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75 Commits

Author SHA1 Message Date
chs b0ec16cc38 remove dead code and other misc cleanup. 2000-11-24 18:58:37 +00:00
tv 10d08cc9f2 Only show the "exe" entry to Linux processes, suggested by christos. 
Since there are actually three struct emul's for linux, use the e_name
field to determine eligibility with strcmp().
 2000-08-09 23:30:49 +00:00
tv ae4dea1dc4 Some versions of Linux libc look for /proc/.../exe instead of /proc/../file. 
Add an entry for "exe" that is the same as "file", provided only if
COMPAT_LINUX is set.
 2000-08-09 21:08:11 +00:00
thorpej b94e29816f MALLOC()/FREE() are not to be used for variable sized allocations. 2000-08-03 03:39:52 +00:00
mrg 20515f2854 <vm/vm.h> -> <uvm/uvm_extern.h> 2000-06-28 02:44:06 +00:00
simonb 92701d715c Delete duplicate declaration of atopid(). 2000-03-30 02:20:14 +00:00
thorpej 8772062270 Make /proc/self a symlink to /proc/curproc. I've observed Linux programs 
that expect /proc/self/cmdline to exist.
 1999-09-02 23:33:45 +00:00
sommerfeld 197579af47 Change variable used for directory offset from "int" to "off_t". 
Overkill, but avoids a host of truncation problems.
 1999-08-25 14:42:35 +00:00
sommerfeld 2e649e46d3 Fix PR8270: 
Problem turned out to be due to improper handling of reads beyond EOF:
they should just return without error with the uio unchanged, and the
caller will recognize this as a zero-byte return (EOF).

The previous fix to protect directory reads against bogus uio_offset
values returned EINVAL, which broke mount -o union, which only
union'ed in the lower directory if the upper directory cleanly
returned EOF.

While we're here, protect kernfs as well.
 1999-08-24 23:29:08 +00:00
christos 582a6def8b protect against large uio_offset 1999-08-14 02:20:19 +00:00
wrstuden 3bf14d81e9 Add support for fcntl(2) to generate VOP_FCNTL calls. Any fcntl 
call with F_FSCTL set and F_SETFL calls generate calls to a new
fileop fo_fcntl. Add genfs_fcntl() and soo_fcntl() which return 0
for F_SETFL and EOPNOTSUPP otherwise. Have all leaf filesystems
use genfs_fcntl().

Reviewed by: thorpej
Tested by: wrstuden
 1999-08-03 20:19:16 +00:00
thorpej fc04cf9982 Add calls to lock the proclist as appropriate. 1999-07-25 18:33:47 +00:00
thorpej f9b0db3013 Fix a paste-o in procfs_lookup() introduced with the vnode locking changes. 
Fixes PR #7961, Mario Kemper <magick@bundy.lip.owl.de>.
 1999-07-14 23:52:22 +00:00
wrstuden 9fc36d6807 Bump osrelease to 1.4E. Add layerfs files, remove null_subr.c. 
Update coda to new struct lock in struct vnode.

make fdescfs, kernfs, portalfs, and procfs actually lock their vnodes.
It's not that hard.

Make unionfs set v_vnlock = NULL so any overlayed fs will call its
VOP_LOCK.
 1999-07-08 01:26:21 +00:00
christos 8aa2fc5ab8 PR/7143: Jaromir Docelek: Add procfs/cmdline from Linux emulation 1999-03-12 18:45:40 +00:00
msaitoh ea669760d6 Add /proc/#/map. From FreeBSD. 1999-01-25 02:20:08 +00:00
thorpej 970e60efb8 - Use proclists[], rather than checking allproc and zombproc explicitly. 
- Add some comments about locking.
 1998-09-08 23:50:13 +00:00
kleink 5350df2953 Per POSIX, fail with EINVAL if advisory locking is attempted on a file type 
that doesn't support it, rather than using a homegrown EBADF or EOPNOTSUPP.
 1998-08-13 10:06:31 +00:00
matthias 574106c52b create miscfs/genfs/genfs_vnops.c:genfs_enoioctl and make all the other 
filesystems use it instead of a private version.
 1998-08-10 08:11:10 +00:00
perry 4522c799a1 bzero->memset, bcopy->memcpy, bcmp->memcmp 1998-08-09 20:51:08 +00:00
kleink 12a866151b Recognize _PC_SYNC_IO. 1998-08-03 14:19:57 +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
fvdl e5bc90f40c Merge with Lite2 + local changes 1998-03-01 02:20:01 +00:00
fvdl ce56587f15 Bump last argument to VOP_READDIR to off_t (from u_long). 1997-10-10 02:01:05 +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
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
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 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 8a33a13c65 Minor code cleanup. 1997-04-28 03:49:57 +00:00
cgd a67c0b16b8 define path name string variables that we should not (and, thankfully, do 
not) modify as 'const char *' rather 'char *'.
 1996-10-25 21:57:58 +00:00
christos 92a808f167 backout previous kprintf changes 1996-10-13 02:21:25 +00:00
christos 60d201973e printf -> kprintf, sprintf -> ksprintf 1996-10-10 22:46:11 +00:00
mycroft 2bc736661a Implement poll(2). 1996-09-07 12:40:22 +00:00
mycroft c52352c819 Add a set of generic file system operations that most file systems use. 
Also, fix some time stamp bogosities.
 1996-09-01 23:47:48 +00:00
christos da749d6e09 Fix printf format follies. 1996-03-16 23:52:42 +00:00
mycroft 183aec8fa8 GC *_nullop(). Minor nits. 1996-02-13 13:12:48 +00:00
christos 19dc07be15 close PR/2063: procfs_rw prototyped twice with different prototypes 1996-02-12 15:01:41 +00:00
christos 631ccba638 miscfs prototype changes 1996-02-09 22:39:56 +00:00
mycroft 53fccab940 Fix vop_link, vop_symlink, and vop_remove semantics in several ways: 
* Change the argument names to vop_link so they actually make sense.
* Implement vop_link and vop_symlink for all file systems, so they do proper
  cleanup.
* Require the file system to decide whether or not linking and unlinking of
  directories is allowed, and disable it for all current file systems.
 1996-02-09 14:45:36 +00:00
mycroft d60bb4a465 Use the index number as the cookie, rather than multiplying by UIO_MX. 1995-10-09 14:03:32 +00:00
mycroft bcaf2bca34 Add support for cookies, mostly from Greg Hudson. 1995-10-09 11:18:51 +00:00
cgd 13f5026553 fix timeval vs. timespec warnings 1995-04-15 01:56:43 +00:00
mycroft 597bdad3df Return EROFS rather than ENOENT in many cases. Also some cosmetic cleanup. 1995-02-03 16:18:46 +00:00
mycroft 609063ce2b Format police. 1994-12-27 19:05:12 +00:00
ws 2f0fb8ee09 Implement and use a common access checking routine 1994-12-24 16:44:12 +00:00
mycroft 7276c4ed44 Remove a_fp. 1994-12-14 18:45:21 +00:00
christos a1dbf4aaa5 fixed struct comment 1994-11-14 06:08:21 +00:00
cgd 6ac2bbfc35 be more careful with types, also pull in headers where necessary. 1994-10-30 21:43:03 +00:00
cgd 6b86130410 update for new syscall args description mechanism 1994-10-20 04:22:35 +00:00