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242 Commits

Author SHA1 Message Date
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
mycroft 217c4e14ea Fix several deficiencies, as compared to ptrace(2): 
* Did not check for P_SUGID on ATTACH.
* Did not check for tracing of init on ATTACH.
* Did not turn off single-step mode on RUN or DETACH.
* Might have screwed up reparenting in some cases.
* Allowed anyone to detach the process.
 1997-04-28 02:28:39 +00:00
fvdl aadf9a1d0f fdesc_seek -> genfs_seek, not genfs_badop 1997-04-16 22:43:41 +00:00
kleink 9c16cd8a46 Implement a POSIX compliant genfs VOP_SEEK() and use it in the appropriate 
places; by Chris G. Demetriou and myself.
 1997-04-11 21:52:00 +00:00
cgd 89a4d9a733 don't try to use __builtin_return_address() on the Alpha. (It's never 
worked as far as I can tell, and apparently crashes the kernel when
invoked here.)  From Ross Harvey, PR#3471.
 1997-04-10 05:35:08 +00:00
kleink 8c04785710 Remove superfluous (uio_resid == 0) check. 1997-04-02 17:14:32 +00:00
kleink c1779f82c3 added advisory record locking support 1997-04-02 17:09:47 +00:00
mikel bd1ca0f680 this is umapfs, not lofs 1997-03-11 03:55:04 +00:00
mikel 812eb1fae4 this is nullfs, not lofs 1997-03-11 03:54:29 +00:00
mikel be4f5a32c1 use the proper entry count; from Yasufumi Itoh in PR kern/3175. 1997-02-20 05:04:05 +00:00
cgd 90688fce27 Change the second and third args to struct vfsops' (*vfs_mount)() to 
'const char *', and 'void *', respectively.  The second arg is taken directly
from user arguments, and is const there, so must be const in the prototypes
and functions.  The third arg is also taken directly from user arguments.
It doesn't have to be changed, but since it's cleaner to keep the type
the same as the user arg's type, and I'm already making the 'const char *'
change...
 1996-12-22 10:10:12 +00:00
pk 3127b0c5e2 Fix short malloc & memory leak in union_relookup() (per Naofumi Honda; PR#3000). 1996-12-07 11:02:47 +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
cgd eaa37ec87a remove bogus cast of second arg to bcmp(). (nm_name is a const char*, 
and was being unnecessarily cast to 'char *'; -Wcast-qual.)
 1996-10-25 21:52:02 +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 605403ce1e portal_fsync -> genfs_nullop 1996-09-25 03:01:41 +00:00
mycroft 2bc736661a Implement poll(2). 1996-09-07 12:40:22 +00:00
thorpej 2c02b8ec56 Remove some unused variables. 1996-09-05 09:26:14 +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
mrg 2a0f025a41 use VATTR_NULL macro. 1996-06-14 09:27:23 +00:00
mycroft 95f26583aa Add a missing PHOLD()/PRELE() pair. 1996-06-11 01:49:38 +00:00
cgd f7f3f4299d print pointers with %p, rather than by printing with %x and casting to 
(unsigned int).
 1996-05-23 23:34:14 +00:00
mycroft ea64155398 Mirror changes in uipc_usrreq.c. 1996-05-23 18:45:14 +00:00
gwr 316f45753f Allow the DIAGNOSTIC to compile with old versions of gcc. 1996-05-17 20:53:11 +00:00
mrg d0f2ced7d2 use %p not %x for pointers 1996-05-13 07:13:23 +00:00
jtk 6ddae4d140 Implement proper `..' locking in lookup code to avoid many potential 
deadlocks.

copy up properly when adding a link to lower-layer only file.
(I believe there are still more deadlocks remaining.)
 1996-05-10 22:57:49 +00:00
jtk c9c8daaf7c Add locking code to avoid deadlocks on vnode reclaim, which means the 
addition of null_lookup, null_lock, null_unlock, null_islocked.
 1996-05-10 22:50:45 +00:00
christos 4ef330b934 remove include of <sys/cpu.h> 1996-04-22 01:38:12 +00:00
cgd 7e4d04910d fix screw-up in the prototyping changes: print pointers with %p, NOT 
by casting them to (unsigned int) then printing with %x.
 1996-04-13 01:34:06 +00:00
mrg 2a0a8867ae fix long-time bug in fdesc -- /dev/tty was a named pipe rather than a 
mirror image of the real /dev/tty, a char dev.  make it a char dev.
 1996-04-11 11:24:29 +00:00
christos da749d6e09 Fix printf format follies. 1996-03-16 23:52:42 +00:00
thorpej c685105f07 Don't deref a bad ucred pointer, from Dave Carrel <carrel@cisco.com>, 
PR #1699.
 1996-03-05 02:35:39 +00:00
mycroft 183aec8fa8 GC *_nullop(). Minor nits. 1996-02-13 13:12:48 +00:00
mycroft 5953a056eb GC dead_nullop(). 1996-02-13 13:02:40 +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 fce3e0874f 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 18:47:48 +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