAIT.
 1998-06-05 19:53:00 +00:00
kleink
a32a338757 * Convert fsync vnode operator implementations and usage from the old 
waitfor argument and MNT_WAIT/MNT_NOWAIT to flags and FSYNC_WAIT.
* In genfs_fsync(), honor the FSYNC_NODATA flag.
 1998-06-05 19:52:59 +00:00
fvdl
8ccdc78ffc Since the interlock has been unlocked, also clear LK_INTERLOCK from 
a_flags in order to not confuse the layer that is called through
the following VCALL.
 1998-05-18 16:47:37 +00:00
pk
097731676e dead_lock() must unlock `v_interlock'. 1998-05-18 14:36:46 +00:00
fvdl
811dba68c1 procfs_readdir: in case of error, check if cookies actually have 
been allocated before freeing them. From Wolfgang Solfrank.
 1998-04-21 16:36:37 +00:00
veego
dd9d3a3015 Fix an error introduced in rev 1.39 where jason fixed kern/5271: 
s/vp/ap->a_vp/ in line 715.
 1998-04-11 08:51:12 +00:00
thorpej
13eebaf27e Fix two problems in union_link(): 
(1) Fix a typo that caused a NULL pointer deref.
(2) union_copyup() locks the vnode, so unlock it before calling relookup().
PR #5272, MINOURA, Makoto <minoura@kw.netlaputa.ne.jp>.
 1998-04-10 01:43:54 +00:00
thorpej
181995d5f7 Fix possible stray pointer deref in union_access, per PR #5271, 
submitted by MINOURA, Makoto <minoura@kw.netlaputa.ne.jp>.
 1998-04-10 01:39:45 +00:00
marc
efbd14c45d mounting a union causes VOP_WHITEOUT to be called on the upper root 
vn, with a 0 component.  If the upper fs was a unionfs,
union_whiteout() would deref compnent to get a struct proc, and panic.
struct proc was only being passed to FIXUP, which never used it.  It
turns out this happened a lot.  I ripped most of the unneeded code
out, and left in the few places that really did need the proc handle.
 1998-03-17 08:36:57 +00:00
fvdl
f75b1046d4 Fix flags mess-up in vget. LK_EXCLUSIVE -> 0 (even indicated in the 
comment, d'oh!)
 1998-03-11 15:52:02 +00:00
mrg
c6dd5cbefd standardise options header includes. 1998-03-08 14:04:14 +00:00
fvdl
7ba6a2daac Remove extraneous files from Lite2 merge. 1998-03-01 13:45:28 +00:00
fvdl
e5bc90f40c Merge with Lite2 + local changes 1998-03-01 02:20:01 +00:00
fvdl
e8d05f0741 Import 4.4BSD-Lite2 1998-03-01 02:12:49 +00:00
thorpej
62cb255d14 Place a pointer to an array of our vnodeopv_desc *'s in our vfsops 
structure, for use by vfs_attach().
 1998-02-18 07:26:57 +00:00
thorpej
b5bf2ed6d0 Place a pointer to an array of our vnodeopv_desc *'s in our vfsops 
structure, for use by vfs_attach().
 1998-02-18 07:05:47 +00:00
thorpej
d2924ae854 Prevent the session ID from disappearing if the session leader exits 
(thus causing s_leader to become NULL) by storing the session ID separately
in the session structure.  Export the session ID to userspace in the
eproc structure.

Submitted by Tom Proett <proett@nas.nasa.gov>.
 1998-02-14 00:37:26 +00:00
thorpej
44ed0e5b79 Don't include option headers if building an LKM. 1998-02-12 20:38:45 +00:00
mrg
d90485202c - add defopt's for UVM, UVMHIST and PMAP_NEW. 
- remove unnecessary UVMHIST_DECL's.
 1998-02-10 14:08:44 +00:00
chs
f64abc7b4c add flags arg to hashinit(), to pass to malloc(). 1998-02-07 02:44:44 +00:00
mrg
1a8c7604f4 initial import of the new virtual memory system, UVM, into -current. 
UVM was written by chuck cranor <chuck@maria.wustl.edu>, with some
minor portions derived from the old Mach code.  i provided some help
getting swap and paging working, and other bug fixes/ideas.  chuck
silvers <chuq@chuq.com> also provided some other fixes.

this is the rest of the MI portion changes.

this will be KNF'd shortly.  :-)
 1998-02-05 07:59:28 +00:00
perry
1a80fd799d RCSID Police. 1998-01-05 19:19:41 +00:00
fvdl
766487d941 Too many vnode ops were marked as bad op, but could happen in practice. 
Change them to genfs_eopnotsupp.
 1997-11-27 20:36:05 +00:00
mycroft
d24c4d31e1 Make the curproc link executable. 1997-10-30 09:14:07 +00:00
christos
4071635fa6 Add missing cast to dev_t 1997-10-16 23:57:51 +00:00
fvdl
ce56587f15 Bump last argument to VOP_READDIR to off_t (from u_long). 1997-10-10 02:01:05 +00:00
fvdl
ebffddb531 Bump last argument to VOP_READDIR to off_t (from u_long). 1997-10-10 02:01:02 +00:00
fvdl
ab940dcf06 Bump last argument to VOP_READDIR to off_t (from u_long). 1997-10-10 02:00:56 +00:00
mycroft
4383ea0b92 Make openstr[] const. 1997-10-09 13:12:01 +00:00
mycroft
64d080efe0 Make various standard wmesg strings const. 1997-10-09 12:59:50 +00:00
thorpej
c9efd0562e Make the vfs ops and vnodeop_opv symbols match the name of the 
file-system option used to configure the file system into the kernel.
 1997-10-06 09:32:31 +00:00
leo
e0f973ee3b Implement the kernel part of pr-1891. This allows for a more flexible sized 
msgbuf. Note that old 'dmesg' and 'syslogd' binaries will continue running,
though old 'dmesg' binaries will output a few bytes of junk at the start of
the buffer, and will miss a few bytes at the end of the buffer.
 1997-09-19 19:14:20 +00:00
enami
b4ae3706db Use the same indentation as other two place, sys_ptrace() and 
procfs_control().

Ok'ed by Jason R. Thorpe.
 1997-09-13 04:25:35 +00:00
christos
4fb8bf7262 PR/4098: Alan Barrett: Fix diagnostic printf formatting. 1997-09-10 13:44:20 +00:00
thorpej
a79a3ca472 Fix a reversed argument which caused procfs_checkioperm() to always return 
"OK".  Add a few comments to avoid further confusion.
 1997-08-27 08:52:51 +00:00
explorer
945beb8d63 Move procfs_checkioperm() from procvs_subr.c to procfs_mem.c, since _subr is 
not included in a kernel without procfs, and it seems wrong to pull
all of procfs_subr.c in for just that one function.  Perhaps this
should go into a new file instead?
 1997-08-13 04:01:22 +00:00
thorpej
f9777e4a1c Fix the procfs hole described on current-users, similar to a fix for 
FreeBSD by Sean Eric Fagan, but a bit different.  This makes the checks
in the same places as sef's FreeBSD patch, but does not hardcode the
"kmem" group into the kernel, and also does a check identical to the
(3) and (4) checks in the NetBSD ptrace(2):

	(1) it's not owned by you, or is set-id on exec (unless
	    you're root), or

	(2) it's init, which controls the security level of the
	    entire system, and the system was not compiled with
	    permanently insecure mode turned on.
 1997-08-12 22:47:18 +00:00
drochner
aa015962db Since there is a "%qx" printf format, don't truncate to long for 
debug output.
 1997-07-04 19:22:48 +00:00
mycroft
2ee8bc2b79 Don't allow writes to init's memory or registers while in secure mode. 1997-06-25 11:32:15 +00:00
thorpej
a149ed59e4 Eliminate use of dtom() in the handing of UNIX domain sockets. Add an 
"unp_addrlen" member to the unpcb, and use it when copying the socket
name.  This eliminates that last uses of dtom() in the system.
 1997-06-24 19:12:53 +00:00
kleink
a1c6b08386 When reading from an empty FIFO no process has opened for writing, and 
O_NONBLOCK is set, return 0.
 1997-05-18 12:19:29 +00:00
pk
80bb266e0e NULL => 0 (Arne Juul; PR#3629) 1997-05-17 20:31:15 +00:00
pk
420dea1e9a Move `struct kern_target' definition into kernfs.h 1997-05-10 22:04:13 +00:00
mycroft
3be66b88fe Update for lookup() changes. 1997-05-09 04:05:01 +00:00
mycroft
e3f99a9397 Pass the vnode type to vaccess(), and use it when checking VEXEC. Make sure 
that the mode bits passed to vaccess() and returned by foo_getattr() contain
only permission bits.
 1997-05-08 16:19:43 +00:00
mycroft
4d213ec5e7 Need stat.h. 1997-05-05 07:34:09 +00:00
mycroft
0f09f99ae1 Need stat.h. 1997-05-05 07:19:05 +00:00
mycroft
1e3c14a909 Eliminate bogus uses of V{READ,WRITE,EXEC}. Use S_I[RWX]{USR,GRP,OTH} where 
appropriate.
 1997-05-05 07:13:57 +00:00
mycroft
701f15db33 Reinstate P_FSTRACE, with different semantics: 
* Never send a SIGCHLD to the parent if P_FSTRACE is set.
* Do not permit mixing ptrace(2) and procfs; only permit using the one that
  was attached.
 1997-04-28 04:49:27 +00:00
mycroft
8a33a13c65 Minor code cleanup. 1997-04-28 03:49:57 +00:00