Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
51,876 Commits 606 Branches 0 Tags 3.1 GiB
e4b1b00d56
Commit Graph

1823 Commits

Author SHA1 Message Date
thorpej
04dc9a8878 Remove some code accidentally readded when Christos implement P_NOCLDWAIT. 1998-11-11 22:37:13 +00:00
thorpej
6956a57584 Initial version of API for creating kernel threads (likely to change somewhat 
in the future):
- New function, fork_kthread(), takes entry point, argument for entry point,
  and comment for new proc.  May be called by any context, will fork the
  thread from proc0 (requires slight changes to cpu_fork()).
- cpu_set_kpc() now takes a third argument, a void *arg to pass to the
  thread entry point.  Thread entry point now takes void * instead of
  struct proc *.
- Create the pagedaemon and reaper kernel threads using fork_kthread().
 1998-11-11 06:34:43 +00:00
mycroft
d4026f6eb5 GC the B_CACHE bit. 1998-11-09 01:18:34 +00:00
mycroft
36918f312f Rework cluster_rbuild() to use buffers with the file system block size. 
From Alasdair Baird.
 1998-11-08 18:18:31 +00:00
chs
61458d7dfa LOCKDEBUG enhancements for non-MP: 
keep a list of locked locks.
use this to print where the lock was locked
when we either go to sleep with a lock held
or try to free a locked lock.
 1998-11-04 06:19:55 +00:00
jonathan
3ac3cbcfb8 Add options DDB_FROMCONSOLE and sysctl ddb.fromconsole, analagous to 
DDB_ONPANIC. Lets user ignore breaks but enter DDB on panic.  Intended
for machines where debug on panic is useful, but DDB entry is not,
(public-access console, or terminal-servers which send spurious breaks)

Add new ddb hook, console_debugger(), which decides whether or not to
ignore console ddb requests. Console drivers should be updated to call
console_debugger(), not Debugger(), in response to serial-console
break or ddb keyboard sequence.
 1998-10-29 21:22:32 +00:00
mycroft
13daec0fb1 Several things: 
* Change the usage of B_DONE so that it is only set when a buffer is in sync
  with the data on disk.
* If a buffer is being waited for, don't put it on the age queue.
* Make sure to clear B_DONE when pages are stolen from a buffer.
* Make sure to clear B_CACHE after each use.
* If we find a buffer for the block we want with valid data, but it is too
  small, panic.  (This isn't supposed to happen.)
Fixes potential file corruption problems with clustering.
 1998-10-27 23:48:22 +00:00
tron
bac6bb6bf2 No need to get definition of "SYSV..." from "opt_sysv.h" because they 
must be set if these files are compiled.
 1998-10-21 22:24:28 +00:00
tron
bb56b72356 Defopt SYSVMSG, SYSVSEM and SYSVSHM. 1998-10-19 22:19:27 +00:00
tron
f87a1b6e7a 1.93:Regen. 1998-10-19 22:19:26 +00:00
tron
fe8170d1b1 Defopt SYSVMSG, SYSVSEM and SYSVSHM. 1998-10-19 22:19:26 +00:00
tron
06fb47025e 1.99:Regen. 1998-10-19 22:19:25 +00:00
tron
39876df951 Defopt SYSVMSG, SYSVSEM and SYSVSHM. 1998-10-19 22:14:54 +00:00
pk
2d45ece0e7 Allow `curproc' to be defined in <machine/proc.h> to enable a transition 
to SMP support.
 1998-10-19 11:51:53 +00:00
bouyer
bf32feec28 More >2Gb fixes, from Constantine Sapuntzakis. 1998-10-16 14:29:40 +00:00
pk
c65c55af6f Disable the daft PAUSE() macro, which manages to skip all the relevant 
code in lockmgr() most of the time. This a no doubt a case of Bad Coding Style.
 1998-10-14 09:41:21 +00:00
bouyer
91ce6daac5 Fix for files > 2Gb, one from Kirk McKusick via OpenBSD and one similar from me. 1998-10-12 09:57:48 +00:00
christos
10b5900f45 update for linux file move. 1998-10-03 20:39:32 +00:00
eeh
903d20a930 Fix big-endian syscall args. 1998-10-03 19:21:11 +00:00
drochner
835d1b736c Make contsigmask, stopsigmask, sigcantmask kernel private. 1998-10-03 14:29:02 +00:00
erh
8c963d5a04 Move elf function name macros to exec_elf.h. COMPAT_LINUX is no longer limited to ELFSIZE==32. 1998-10-01 16:06:24 +00:00
erh
a0480f4f57 Only include linux a.out makecmds if EXEC_AOUT is defined. 1998-10-01 15:55:34 +00:00
thorpej
d46253f21c Implement vsprintf(). 1998-09-29 21:03:02 +00:00
pk
25e37f3b97 In addition to the spinlock, use the lockmgr() to serialize access to 
the back-end page allocator. This allows the back-end to sleep since we
now relinquish the spin lock after acquiring the long-term lock.
 1998-09-29 18:09:29 +00:00
thorpej
ac0d359bcb Initialize the CPU ID in the simplelock. 1998-09-29 07:29:53 +00:00
thorpej
73aefe65bc If MULTIPROCESSOR, add a spin lock around the kernel printf (in the 
appropriate places).  This makes debugging messages work a LOT better
on my multiprocessor Alpha.
 1998-09-29 01:49:43 +00:00
matt
f0071e56cf Fix spl problem in socreate (which lead to the corruption of the 
socket pool).
 1998-09-25 23:32:27 +00:00
erh
3affe03bf4 Alpha Linux compat tweak for getpid, getuid and getgid. 1998-09-25 06:04:48 +00:00
thorpej
0c11d72456 Key off MULTIPROCESSOR, not NCPUS > 1. Pull in <machine/lock.h> if 
MULTIPROCESSOR is defined, and rely on it to define the simple lock
operations.
 1998-09-24 22:30:11 +00:00
thorpej
c0dd0b8353 Make sure the size is large enough to hold a pool_item. 1998-09-22 03:01:29 +00:00
enami
19031a5309 make this file compile again; the variable points signal action being 
set is `nsa' and there is no variable `sa'.
 1998-09-19 02:00:52 +00:00
christos
eb1a214078 Add NOCLDWAIT (from FreeBSD) 1998-09-18 18:48:22 +00:00
perry
5d0722b723 Note that kernel Makefile support for tags is totally broken. 1998-09-13 23:50:39 +00:00
christos
f35a4d311a Regen 1998-09-13 14:45:22 +00:00
christos
34cb71bf00 Quote the backquotes in the double-quoted shell string, otherwise they 
disappear and you get AS IS'' instead of ``AS IS'' in the generated files.
 1998-09-13 14:44:34 +00:00
thorpej
f93b23110f Regen. 1998-09-13 04:58:21 +00:00
thorpej
45431e6471 Emit syscall numbers for COMPAT_xx syscalls, too. 1998-09-13 04:57:24 +00:00
christos
34c5a58bb4 Make copyrights consistent; fix weird/trailing spaces add missing (c) etc. 1998-09-12 17:20:02 +00:00
pk
818fef1cd7 Nuke spurious pointer incrementation. 1998-09-12 13:12:14 +00:00
mycroft
b1c2e63db6 Regen. 1998-09-12 10:48:51 +00:00
mycroft
3f2c7263b1 Fix thinko in previous. 1998-09-12 10:48:27 +00:00
mycroft
584cc642fc Regen. 1998-09-12 10:33:26 +00:00
mycroft
89ea1fcbdd Version sys_sigreturn, to avoid breaking programs that use it explicitly. 1998-09-12 00:47:12 +00:00
mycroft
f384c47bc7 Regen. 1998-09-11 23:13:32 +00:00
thorpej
911fd86e93 Regen; signal changes. (mycroft must have forgotten to commit this) 1998-09-11 22:37:53 +00:00
pk
470227cc3b Check that the `current directory' is still mounted before dropping core in it. 1998-09-11 13:25:20 +00:00
mycroft
fb526e055c Substantial signal handling changes: 
* Increase the size of sigset_t to accomodate 128 signals -- adding new
  versions of sys_setprocmask(), sys_sigaction(), sys_sigpending() and
  sys_sigsuspend() to handle the changed arguments.
* Abstract the guts of sys_sigaltstack(), sys_setprocmask(), sys_sigaction(),
  sys_sigpending() and sys_sigsuspend() into separate functions, and call them
  from all the emulations rather than hard-coding everything.  (Avoids uses
  the stackgap crap for these system calls.)
* Add a new flag (p_checksig) to indicate that a process may have signals
  pending and userret() needs to do the full (slow) check.
* Eliminate SAS_ALTSTACK; it's exactly the inverse of SS_DISABLE.
* Correct emulation bugs with restoring SS_ONSTACK.
* Make the signal mask in the sigcontext always use the emulated mask format.
* Store signals internally in sigaction structures, rather than maintaining a
  bunch of little sigsets for each SA_* bit.
* Keep track of where we put the signal trampoline, rather than figuring it out
  in *_sendsig().
* Issue a warning when a non-emulated sigaction bit is observed.
* Add missing emulated signals, and a native SIGPWR (currently not used).
* Implement the `not reset when caught' semantics for relevant signals.

Note: Only code touched by the i386 port has been modified.  Other ports and
emulations need to be updated.
 1998-09-11 12:50:05 +00:00
pk
3718fc4aa7 Allow the result of an extent allocation to be congruous to an arbitrary 
number modulo the given alignment.
To do this the function extent_alloc_subregion() takes an additional `skew'
parameter.  For compatibility's sake, this function has been renamed to
extent_alloc_subregion1().
 1998-09-10 20:52:13 +00:00
dbj
aa45959106 Added uvm and ddb 1998-09-09 03:02:23 +00:00
thorpej
93ea1946f0 Implement a new kernel thread, the "reaper", which performs the task 
of freeing the VM resources once a process has exited.  A valid thread
must do this work, as doing so may block in a multi-processor environment.
 1998-09-08 23:57:58 +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
thorpej
4edbfb00a8 - Add a new proclist, deadproc, which holds dead-but-not-yet-zombie 
processes.
- Create a new data structure, the proclist_desc, which contains a
  pointer to a proclist, and eventually, a pointer to the lock for that
  proclist.  Declare a static array of proclist_descs, proclists[],
  consisting of allproc, deadproc, and zombproc.
 1998-09-08 23:47:49 +00:00
christos
9b63f5f407 Assign copyright to TNF. 1998-09-05 14:30:31 +00:00
pk
6f107350c1 Make user-mode testing work again. 1998-09-01 17:59:36 +00:00
pk
5e3bbeb1e1 Fix a case of duplicate allocation in extent_alloc_subregion() triggered 
by specifying a start address that happens to be beyond all currently
regions.
 1998-09-01 17:57:44 +00:00
thorpej
77ecf8273e Use the pool allocator and "nointr" pool page allocator for name cache entries. 
The only benefit this provides is that we don't use kmem_map to map the memory
used for name cache entries (though, this is a 13 virtual page savings on my
PPro) since vnodes are never freed (they have their own freelist).
 1998-09-01 04:33:56 +00:00
thorpej
830ea34819 Use the pool allocator and "nointr" pool page allocator for vnodes. The 
only benefit this provides is that we don't use kmem_map to map the memory
used for vnodes (though, this is a 30 virtual page savings on my PPro)
since vnodes are never freed (they have their own freelist).
 1998-09-01 03:09:14 +00:00
thorpej
8a1009afd9 Use the pool allocator and the "nointr" pool page allocator for rusage 
structures.
 1998-09-01 01:02:33 +00:00
thorpej
ad5e377513 Use the pool allocator and the "nointr" pool page allocator for tty 
structures.
 1998-09-01 00:23:28 +00:00
thorpej
3f8397855e Use the pool allocator and the "nointr" pool page allocator for pgrp 
structures.
 1998-09-01 00:08:44 +00:00
thorpej
26b8f5c4ac Use the pool allocator and "nointr" pool page allocator for file structures. 1998-08-31 23:55:37 +00:00
thorpej
a8f7175524 Use the pool allocator and "nointr" pool page allocator for pcred and 
plimit structures.
 1998-08-31 23:53:19 +00:00
thorpej
4dc0e91e12 Use the pool allocator and "nointr" pool page allocator for pcred and 
plimit structures.
 1998-08-31 23:20:16 +00:00
cgd
d58173741d kill the last remnants of __BROKEN_INDIRECT_CONFIG. (only the pica port 
used it, and it's non-working and apparently slated for replacement.)
 1998-08-31 22:28:04 +00:00
mrg
69f13c5156 minor KNF nit 1998-08-31 02:47:00 +00:00
mrg
a2dad2e1a3 err, add sparc32_exec here. must forgot it. 1998-08-31 02:46:22 +00:00
scottr
b950031b83 Fix a few comment tyops, kill an inaccurate comment, and 
do some minor KNFing.
 1998-08-30 20:30:57 +00:00
thorpej
3d5e078fe9 Use the "nointr" pool page allocator. 1998-08-28 21:20:05 +00:00
thorpej
f1f6ec6afe Add an alternate pool page allocator that can be used if the pool is 
never accessed in interrupt context.  In the UVM case, this uses the
kernel_map, to reduce usage of the previous kmem_map resource.
 1998-08-28 21:18:37 +00:00
thorpej
77d0a69569 Add a waitok boolean argument to the VM system's pool page allocator backend. 1998-08-28 20:05:48 +00:00
pk
9e744b8155 Merge Chris Torek's new `%b' bit-field format into bitmask_snprintf(). 1998-08-23 22:42:32 +00:00
ragge
b3574d3923 VAX logical page size increased to 4k. 1998-08-21 13:41:09 +00:00
thorpej
1083dcb6ca Back out previous. 1998-08-18 18:16:30 +00:00
thorpej
7cc905f5c8 Add some braces to make egcs happy (ambiguous else warning). 1998-08-18 06:27:01 +00:00
thorpej
84f8a722d2 Deal with a VERY BOGUS -Wuninitialized warning. (Again, appears to be 
__noreturn__ related)
 1998-08-18 06:26:30 +00:00
thorpej
f3d7e7e21c Add some braces to make egcs happy (ambiguous else warning). 1998-08-18 06:11:35 +00:00
thorpej
e00e495827 Add missing simple_unlock(), from Stefan Grefen, PR #5981. 1998-08-17 17:29:20 +00:00
mycroft
bf886f2029 Assign my copyrights to TNF. 1998-08-15 05:19:50 +00:00
mycroft
6d3d8a1350 Make copyright notices with my name consistent. 1998-08-15 03:02:31 +00:00
thorpej
09efdbb42d Oops, this got missed in the vm_offset_t -> vaddr_t change. 1998-08-13 19:15:33 +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
eeh
a2dd74ed79 Merge paddr_t changes into the main branch. 1998-08-13 02:10:37 +00:00
kleink
7b07ad780a Per XNS Issue 5, calling recvmsg(2) or sendmsg(2) with an msg.msg_iovlen less 
than or equal to 0 shall fail with EMSGSIZE; the latter condition was not being
checked for.  Also, document the msg.msg_iovlen > {IOV_MAX} case.
 1998-08-04 19:48:34 +00:00
kleink
c6ef57702d UIO_MAXIOV -> IOV_MAX 1998-08-04 12:19:15 +00:00
perry
275d1554aa Abolition of bcopy, ovbcopy, bcmp, and bzero, phase one. 
bcopy(x, y, z) ->  memcpy(y, x, z)
ovbcopy(x, y, z) -> memmove(y, x, z)
   bcmp(x, y, z) ->  memcmp(x, y, z)
  bzero(x, y)    ->  memset(x, 0, y)
 1998-08-04 04:03:10 +00:00
kleink
3d9b4a4320 Fix two off-by-one bugs, both present in each recvmsg(2) and sendmsg(2): 
* the first one would cause an unnecessary malloc() of iovec storage for
  a msg_iovlen of UIO_SMALLIOV although the required amount of memory has
  been allocated on the stack.
* the second one would cause a recvmsg() or sendmsg() with a msg_iovlen of
  UIO_MAXIOV to fail with EMSGSIZE, which is also a violation of XNS5.
 1998-08-03 15:15:58 +00:00
kleink
c68582d64b UIO_MAXIOV -> IOV_MAX 1998-08-03 15:01:00 +00:00
kleink
5404ba4886 Add support to query the 
* availability of POSIX Synchronized I/O (kern.synchronized_io),
* maximum number of iovec structures to be used in readv(2) etc. (kern.iov_max)
via sysctl().
 1998-08-03 14:38:20 +00:00
thorpej
85b7cfc8c3 Make sure we initialize pr_nidle. 1998-08-02 19:07:47 +00:00
kleink
b7877d3fc0 Implement support for IEEE Std 1003.1b-1993 syncronous I/O: 
* if synchronized I/O file integrity completion of read operations was
  requested, set IO_SYNC in the ioflag passed to the read vnode operator.
* if synchronized I/O data integrity completion of write operations was
  requested, set IO_DSYNC in the ioflag passed to the write vnode operator.
 1998-08-02 18:39:14 +00:00
thorpej
a4c7bab10e Use the pool allocator for sockets. 1998-08-02 04:53:11 +00:00
thorpej
0e28b643e9 Use a pool for proc structures. 1998-08-02 04:41:32 +00:00
thorpej
6f739e1a66 Fix a braino in the idle page instrumentation. 1998-08-02 04:34:46 +00:00
thorpej
7c61b8cdd8 Instrument "idle pages" (i.e. pages which have no items allocated from 
them, and could thus be freed back to the system).
 1998-08-01 23:44:20 +00:00
thorpej
3c658f1f41 Don't call the protocol drain routines if how == M_NOWAIT, which typically 
means we're in interrupt context.  Since we can be called from a network
hardware interrupt, we could corrupt the protocol queues we try to drain
them at that time.
 1998-08-01 01:47:24 +00:00
thorpej
c56c24f4fd Initialize the mbuf allocator _before_ autoconfiguration; it might be 
called when devices attach, take two.

Note that it is necessary that mbinit() NOT allocate memory, since it
is called before mb_map is created.  This is not a problem with the
pool allocator that is now used for mbufs and mbuf clusters.
 1998-08-01 01:36:35 +00:00
thorpej
e7521693c1 Use the pool allocator for mbufs and mbufs clusters (two pools, one for 
each).  Partially from pk@netbsd.org.
 1998-08-01 01:35:20 +00:00
thorpej
e8b92fa131 Oops, back out previous. I need to attack that problem differently. 1998-08-01 01:20:43 +00:00
perry
730baa7431 fix sizeofs so they comply with the KNF style guide. yes, it is pedantic. 1998-07-31 22:50:48 +00:00
thorpej
17e88cf50e Initialize the mbuf allocator _before_ autoconfiguration; it might be 
called when devices attach.
 1998-07-31 21:59:55 +00:00
thorpej
fe7696eacb Un-static pool_head; vmstat wants to find it. 1998-07-31 21:55:09 +00:00
kleink
17de9df6c1 Reject an iovcnt argument of 0 to readv(), writev(), preadv() and pwritev() 
as invalid.  This has been stated by the respective manual pages at least
since Net/2, and is the behaviour specified by XSH5.
 1998-07-31 15:38:58 +00:00
mycroft
f53fedba63 Regen. 1998-07-30 00:46:27 +00:00
mycroft
d588e17601 __Namespace__ __protection__. 1998-07-30 00:46:01 +00:00
thorpej
4b039671de When checking for overflow in the residual count, test against SSIZE_MAX. 
The read/write system calls return ssize_t because -1 is used to indicate
error, therefore the transfer size MUST be limited to SSIZE_MAX, otherwise
garbage can be returned to the user.

There is NO change from existing behavior here, only a more precise
definition of that the semantics are, except in the Alpha case, where
the full SSIZE_MAX transfer size can now be realized (ssize_t is 64-bit
on the Alpha).
 1998-07-29 02:07:19 +00:00
thorpej
6326c90134 Change the "aresid" argument of vn_rdwr() from an int * to a size_t *, 
to match the new uio_resid type.
 1998-07-28 18:37:47 +00:00
thorpej
e95c22ee96 Don't cast the null residual pointer passed to vn_rdwr(). 1998-07-28 18:17:34 +00:00
thorpej
80e25bcca0 Don't cast the null residual pointer passed to vn_rdwr(). 1998-07-28 18:11:39 +00:00
thorpej
939279f988 When checking for overflow in the residual count, test against SSIZE_MAX. 
The read/write system calls return ssize_t because -1 is used to indicate
error, therefore the transfer size MUST be limited to SSIZE_MAX, otherwise
garbage can be returned to the user.

There is NO change from existing behavior here, only a more precise
definition of that the semantics are, except in the Alpha case, where
the full SSIZE_MAX transfer size can now be realized (ssize_t is 64-bit
on the Alpha).
 1998-07-28 17:58:29 +00:00
thorpej
bf51a1d137 uvm_deallocate() takes an address and a size, not an address range. From 
ITOH Yasufumi <yasufu-i@is.aist-nara.ac.jp>, PR #5834.
 1998-07-24 20:47:59 +00:00
thorpej
fc4828b0b4 A few small changes to how pool pages are allocated/freed: 
- If either an alloc or release function is provided, make sure both are
  provided, otherwise panic, as this is a fatal error.
- If using the default allocator, default the pool pagesz to PAGE_SIZE,
  since that is the granularity of the default allocator's mechanism.
- In the default allocator, use new functions:
	uvm_km_alloc_poolpage()/uvm_km_free_poolpage(), or
	kmem_alloc_poolpage()/kmem_free_poolpage()
  rather than doing it here.  These functions may use pmap hooks to
  provide alternate methods of mapping pool pages.
 1998-07-24 20:19:23 +00:00
sommerfe
1c2f0a15fd Don't create the extent region pool until one of our callers is of the 
opinion that it's safe to call malloc.
 1998-07-24 06:40:45 +00:00
pk
4e465abf3f Use a memory pool instead of malloc to allocate region descriptors. 1998-07-23 20:57:17 +00:00
pk
e32923a128 Re-vamped pool manager. 
* support for customized memory supplier
	* automatic page reclaim by VM system
	* time-based hysteresis
	* cache coloring (after Bonwick's "slabs")
 1998-07-23 20:34:00 +00:00
lukem
786b86d71b use AF_LOCAL instead of AF_UNIX 1998-07-18 05:04:35 +00:00
thorpej
4c50a37133 Back out previous, I botched something. 1998-07-16 00:46:50 +00:00
pk
3036bcf8e5 Close a descriptor leak. This proved especially detrimental under heavy 
paging.
 1998-07-15 12:38:29 +00:00
thorpej
b20c7bf68c For SOCK_STREAM, provide the socket credentials to the accepter as soon as 
the client connects.
 1998-07-10 22:15:47 +00:00
jonathan
b37021c1a1 defopt NATM. 1998-07-05 22:48:05 +00:00
jonathan
d275e56dee * defopt COMPAT_{09,10,11,12,13} and COMPAT_NOMID. 
TODO: revisit interaction between native compat and emul compat usage.
 1998-07-05 08:49:30 +00:00
jonathan
011f2bda08 defopt NS, NSIP. 1998-07-05 06:49:00 +00:00
jonathan
5c0c5dd0b4 defopt ISO TPIP. 1998-07-05 04:37:35 +00:00
jonathan
8db0fcdbf7 defopt CCITT. 1998-07-05 02:12:22 +00:00
jonathan
3751946b97 defopt INET, NETATALK. 1998-07-05 00:51:04 +00:00
jonathan
466e784ee1 defopt DDB. 1998-07-04 22:18:13 +00:00
thorpej
e5f49cece3 Regen: pad off_t args in pread/pwrite/preadv/pwritev. 1998-07-02 01:24:24 +00:00
thorpej
d4e618b3a5 Argh, pad the off_t args in pread/pwrite/preadv/pwritev. System call 
numbers don't change since the window of brokenness was so small (1 day).
 1998-07-02 01:23:33 +00:00
thorpej
bc799897fc Implement pread(2), pwrite(2), preadv(2), and pwritev(2). 1998-06-30 19:36:24 +00:00
thorpej
1f37d1d569 Regen: added pread(2), pwrite(2), preadv(2), pwritev(2). 1998-06-30 19:34:20 +00:00
thorpej
f0dda0d383 Add positional read and write system calls: 
- pread() (#173) and pwrite() (#174), which are defined by XPG4.2.  System
  call numbers match Solaris.
- preadv() (#289) and pwritev() (#290), which are the positional cousins
  of readv() and writev(), but not defined by any standard.
 1998-06-30 19:33:11 +00:00
thorpej
b6781dbaa2 Split up read/readv/write/writev into the system call front-end and 
the guts that actually perform the I/O request.
 1998-06-30 07:39:22 +00:00
thorpej
a4a34ba74a Add two additional arguments to the fileops read and write calls, a 
pointer to the offset to use, and a flags word.  Define a flag that
specifies whether or not to update the offset passed by reference.
 1998-06-30 05:33:11 +00:00
nathanw
30cbf42b77 Implement short corefile name support, controlled by options SHORTCORENAME 
and sysctl kern.shortcorename.

Closes PR kern/5191.
 1998-06-28 21:34:58 +00:00
thorpej
816e12eac2 defopt COMPAT_SVR4 1998-06-26 00:07:06 +00:00
thorpej
37b378d836 defopt COMPAT_HPUX 1998-06-25 23:56:39 +00:00
thorpej
8aee7782f5 defopt COMPAT_SUNOS 1998-06-25 23:40:33 +00:00
thorpej
311bac3348 defopt COMPAT_IBCS2 1998-06-25 23:22:37 +00:00
thorpej
c466f11939 defopt COMPAT_LINUX 1998-06-25 23:18:23 +00:00
thorpej
1a2cb1b9d4 defopt COMPAT_FREEBSD 1998-06-25 22:49:18 +00:00
thorpej
6b781d156f defopt NFSSERVER 1998-06-25 22:17:36 +00:00
thorpej
23e23646da Regen: defopt NFSSERVER 1998-06-25 22:17:21 +00:00
thorpej
d87e6c2b0e defopt NFSSERVER 1998-06-25 22:16:01 +00:00
thorpej
808867c7cf defopt KTRACE 1998-06-25 21:17:15 +00:00
thorpej
5b5a9f45a5 Regen: defopt KTRACE 1998-06-25 21:16:58 +00:00
thorpej
d6289815b4 defopt KTRACE 1998-06-25 21:15:35 +00:00
sommerfe
7ba7fbbb23 Always include fifos; "not an option any more". 1998-06-24 20:58:44 +00:00
sommerfe
becaafeea0 defopt for options FIFO 1998-06-22 22:00:59 +00:00
thorpej
387a1c5d41 Implement config_defer(), a generic mechanism to defer the configuration 
of a device until all of its parent's children have been attached.
 1998-06-09 18:46:12 +00:00
kleink
636443752e Nuke a couple of non-local prototypes which are already declared in either 
<sys/buf.h>, <sys/mount.h> or <sys/vnode.h>.
 1998-06-08 15:52:07 +00:00
thorpej
618c279d16 Add fine-grained locking. Still one refinement to make, which will be 
done in a separate commit.
 1998-06-06 02:25:46 +00:00
kleink
4648a78bba Regen: addition of fdatasync(). 1998-06-05 20:36:53 +00:00
kleink
e9d6f5e996 Per IEEE Std 1003.1b-1993, implement the fdatasync() system call which is 
identical to fsync() with the expecption of not being required to synchronize
file status information.
 1998-06-05 20:31:36 +00:00
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
b5a587ab63 Regen: fsync argument change. 1998-06-05 19:41:21 +00:00
kleink
c77a008cc2 Replace the waitfor' argument to the fsync vnode operator with a flags' 
argument.
 1998-06-05 19:38:56 +00:00
kleink
4c3bf73d01 Regen: mlock() and munlock() prototype changes. 1998-05-30 22:23:30 +00:00
kleink
bb7e6a0bdd Per XSH98, const'ify the `addr' arguments to mlock() and munlock(). 1998-05-30 22:21:03 +00:00
kleink
2a4b2482f5 Permit checking the availability of the POSIX File Synchronization Option 
(a/k/a fsync(2)), System V style message queues, semaphores and shared memory
at runtime by adding a sysctl variable for each.
 1998-05-24 19:52:01 +00:00
matt
b2c24dbcbe Add an if_drain to the ifnet structure (call when the system is low 
on mbufs).  Add code to m_reclaim to call if_drain in each ifnet
that has one set.  Remove register from declarations.
 1998-05-22 17:47:21 +00:00
thorpej
ad7a87400a defopt LOCKDEBUG 1998-05-20 01:32:29 +00:00
pk
d0e85dde99 Inline vref/vrele in vclean() because: 
* we already have the vnode interlock, so vref() should not ask for it again.
* we call VOP_RECLAIM/VOP_INACTIVE(), which shouldn't be duplicated in vrele().
 1998-05-18 14:59:49 +00:00
pk
addb5d9572 VOP_CLOSE() takes F* flags, not IO_* flags. 1998-05-08 21:02:35 +00:00
kleink
fe2d01988e Fix some arithmetics lossage on typeless pointers. 1998-05-08 18:18:55 +00:00
kleink
bd6d376a49 Various SysV IPC prototype changes. 1998-05-07 18:00:49 +00:00
kleink
fb27bb18d3 Regen: various SysV IPC prototype changes. 1998-05-07 17:24:30 +00:00
kleink
e3611654cd Several SYSV IPC prototype changes. 1998-05-07 17:08:42 +00:00
enami
9ad895e33c Backout previous issignal() change so that gdb can trace a process 
which has subprocess again; the lite2 change conflicts our local change.
 1998-05-07 00:45:16 +00:00
thorpej
7f21dfafc1 Add monotonically increasing "current time" stamps for pfslowtimo() and 
pffasttimo().
 1998-05-06 01:11:46 +00:00
christos
1efd649b47 Regen 1998-05-02 18:34:13 +00:00
christos
02cecf686a New fktrace syscall from Darren Reed [with fixes from me] 1998-05-02 18:33:19 +00:00
thorpej
73863dd3c9 Pass vslock() and vsunlock() a proc *, rather than implicitly operating 
on curproc.
 1998-04-30 06:28:57 +00:00
mycroft
f327fee4ca Fix KTROP_CLEARFILE so it does the same thing as KTROP_CLEAR (i.e. vrele() 
rather than vn_close()).  Fixes PR 5357.
 1998-04-28 22:27:22 +00:00
kleink
82eb51ee05 In soshutdown(), decouple the evaluation of the `how' argument from FREAD 
and FWRITE; use SHUT_{RD,WR,RDWR} instead.
Also, return EINVAL if `how' is invalid.
 1998-04-27 13:31:45 +00:00
thorpej
7a239c12c6 In vfs_unmountall(), if curproc is NULL, abort, because unmounting 
puts the requesting process to sleep until the file systems buffers
have flushed, and sleeping with a NULL curproc will cause a fault.
 1998-04-26 19:10:33 +00:00
thorpej
cbc64bb02d Make vfs_shutdown() look a little nicer. 1998-04-26 18:58:54 +00:00
mycroft
359fa37f9a Fix a condition where we might erroneously write out a buffer with garbage 
left in it.
Fixes PR 5354.
 1998-04-26 14:45:23 +00:00
matthias
818f5df269 new command "config" to set type (for c), constraint and printmodifier. 1998-04-25 19:48:27 +00:00
matt
754c43dcfc Hook for 0-copy (or other optimized) sends and receives 1998-04-25 17:35:18 +00:00
jonathan
6c0abe64fc defopt NTP and PPS_SYNC, in preparation for adding PPS support. 1998-04-22 07:08:11 +00:00
thorpej
2018d40811 Allocate kernel virtual address space for the U-area before allocating 
the new proc structure when performing a fork.  This makes it much
easier to abort a fork operation and return an error if we run out
of KVA space.

The U-area pages are still wired down in {,u}vm_fork(), as before.
 1998-04-09 00:23:38 +00:00
mycroft
ca63148e3d Oops; forgot to update prototype. 1998-03-30 06:18:05 +00:00
mycroft
f1ed6cae04 Argument to main() is no longer used. 1998-03-30 06:15:44 +00:00
mrg
af54a244f4 add missing int to typedef 1998-03-30 02:32:38 +00:00
mrg
f0fc5e8ca7 remove register from decl. 1998-03-29 05:19:43 +00:00
kleink
5d9a1f3207 Regen: syscalls.master changed. 1998-03-27 13:09:52 +00:00
kleink
3a1500efe9 Per X/Open CAE Spec Issue 5 Version 2, change the buffer size argument of 
readlink() from type `int' to type `size_t'.  This isn't an ABI change, since
the calling convention of our only LP64 platform (the Alpha) already promotes
this argument to a `long'.

This may not be the final action on this matter; readlink() still returns
an `int', which may change in a future revision of the standard.
 1998-03-27 13:02:20 +00:00
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