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1217 Commits

Author SHA1 Message Date
mjacob f67d760363 Ancient...needed a slight amount of fixing. 1997-05-04 01:54:24 +00:00
kleink 29c5707479 * Make chown()/fchown() use a piece of common code to set ownership. 
* Setting the ownership of a file now implies clearing its set-{group,user}-id
  bits.
 1997-04-30 19:29:43 +00:00
mycroft 103c7d360d Oops; forgot to GC the last mbuf allocated when out of clusters. 1997-04-28 17:03:58 +00:00
mycroft 2b65c6c346 Delay turning off P_TRACED until the process is actually waited on. It can't 
have any signals delivered while exiting, so this should be okay.  Change the
test for a traced process in wait4() to exclude a process that was started by
the debugger; in this case, only one SIGCHLD should be delivered.
 1997-04-28 13:17:05 +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 43a0dc8b74 Remove remnants of P_FSTRACE, which is no longer used. 1997-04-28 02:51:41 +00:00
mycroft ead5e1a6f7 When stopping a process being traced through procfs, wake up the *parent* (in 
case it happens to be doing a WAIT.
 1997-04-28 02:36:05 +00:00
mycroft e725c03060 When checking for init, compare against initproc, rather than comparing the 
PID.  No functional difference.
 1997-04-28 02:29:52 +00:00
tls 3a98883bd3 Don't allow the time to be set backwards if in highly secure mode, since this would allow inode change times to be manipulated. 1997-04-26 21:22:57 +00:00
mycroft c32418bf82 Fix error in vfs_hang_addrlist() that caused file systems to be exported 
to more subnets than expected when using netmasks.  From Mike Hibler.
 1997-04-25 02:43:10 +00:00
mycroft 9da4efe896 If we fail to allocate a cluster to hold a large packet, simply 
drop it rather than using a chain of tiny mbufs.
 1997-04-24 08:14:04 +00:00
mycroft 5e62a0725b Change previous test slightly. 1997-04-23 20:19:45 +00:00
mycroft b34794e10f Do not return success when checking for execute permission by super-user and no 
execute bits are set.  Also, this test is no longer needed in execve(2).
 1997-04-23 20:18:16 +00:00
mycroft 1cf91041df Nuke the old COMPAT_09 truncation of UIDs, GIDs, process and process group IDs. 1997-04-23 18:59:53 +00:00
jtc 2114c082ae In nanosleep, use local error variable when storing rqtp in so that 
an error from a failed tsleep will still be returned to the caller.
 1997-04-21 16:56:54 +00:00
thorpej 5ca650f210 XXX Kludge for PowerPC; needs a kernel vfprintf(). 1997-04-17 00:06:28 +00:00
jtc c9b0c57620 Add POSIX.1b nanosleep(). 1997-04-16 14:41:28 +00:00
kleink e490ffb5cc Addendum to last commit: "simplify" usage of a vnode pointer. 1997-04-11 22:08:28 +00:00
kleink 589549e022 Use VOP_SEEK() in lseek(2). 1997-04-11 22:03:58 +00:00
jtk a817214f5f make it compile with -DLOCKF_DEBUG 1997-04-10 23:46:18 +00:00
kleink cb9c71d716 Back out last change: just return EACCESS for any non-VREG file. 
Fixes PR/3472 from Matthias Pfaller.
 1997-04-10 19:45:40 +00:00
cgd 319b64a8f7 Internalize and externalize file descriptors being passed via local domain 
socket control messages correctly, without assuming that sizeof(int) ==
sizeof(pointer).  Fixes PR#3183.
 1997-04-10 01:51:21 +00:00
kleink 116d655640 Back out POSIX.1 conformance change to lseek(2); this will be attended to 
in a different way.
 1997-04-09 23:26:06 +00:00
mycroft 6911ff7d13 Fix two performance issues: 
* When a delayed write buffer falls off the LRU queue, arrange for it to go on
  the AGE queue after being flushed out to disk.
* When a delayed write buffer is synced, leave it in its relative position in
  the LRU queue.
 1997-04-09 21:12:10 +00:00
kleink 513465cc2c Added a sanity check to the force-directory routine, as the CREATE and 
RENAME namei() operations may succeed without returning a vnode.
 1997-04-08 16:11:48 +00:00
kleink 43bd8d5456 POSIX.1 changes to namei(): 
(1) "" no longer refers to the current working directory;
	    looking this up will now result in ENOENT.

	(2) by stripping off trailing slashes and setting a `forcedir'
	    flag, make code such as {  mkdir("dir", m); rmdir("dir/"); }
	    actually work.
 1997-04-08 10:11:55 +00:00
kleink a0dca5145e Fix a CRNL/NLCR botch I made after looking this up in the X/Open spec. 
Fixes PR 3453; from John Kohl and Enami Tsugutomo.
 1997-04-07 16:09:28 +00:00
kleink 9300dedf8e Back out last change to rename(2) until a sane solution for the coexistence 
of both BSD and POSIX semantics is available.
 1997-04-07 00:04:16 +00:00
kleink 4256cf1898 Add some clarification about the TTBREAKC macro's purpose; suggested by 
Chris G. Demetriou.
 1997-04-06 14:44:44 +00:00
cgd c65f7b2d9a fix missing parenthesis in TTBREAKC() 1997-04-06 08:15:17 +00:00
kleink dbf70fddf5 If TOSTOP is set, and the process group of the writing process is orphaned, 
and the writing process is not ignoring or blocking SIGTTOU, do not signal
the process but return EIO.
 1997-04-05 21:40:34 +00:00
kleink c028733220 Recognize EOL2 as a delimiter/"break" character only if IEXTEN is set. 1997-04-05 19:50:18 +00:00
mycroft c4cd861045 Remove unintended piece of last change. 1997-04-04 21:05:00 +00:00
mycroft 00f128b69f Fix several bugs related to MDMBUF. Also, remove the partial handling from 
ttymodem(); it's not complete, it's better done in the driver, and only the
com driver ever supported it anyway.
 1997-04-04 21:02:28 +00:00
kleink 4d65b07afa As specified in POSIX.1 (and termios(4)!), when cc[VMIN]==0 a read() shall 
be satisfied by any amount of data actually read.
 1997-04-04 15:10:34 +00:00
christos 8810289c14 Add netatalk domain. 1997-04-04 14:22:21 +00:00
kleink 9d8538dd8b Changed lseek(2): return EINVAL upon attempt to seek to negative offset. 1997-04-04 13:57:06 +00:00
kleink 50ccaeca39 Converted rename(2) to proper POSIX.1 behavior: if "from" and "to" 
are links to the same file, do nothing. This also eliminates the
previous (and incorrect) check, which was far more complicated.
 1997-04-04 13:32:48 +00:00
kleink 5ec0772a62 In checkalias(), initialize the speclockf structure member invented 
with the specfs advisory locking support; this could cause a panic.
 1997-04-03 23:15:52 +00:00
kleink c9c13ef470 Changed killpg1() to 'succeed' even if a process group consists of 
SZOMB processes only; the POSIX.1 definition of a background process
group implies that kill(2)ing such a process group must succeed.
 1997-04-03 21:08:27 +00:00
kleink 080aeda54f WERASE, REPRINT, STATUS and DSUSP are extensions to the POSIX.1 GTI 
set of special characters: recognize them only if IEXTEN is set.
 1997-04-03 14:24:45 +00:00
kleink b27b6da672 It's STRIPDISC, not STRIPIPDISC. 1997-04-03 00:54:19 +00:00
kleink 64f12ae12a Moved the `unlocking a lock-free inode' shortcut behind 
the l_whence and starting offset sanity checks.
 1997-04-02 18:42:46 +00:00
kleink 5610f6e774 Like in F_SETLK, check if F_GETLK is actually called with a 
valid lock type.
 1997-04-02 18:22:32 +00:00
kleink 2da2c50987 KNF glitch in last commit, pointed out by Chris G. Demetriou. 1997-04-02 03:23:01 +00:00
kleink 6b58679ffa Implement OCRNL "\r" -> "\n" tty output translation. 
Fixes PR standards/3434.
 1997-04-02 03:10:51 +00:00
christos ee29ff37a9 PR/3396: Klaus Klein: If CREAD is not set drop incoming data. 1997-03-29 23:26:27 +00:00
thorpej 2a4b742e6a Update and enhancement to the mbuf code, to support use of non-cluster 
external storage.  Highlights:

	- additional "void *" argument to (*ext_free)(), an opaque
	  cookie for use by the free function.
	- MCLALLOC() and MCLFREE() calls are gone.  They are replaced
	  by MEXTADD() (add external storage to mbuf), MEXTMALLOC()
	  (malloc() external storage and attach to mbuf), and
	  MEXTREMOVE() (remove external storage from mbuf).
	- completely new external storage reference counting
	  mechanism; mclrefcnt[] is gone.

These changes will eventually be used to pass driver DMA buffers up
the network stack, and reduce/eliminate copies in certain code paths
(e.g. NFS writes).

From Matt Thomas <matt@3am-software.com> and myself <thorpej@nas.nasa.gov>,
with some input from Chris Demetriou <cgd@cs.cmu.edu> and review by
Charles Hannum <mycroft@mit.edu>.
 1997-03-27 20:33:07 +00:00
mikel 4ab6dc7d2e allow examination of SIGKILL and SIGSTOP signal handlers (but still 
disallow changes); from Klaus Klein in PR standards/3398.
 1997-03-27 07:52:25 +00:00
mikel 19fd4b60de make setpgid(pid, pgrp) return EINVAL if pgrp < 0 as required by POSIX.1; 
from Klaus Klein in PR standards/3395.
 1997-03-27 06:14:03 +00:00