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1487 Commits

Author SHA1 Message Date
thorpej
b436157e65 Make proc0 use the statically-allocate vmspace0 again, and make it use 
the kernel's pmap, since proc0 (and other that share its address space)
are kernel-only processes, and should never contain userspace mappings.

This makes it easier to detect errors, like entering user mappings
for kernel processes, in pmap modules, and makes some sense, considering
that kernel processes are really just "thread contexts" for the kernel.
 1998-03-27 01:52:01 +00:00
thorpej
272d8a4a38 Process 2 (the pagedaemon) always runs in kernel space, so share VM 
space with proc0.
 1998-03-22 18:22:07 +00:00
mycroft
2bb5067e13 Move the code to wait for carrier on a tty into a common function, since it 
depends only on device-independent state bits.
Implement SunOS-style `dialout' devices.
 1998-03-22 00:55:37 +00:00
mycroft
2ada4b4af1 Replace TS_WOPEN with t_wopen, per mail on tech-kern. 1998-03-21 04:02:47 +00:00
kleink
071ab13ebb Move the permission check in change_owner() back to ufs_vnops::ufs_chown() 
again - the facility required in this context would be a filesystem-specific
super-user determination, which is not available yet.  Also, add some
clarification to a comment.
 1998-03-10 11:49:33 +00:00
fvdl
1d02bb10d8 Clarify vget() comment a bit. 1998-03-04 09:13:48 +00:00
thorpej
9ebbb62608 Export spechash_slock; it's used outside of vfs_subr.c 1998-03-03 02:22:00 +00:00
thorpej
0080eaa0f5 Don't panic if DIAGNOSTIC in cluster_rbuild() if we aren't able to shed 
memory in a buffer returned by geteblk().  Instrument the number of
occurrences.
 1998-03-02 19:28:07 +00:00
ross
94ae870894 Compile post-lite2 with #ifndef DIAGNOSTIC 1998-03-01 09:51:29 +00:00
fvdl
78447a3cfd Regen. 1998-03-01 02:29:59 +00:00
fvdl
e5bc90f40c Merge with Lite2 + local changes 1998-03-01 02:20:01 +00:00
perry
a5385186b1 regen 1998-02-25 21:30:36 +00:00
perry
56c01cbd82 change second parm of sysarch() from char * to void * 1998-02-25 21:24:56 +00:00
chuck
5ad9218203 fix uvm-related protection error: we can't write protect the 
vmcmd_map_readvn() area until after we do vn_rdwr().  should fix
problem reported by sean doran.
 1998-02-23 18:53:22 +00:00
hannken
1bb761e96f Didn't compile with option MEMORY_DISK_HOOKS. 1998-02-22 12:53:53 +00:00
mycroft
28e8037334 Fix missing newline in time zone warning. 1998-02-20 07:22:14 +00:00
pk
201f7cf6b4 Add option to use "static" storage provided by the caller. 
From Matthias Drochner.
 1998-02-19 23:51:48 +00:00
thorpej
95cd40bf13 Regen; makesyscalls.sh changed 1998-02-19 03:31:11 +00:00
thorpej
78a9bfbb1c Argh, protect userland from includes in the syscall names file. 1998-02-19 03:30:24 +00:00
thorpej
2fc4c3415a Include the UNION option header. 1998-02-19 00:53:46 +00:00
thorpej
990ca1baa0 Regen; syscalls.master and makesyscalls.sh changed. 1998-02-19 00:53:17 +00:00
thorpej
58fff16650 Include the NFS and LFS option headers. 1998-02-19 00:52:14 +00:00
thorpej
b0b3787d14 Include the NFS option header. 1998-02-19 00:47:02 +00:00
thorpej
0640c5a64f Put #include directives in the system call names file, too, so we can 
generate dependencies on optional system calls.
 1998-02-18 23:14:55 +00:00
thorpej
9a3b52d482 Yay! This file is finally DEAD DEAD DEAD! 1998-02-18 07:17:13 +00:00
thorpej
d1f0dbf1b1 Don't use vfssw[], it's gone; use vfs_list instead. 
Implement vfs_attach() and vfs_detach(), which add and remove file systems
from the kernel.
 1998-02-18 07:16:41 +00:00
thorpej
6c57a3c322 Change vfs_opv_init_explicit() to not allocate the vnode operations 
vectors; defer that to vfs_opv_init().

Change the interface to vfs_opv_init() and export it; it now takes a
pointer to an array of vnodeopv_desc *'s to initialize.  Allocate
the vnode operations vectors here.  Called by vfs_attach().

Implement vfs_opv_free(), which deallocates the vnode operations
vectors.  Called by vfs_detach().

Change vfsinit() to build the initial vfs_list by traversing the
vfs_list_inital[] table, and vfs_attach()'ing those file systems.
Also, initialize special vnodeopv_descs (dead, fifo, spec) which
are not associated with any particular file system.
 1998-02-18 07:15:30 +00:00
thorpej
c7a0984b02 vfssw[] is gone; use vfs_list instead. 1998-02-18 07:11:46 +00:00
thorpej
da61b242a0 Use vfs_attach()/vfs_detach(). 1998-02-18 07:11:21 +00:00
kleink
f339e80ad6 Regen: syscalls.master change (addition of __posix_chown(), __posix_fchown(), 
__posix_lchown(); posix_rename() -> __posix_rename()).
 1998-02-14 20:05:53 +00:00
kleink
3404e6deb3 Implement __posix_chown(), __posix_fchown() and __posix_lchown(). Also, 
rename posix_rename() to __posix_rename() to follow this convention.
 1998-02-14 20:01:05 +00:00
kleink
3ef309317a * Factor out some permission-checking code from ufs_setattr() into 
change_owner().
* Change the semantics of chown(), fchown() and lchown(): when requesting a
  change of the owner of a file, clear the set-user-id bit; analogous behaviour
  for group changes.
* Since the above is a violation of the semantics specified by POSIX and
  X/Open, add corresponding compatibility syscalls: __posix_chown(),
  __posix_fchown(), __posix_lchown().  (Neither fchown() nor lchown() is
  specified by POSIX; the prefix is intended to reflect the semantics.)
* Rename posix_rename() to __posix_rename() to follow the above convention.
 1998-02-14 19:49:43 +00:00
kleink
59fe905973 Fix variable declarations: register -> register int. 1998-02-14 19:34:12 +00:00
thorpej
c1538fb038 Implement TIOCGSID. 1998-02-14 01:26:50 +00:00
thorpej
50c9f48319 Implement getsid(2), as defined by XPG4.2: returns the process group ID 
of the session leader of the specified process's session.
 1998-02-14 01:17:51 +00:00
thorpej
6da644fd03 Regen: syscalls.master changes (getsid(2)) 1998-02-14 00:40:45 +00:00
thorpej
da187f7f6d Reserve syscalls 283, 284, and 285 for 3 up-coming POSIX systems calls, 
per kleink.  Add XPG4.2's getsid(2) at #286.
 1998-02-14 00:39:33 +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
kleink
af9cc34b3c Add ONOCR and ONLRET output modes, from XPG4.2. 1998-02-13 21:53:44 +00:00
tls
561bc2f4ad Remove rounding-down of hash size in hashinit(); support non &hashmask hash functions such as % [prime number] without bletcherous hacks. 1998-02-13 17:36:41 +00:00
kleink
0dc9b5452d Fix variable declarations: register -> register int. 1998-02-12 20:39:41 +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
scottb
876dc027a1 added support for SCO UNIX (derived from iBCS2) 1998-02-09 01:29:10 +00:00
thorpej
1305ecbe62 Allow callers of uvm_km_suballoc() to specify where the base of the 
submap _must_ begin, by adding a "fixed" boolean argument.
 1998-02-08 06:15:53 +00:00
chs
ea8413cff7 whoops! undo GC, these are still used by OLDVM. 
not paying attention...
 1998-02-07 16:23:35 +00:00
chs
f64abc7b4c add flags arg to hashinit(), to pass to malloc(). 1998-02-07 02:44:44 +00:00
chs
0711fdaf0b fix a locking problem by replacing the call to uvm_kernacc() 
with an inlined version that uses kmem_map instead of kernel_map.
 1998-02-07 02:40:36 +00:00
chs
d7d62b7ad3 snazzier LOCKDEBUG code. 1998-02-07 02:14:04 +00:00
chs
a4a3a88958 GC unused stuff. 1998-02-07 02:13:00 +00:00
thorpej
6b1ff3c892 When copying out multiple control messages, ensure that the next control 
message is aligned.  From David Borman <dab@bsdi.com>.
 1998-02-06 23:19:26 +00:00