Commit Graph

2706 Commits

Author SHA1 Message Date
Poul-Henning Kamp
a9e0361b4a Introduce the new function
p_trespass(struct proc *p1, struct proc *p2)
which returns zero or an errno depending on the legality of p1 trespassing
on p2.

Replace kern_sig.c:CANSIGNAL() with call to p_trespass() and one
extra signal related check.

Replace procfs.h:CHECKIO() macros with calls to p_trespass().

Only show command lines to process which can trespass on the target
process.
1999-11-21 19:03:20 +00:00
Poul-Henning Kamp
da654d9070 s/p_cred->pc_ucred/p_ucred/g 1999-11-21 12:38:21 +00:00
Mike Smith
b3be35ee5e If vfs_mountroot_try() isn't given a path to try mounting, return a silent
error rather than complaining about it verbosely.  No path is not really
a failure, but the diagnostic was confusing and unuseful.
1999-11-21 08:05:50 +00:00
Peter Wemm
95dc37f68d Tempt fate and stop index from converting a const char * into a char *.
I've made a seperate version (c_index() etc) that use const/const, but
I'm not sure it's worth it considering there is one file in the tree
that uses index on const strings (kern_linker.c) and it's easily adjusted
to scan the strings directly (and is perhaps more efficient that way).
1999-11-21 04:26:48 +00:00
Jordan K. Hubbard
87d643ce34 Revert peter's commit to remove cdevsw_add() - it was a bit premature
since things fail to function properly without it (pty allocation becomes
somewhat haphazard).
1999-11-21 02:54:54 +00:00
Poul-Henning Kamp
0429e37ade struct mountlist and struct mount.mnt_list have no business being
a CIRCLEQ.  Change them to TAILQ_HEAD and TAILQ_ENTRY respectively.

This removes ugly  mp != (void*)&mountlist  comparisons.

Requested by:   phk
Submitted by:   Jake Burkholder jake@checker.org
PR:             14967
1999-11-20 10:00:46 +00:00
Boris Popov
a3021f91e3 Vnode was left referenced in the case if ELF image is broken.
Reviewed by:	Peter Wemm <peter@netplex.com.au>
1999-11-20 03:03:14 +00:00
Jordan K. Hubbard
8d67e113dc Conditionalise unwanted chattyness. 1999-11-19 23:34:01 +00:00
Poul-Henning Kamp
93efcae809 The at_exit and at_fork functions currently use a 'roll your own'
linked list to store the callbak routines.  The patch converts the
lists to queue(3) TAILQs, making the code slightly clearer and ensuring
that callbacks are executed in FIFO order.

Man page also updated as necesary.

(discontinued use of M_TEMP malloc type while here anyway /phk)

Submitted by:   Jake Burkholder jake@checker.org
PR:             14912
1999-11-19 21:29:03 +00:00
Brian Somers
9ed3b901be Cop on a bit and regenerate things correctly.
Pointed out by:	bde
1999-11-18 20:45:04 +00:00
Matthew Dillon
91921bd597 Ensure that garbage from the kernel stack does not wind up being
returned to user mode in the spare fields of the stat structure.

PR:		kern/14966
Reviewed by:	dillon@freebsd.org
Submitted by:	Kelly Yancey kbyanc@posi.net
1999-11-18 08:14:20 +00:00
Matthew Dillon
151f7a5d8a Only bother converting the stat structure if we intend to return it,
when no error occurs.

PR:		kern/14966
Reviewed by:	dillon@freebsd.org
Submitted by:	Kelly Yancey kbyanc@posi.net
1999-11-18 08:08:28 +00:00
Peter Wemm
e79f2d5bfc Remove cdevsw_add() as the make_dev()'s are done in a clone-like fashion.
(ie: the next device is created with make_dev as the first is opened
and so on)
1999-11-18 06:41:30 +00:00
Peter Wemm
e92f63a277 Remove cdevsw_add() - the make_dev() calls are already there.
Don't '#if NSNP > 0' around the thing as it's silly and not required.
config(8) only causes it to be compiled if NSNP is > 0 by definition.
1999-11-18 06:39:47 +00:00
Peter Wemm
7fb0a8412a Remove cdevsw_add() - the necessary make_dev() is already there. 1999-11-18 06:37:00 +00:00
Peter Wemm
2c77a71d3d Remove cdevsw_add() - the necessary make_dev() calls appear to be there
already.
1999-11-18 06:34:47 +00:00
Peter Wemm
eed9fd425d Fix a warning. 1999-11-18 06:29:57 +00:00
Peter Wemm
efa726dd8f 'const'ify a bunch of pointers in the resource_*() functions for accessing
the config hint tables.  This fixes a few warnings elsewhere (eg: fd).
1999-11-18 06:05:30 +00:00
Brian Somers
b08210f5fa modfind(char *) -> modfind(const char *)
Reminded by:	dfr
1999-11-17 21:32:40 +00:00
Peter Wemm
e29e202c41 Add e_stats (p->p_stats, from struct user->u_stats) to eproc so it's
fetchable via sysctl.  This saves ps having to read the u-area for stats.
Be sure to recompile libkvm, ps, w, top and the usual suspects.
1999-11-17 12:49:22 +00:00
Poul-Henning Kamp
b9df5231ca Introduce commandline caching in the kernel.
This fixes some nasty procfs problems for SMP, makes ps(1) run much faster,
and makes ps(1) even less dependent on /proc which will aid chroot and
jails alike.

To disable this facility and revert to previous behaviour:
        sysctl -w kern.ps_arg_cache_limit=0

For full details see the current@FreeBSD.org mail-archives.
1999-11-16 20:31:58 +00:00
Poul-Henning Kamp
1b7277516b Commit the remaining part of PR14914:
Alot of the code in sys/kern directly accesses the *Q_HEAD and *Q_ENTRY
   structures for list operations.  This patch makes all list operations
   in sys/kern use the queue(3) macros, rather than directly accessing the
   *Q_{HEAD,ENTRY} structures.

Reviewed by:    phk
Submitted by:   Jake Burkholder <jake@checker.org>
PR:     14914
1999-11-16 16:28:58 +00:00
Poul-Henning Kamp
2e3c8fcbd0 This is a partial commit of the patch from PR 14914:
Alot of the code in sys/kern directly accesses the *Q_HEAD and *Q_ENTRY
   structures for list operations.  This patch makes all list operations
   in sys/kern use the queue(3) macros, rather than directly accessing the
   *Q_{HEAD,ENTRY} structures.

This batch of changes compile to the same object files.

Reviewed by:    phk
Submitted by:   Jake Burkholder <jake@checker.org>
PR:     14914
1999-11-16 10:56:05 +00:00
Marcel Moolenaar
0917704bd4 ${MACHINE} -> ${MACHINE_ARCH}
All Makefiles now use MACHINE_ARCH for the target architecture.
Unification is required for cross-building.

Tags added to:
	sys/boot/Makefile
	sys/boot/arc/loader/Makefile
	sys/kern/Makefile
	usr.bin/cpp/Makefile
	usr.bin/gcore/Makefile
	usr.bin/truss/Makefile

usr.bin/gcore/Makefile:
	fixed typo: MACHINDE -> MACHINE_ARCH
1999-11-14 13:54:44 +00:00
Eivind Eklund
dd8c04f4c7 Remove WILLRELE from VOP_SYMLINK
Note: Previous commit to these files (except coda_vnops and devfs_vnops)
that claimed to remove WILLRELE from VOP_RENAME actually removed it from
VOP_MKNOD.
1999-11-13 20:58:17 +00:00
Eivind Eklund
020024f3d2 Fix style bugs from last commit 1999-11-13 14:35:50 +00:00
Eivind Eklund
edfe736df9 Remove WILLRELE from VOP_RENAME 1999-11-12 03:34:28 +00:00
Alan Cox
99c9d3490b Correct a locking error in apause: It should always hold
the simple lock when it returns.

Also, eliminate spinning on a uniprocessor.  It's pointless.

Submitted by:	bde,
		Assar Westerlund <assar@sics.se>
1999-11-11 03:02:03 +00:00
Doug Rabson
c29ab9feec Fix a warning. 1999-11-09 21:35:10 +00:00
Poul-Henning Kamp
698f9cf828 Next step in the device cleanup process.
Correctly lock vnodes when calling VOP_OPEN() from filesystem mount code.

Unify spec_open() for bdev and cdev cases.

Remove the disabled bdev specific read/write code.
1999-11-09 14:15:33 +00:00
Alan Cox
b561683329 Passing "0" or "FALSE" as the fourth argument to vm_fault is wrong. It
should be "VM_FAULT_NORMAL".
1999-11-09 01:44:28 +00:00
Poul-Henning Kamp
9c111b31ce A little bit of nitpicking in the 'syncing disks...' end of a shutdown. 1999-11-08 19:36:45 +00:00
Poul-Henning Kamp
325f13989b Ignore leading 'r' in base of root device name. 1999-11-08 11:44:51 +00:00
Peter Wemm
900942ba53 Zap devsw_module_handler(). 1999-11-08 08:10:00 +00:00
Poul-Henning Kamp
44d1184e81 Rename remove_dev() to destroy_dev().
Nagged about by:        msmith
1999-11-08 07:44:01 +00:00
Peter Wemm
845ccef4b8 A hack basically.. We have a bunch of code that used to call
devsw_module_handler() indirectly and not use the chain arguments.  To
eliminate this indirection via that function (which does nothing now)
without duplicating a modevent handler into all the routines that don't
presently have one, supply a NOP (do nothing, return OK) routine which
is functionally equivalent to what's there now.  This is a hack and is
still wrong, because there doesn't appear to be anything to reclaim
resources on an unload of a module with one of these in it.  I'm not
sure whether to make the NOP handler refuse a MOD_UNLOAD event or what.
1999-11-08 06:53:30 +00:00
Peter Wemm
b127fae405 Add a vnode fo_stat() entry point. 1999-11-08 03:32:15 +00:00
Peter Wemm
0ba80ba6a1 Update socket file type for fo_stat(). soo_stat() becomes a fileops
switch entry point rather than being used externally with knowledge of the
internals of the DTYPE_SOCKET f_data contents.
1999-11-08 03:31:01 +00:00
Peter Wemm
29e040e5c1 Update pipe code for fo_stat() entry point - pipe_stat() is now no longer
used outside the pipe code.
1999-11-08 03:28:49 +00:00
Peter Wemm
cf87559cab Use fo_stat() rather than duplicating knowledge of file type internals
in here for stat(2) and friends.  Update the badops entries accordingly.
1999-11-08 03:27:14 +00:00
Poul-Henning Kamp
0c974a1f16 Make vop_panic() a little more informative. 1999-11-07 15:09:49 +00:00
Poul-Henning Kamp
008626c39e Simplify and de-bogotify check for raw disk. 1999-11-07 13:09:09 +00:00
Poul-Henning Kamp
d53dedee55 Remove the devsw magic from DEV_MODULE() 1999-11-07 10:01:17 +00:00
Brian Feldman
d91e41c8c9 Fix the advisory file locking by restoring previous ordering in closef()/
fdrop().  This only showed up when a file descriptor was duplicated
and then closed once, where the lock would be released on the first close().
1999-11-07 05:58:38 +00:00
Matt Jacob
c1dc94eeb5 add in actual getenv_quad function 1999-11-07 01:10:30 +00:00
Poul-Henning Kamp
8db34b3a11 Put a lock on the disk structure while we open to avoid races.
PR:		14486
1999-11-06 10:25:58 +00:00
Mike Smith
91eef0b873 Clean up a couple of initialisations in order to suppress a correct
but un-useful warning.
1999-11-06 07:43:22 +00:00
Mike Smith
c161a8754f Guard against freeing NULL if vfs_mountroot_try is called with NULL
as an argument (this is legal to make other code simpler).
1999-11-05 19:28:07 +00:00
Mike Smith
7a0beaf12d Expand the sscanf buffer to 32 bytes to make room for the expanded
pattern, with some space left over to avoid this mistake next time it's
improved.

Submitted by:	luoqi
1999-11-05 02:45:50 +00:00
Mike Smith
586aaa0f6b Allow vfs names to include the digits 0-9 as well as the letters a-z.
This should let 'cd9660' filesystems be allowed.

Submitted by:	ghelmer
1999-11-04 17:48:11 +00:00