Commit graph

369 commits

Author SHA1 Message Date
Philip Homburg
4b1cd8c0ec Return EIO if a filedescriptor cannot be re-opened after a driver restart.
Select now returns such a filedescriptor as ready (instead of EBADF). 
Reply before dev_up in FSSIGNON to avoid the problem that a DEV_OPEN
request is received by a driver that expects a reply from the FSSIGNON.
2007-08-15 12:53:52 +00:00
Philip Homburg
90fde6e97d cleanup 2007-08-10 13:02:39 +00:00
Philip Homburg
06e1f0da61 Better recovery when req_readsuper fails. 2007-08-10 13:01:38 +00:00
Philip Homburg
57c6f099f2 Removed old debug code. 2007-08-08 15:27:07 +00:00
Philip Homburg
e2f06e7c89 Directory check before access check. 2007-08-08 15:26:47 +00:00
Philip Homburg
a116b3aa55 To return the right error, check first is an object is a directory (for
mkdir, rmdir/unlink, mknod), simply pipe code by using v_pipe_rd_pos and
v_pipe_wr_pos directly. Some cleanup work in open.c
2007-08-08 14:01:36 +00:00
Philip Homburg
c2bf536a55 Disable POSIX-required behavior wrt trailing slashes. 2007-08-08 11:40:47 +00:00
Philip Homburg
d232b2ef42 Removed invalid consistency check. 2007-08-07 14:27:19 +00:00
Philip Homburg
9c51f0b92a O_EXCL check went missing. 2007-08-07 14:26:56 +00:00
Philip Homburg
d01d630727 include "../vfs/dmap.h". 2007-08-07 13:26:25 +00:00
Philip Homburg
1b883a3613 Removed references to stacktrace. 2007-08-07 13:21:55 +00:00
Philip Homburg
a318cd291f Somehow request.c got garbled. 2007-08-07 13:12:27 +00:00
Philip Homburg
f46319037b New VFS interface 2007-08-07 12:52:47 +00:00
Philip Homburg
2ca2b86a3a Added new interface to VFS. 2007-08-07 12:38:35 +00:00
Philip Homburg
a81e82b3da Tell the kernel about the new boottime and don't tell VFS.
Tell DS about all processes in the boot image. PM_STIME is removed.
Diagnostic for calls to do_getprocnr (DS should be used to get endpoints).
2007-08-07 12:28:42 +00:00
Philip Homburg
fd151245e9 Removed sigaction call. PM tries to talk to DS. DS should not talk to PM. 2007-08-07 12:25:21 +00:00
Philip Homburg
1f04287b3f Removed dmap table. Publish endpoint in DS before calling mapdriver5. 2007-08-07 12:24:06 +00:00
Ben Gras
30ba1ec187 also allow vm_map. 2007-07-11 13:45:06 +00:00
Ben Gras
eb4609c108 Don't exit when rebooting. 2007-07-11 13:44:45 +00:00
Philip Homburg
56a68dc32b Hack in service to use RS_START instead of RS_UP. RS reports the use of RS_UP. 2007-05-02 15:20:28 +00:00
Philip Homburg
33d31720a5 Use ds_retrieve_u32 to get the endpoint of inet and of the ethernet drivers. 2007-05-02 11:30:16 +00:00
Philip Homburg
02a229f14d Publish endpoints in ds. 2007-04-27 13:03:33 +00:00
Philip Homburg
93f9bb4a57 Restrict access to rs to root's processes. 2007-04-27 12:27:40 +00:00
Philip Homburg
69ca935251 getpeuid implementation. Get the uid of a process (by endpoint) 2007-04-27 12:21:06 +00:00
Ben Gras
8eb09f6ddc . readall: use lseek64() to read more than 4GB of a device
. vfs: 64-bit offset support for character device i/o
   (also remove unused dev_bio function)
 . memory: /dev/null and /dev/zero are infinitely large, don't stop
   reading/writing at 4GB
2007-04-24 13:27:33 +00:00
Philip Homburg
0bd4c5ee7d Initial convertion to asynchronous sends for communicating with ethernet
drivers.
2007-04-23 14:49:20 +00:00
Philip Homburg
b613f5cb4b Report and detect exec failures using a pipe.
XXX Hardcoded values for s_ipc_to and s_ipc_sendrec.
2007-04-23 14:47:04 +00:00
Philip Homburg
727ce18aa8 Initialize exec_pipe. 2007-04-23 14:43:25 +00:00
Philip Homburg
849285f66d Diagnostics from service go to standard error. 2007-04-23 14:42:58 +00:00
Philip Homburg
e68a2b4d6a Extra flags RS_SIGNALED and RS_EXECFAILED. Pipe for detecting exec failures. 2007-04-23 14:42:08 +00:00
Philip Homburg
b4a88a3705 Removed ECHO from dump, added SENDA. Also dump s_ipc_sendrec. 2007-04-23 14:40:13 +00:00
Philip Homburg
77f5b40141 Round memory size up for VM. 2007-04-23 14:38:55 +00:00
Philip Homburg
b5e6319ae7 Removed some indentation. 2007-04-23 14:33:42 +00:00
Ben Gras
1d7cea10ed str[] is too small - reported by Erik van der Kouwe <vdkouwe@cs.vu.nl>. 2007-04-23 13:36:13 +00:00
Ben Gras
dc67b37a10 more removing of warning and debug messages. 2007-04-13 14:00:31 +00:00
Ben Gras
6b2ad6fdfd verbose message out 2007-04-12 17:01:54 +00:00
Ben Gras
a2b1a5134b . leave out hardware-fp code from library
. minor packman usage tweaks
 . kernel feature for printing version number
 . removed some verbose debug messages from vfs/mfs
2007-04-12 16:45:00 +00:00
Ben Gras
2958815463 leave out debug message 2007-04-12 15:24:45 +00:00
Ben Gras
647d1496f3 fix for warning 2007-04-02 14:45:56 +00:00
Ben Gras
52b71b2396 Minor change to path lookup that fixes the bug that creating a file
as a first component of an absolute path failed (e.g. 'touch /file'),
due to leading slashes not being skipped in the processed path counter
in that case, causing create to fail.
2007-02-28 13:13:39 +00:00
Ben Gras
3b08825d85 . service tells you which device it couldn't stat
. bigger rs and ramdisk for drivers
. sanity check for pv_set macro for oversized arguments
2007-02-23 18:22:46 +00:00
Ben Gras
448376ee7e . use library function to parse memory string
. remove unused variables and some other gcc warnings
2007-02-16 15:55:20 +00:00
Ben Gras
b267d42531 removed or optionalized verbose/debugging messages 2007-02-16 15:50:30 +00:00
Ben Gras
bd27c5240b Typo's. 2007-02-12 12:27:43 +00:00
Ben Gras
9f2f3dd488 don't call mkdep with an absolute path 2007-02-08 16:26:20 +00:00
Ben Gras
a12c7ad963 Start a 2nd copy of at_wini, for /dev/c1*. This requires a slightly
larger rs.
2007-02-08 14:04:59 +00:00
Ben Gras
8ea438ae93 Retired DEV_{READ,WRITE,GATHER,SCATTER,IOCTL} (safe versions *_S are to
be used and drivers should never receieve these 'unsafe' variants
any more).
2007-02-07 16:22:19 +00:00
Ben Gras
41e9fedf87 Mostly bugfixes of bugs triggered by the test set.
bugfixes:
 SYSTEM:
 . removed
        rc->p_priv->s_flags = 0;
   for the priv struct shared by all user processes in get_priv(). this
   should only be done once. doing a SYS_PRIV_USER in sys_privctl()
   caused the flags of all user processes to be reset, so they were no
   longer PREEMPTIBLE. this happened when RS executed a policy script.
   (this broke test1 in the test set)

 VFS/MFS:
 . chown can change the mode of a file, and chmod arguments are only
   part of the full file mode so the full filemode is slightly magic.
   changed these calls so that the final modes are returned to VFS, so
   that the vnode can be kept up-to-date.
   (this broke test11 in the test set)

 MFS:
 . lookup() checked for sizeof(string) instead of sizeof(user_path),
   truncating long path names
   (caught by test 23)
 . truncate functions neglected to update ctime
   (this broke test16)

 VFS:
 . corner case of an empty filename lookup caused fields of a request
   not to be filled in in the lookup functions, not making it clear
   that the lookup had failed, causing messages to garbage processes,
   causing strange failures.
   (caught by test 30)
 . trust v_size in vnode when doing reads or writes on non-special
   files, truncating i/o where necessary; this is necessary for pipes,
   as MFS can't tell when a pipe has been truncated without it being
   told explicitly each time.
   when the last reader/writer on a pipe closes, tell FS about
   the new size using truncate_vn().
   (this broke test 25, among others)
 . permission check for chdir() had disappeared; added a
   forbidden() call
   (caught by test 23)

new code, shouldn't change anything:
 . introduced RTS_SET, RTS_UNSET, and RTS_ISSET macro's, and their
   LOCK variants. These macros set and clear the p_rts_flags field,
   causing a lot of duplicated logic like

       old_flags = rp->p_rts_flags;            /* save value of the flags */
       rp->p_rts_flags &= ~NO_PRIV;
       if (old_flags != 0 && rp->p_rts_flags == 0) lock_enqueue(rp);

   to change into the simpler

       RTS_LOCK_UNSET(rp, NO_PRIV);

   so the macros take care of calling dequeue() and enqueue() (or lock_*()),
   as the case may be). This makes the code a bit more readable and a
   bit less fragile.
 . removed return code from do_clocktick in CLOCK as it currently
   never replies
 . removed some debug code from VFS
 . fixed grant debug message in device.c
 
preemptive checks, tests, changes:
 . added return code checks of receive() to SYSTEM and CLOCK
 . O_TRUNC should never arrive at MFS (added sanity check and removed
   O_TRUNC code)
 . user_path declared with PATH_MAX+1 to let it be null-terminated
 . checks in MFS to see if strings passed by VFS are null-terminated
 
 IS:
 . static irq name table thrown out
2007-02-01 17:50:02 +00:00
Ben Gras
73e4e31376 Don't reply to the caller on RS_DOWN until process is actually dead -
otherwise (e.g.) mounts right after an unmount of the same device don't
work (duplicate label).
2007-01-22 16:44:03 +00:00
Ben Gras
2194bc0310 vfs/mount/rs/service changes:
. changed umount() and mount() to call 'service', so that it can include
   a custom label, so that umount() works again (RS slot gets freed now).
   merged umount() and mount() into one file to encode keep this label
   knowledge in one file.
 . removed obsolete RS_PID field and RS_RESCUE rescue command
 . added label to RS_START struct
 . vfs no longer does kill of fs process on unmount (which was failing
   due to RS_PID request not working)
 . don't assume that if error wasn't one of three errors, that no error
   occured in vfs/request.c
mfs changes:
 . added checks to copy statements to truncate copies at buffer sizes
   (left in debug code for now)
 . added checks for null-terminatedness, if less than NAME_MAX was copied
 . added checks for copy function success
is changes: 
 . dump rs label
drivers.conf changes:
 . added acl for mfs so that mfs can be started with 'service start',
   so that a custom label can be provided
2007-01-22 15:25:41 +00:00