summaryrefslogtreecommitdiff
path: root/sys/kern/subr_log.c
Commit message (Collapse)AuthorAgeFilesLines
* In keeping with style(9)'s recommendations on macros, use a ';'Robert Watson2008-03-161-1/+1
| | | | | | | | | | | | after each SYSINIT() macro invocation. This makes a number of lightweight C parsers much happier with the FreeBSD kernel source, including cflow's prcc and lxr. MFC after: 1 month Discussed with: imp, rink Notes: svn path=/head/; revision=177253
* Use dynamic major number allocation.Poul-Henning Kamp2005-02-271-3/+1
| | | | Notes: svn path=/head/; revision=142709
* /* -> /*- for copyright notices, minor format tweaks as necessaryWarner Losh2005-01-061-1/+1
| | | | Notes: svn path=/head/; revision=139804
* Do the dreaded s/dev_t/struct cdev */Poul-Henning Kamp2004-06-161-5/+5
| | | | | | | Bump __FreeBSD_version accordingly. Notes: svn path=/head/; revision=130585
* Remove advertising clause from University of California Regent's license,Warner Losh2004-04-051-4/+0
| | | | | | | | | per letter dated July 22, 1999. Approved by: core Notes: svn path=/head/; revision=127911
* Device megapatch 4/6:Poul-Henning Kamp2004-02-211-0/+2
| | | | | | | | | | | Introduce d_version field in struct cdevsw, this must always be initialized to D_VERSION. Flip sense of D_NOGIANT flag to D_NEEDGIANT, this involves removing four D_NOGIANT flags and adding 145 D_NEEDGIANT flags. Notes: svn path=/head/; revision=126080
* - Implement selwakeuppri() which allows raising the priority of aSeigo Tanimura2003-11-091-1/+1
| | | | | | | | | | | | | | | | thread being waken up. The thread waken up can run at a priority as high as after tsleep(). - Replace selwakeup()s with selwakeuppri()s and pass appropriate priorities. - Add cv_broadcastpri() which raises the priority of the broadcast threads. Used by selwakeuppri() if collision occurs. Not objected in: -arch, -current Notes: svn path=/head/; revision=122352
* Replace the code for reading and writing the kernel message bufferIan Dowse2003-06-221-18/+7
| | | | | | | | | | | | | | | | | | | | with a new implementation that has a mostly reentrant "addchar" routine, supports multiple message buffers in the kernel, and hides the implementation details from callers. The new code uses a kind of sequence number to represend the current read and write positions in the buffer. This approach (suggested mainly by bde) permits the read and write pointers to be maintained separately, which reduces the number of atomic operations that are required. The "mostly reentrant" above refers to the way that while it is now always safe to have any number of concurrent writers, readers could see the message buffer after a writer has advanced the pointers but before it has witten the new character. Discussed on: freebsd-arch Notes: svn path=/head/; revision=116660
* Fix a divide-by-zero on kern.log_wakeups_per_second tunable.Bosko Milekic2003-06-201-0/+8
| | | | | | | | Submitted by: Christian S.J. Peron <maneo@bsdpro.com> PR: kern/53557 Notes: svn path=/head/; revision=116634
* Use __FBSDID().David E. O'Brien2003-06-111-1/+3
| | | | Notes: svn path=/head/; revision=116182
* Gigacommit to improve device-driver source compatibility betweenPoul-Henning Kamp2003-03-031-13/+7
| | | | | | | | | | | | | | | | branches: Initialize struct cdevsw using C99 sparse initializtion and remove all initializations to default values. This patch is automatically generated and has been tested by compiling LINT with all the fields in struct cdevsw in reverse order on alpha, sparc64 and i386. Approved by: re(scottl) Notes: svn path=/head/; revision=111815
* More low-hanging fruit: kill caddr_t in calls to wakeup(9) / [mt]sleep(9).Dag-Erling Smørgrav2003-03-021-1/+1
| | | | Notes: svn path=/head/; revision=111748
* uiomove-related caddr_t -> void * (just the low-hanging fruit)Dag-Erling Smørgrav2003-03-021-1/+1
| | | | Notes: svn path=/head/; revision=111741
* Make the msg_size, msg_bufx and msg_bufr memebers of struct msgbufThomas Moestl2002-11-141-9/+6
| | | | | | | | | | | | | | signed, since they describe a ring buffer and signed arithmetic is performed on them. This avoids some evilish casts. Since this changes all but two members of this structure, style(9) those remaining ones, too. Requested by: bde Reviewed by: bde (earlier version) Notes: svn path=/head/; revision=106917
* Fix the calculations of the length of the unread message bufferThomas Moestl2002-10-201-2/+2
| | | | | | | | | | | | | contents. The code was subtracting two unsigned ints, stored the result in a log and expected it to be the same as of a signed subtraction; this does only work on platforms where int and long have the same size (due to overflows). Instead, cast to long before the subtraction; the numbers are guaranteed to be small enough so that there will be no overflows because of that. Notes: svn path=/head/; revision=105590
* In an SMP environment post-Giant it is no longer safe to blindlyDon Lewis2002-10-031-2/+2
| | | | | | | | | | | | dereference the struct sigio pointer without any locking. Change fgetown() to take a reference to the pointer instead of a copy of the pointer and call SIGIO_LOCK() before copying the pointer and dereferencing it. Reviewed by: rwatson Notes: svn path=/head/; revision=104393
* more caddr_t removal.Alfred Perlstein2002-06-291-2/+1
| | | | Notes: svn path=/head/; revision=99012
* Make funsetown() take a 'struct sigio **' so that the locking canAlfred Perlstein2002-05-061-1/+1
| | | | | | | | | | | | | | | | | | | be done internally. Ensure that no one can fsetown() to a dying process/pgrp. We need to check the process for P_WEXIT to see if it's exiting. Process groups are already safe because there is no such thing as a pgrp zombie, therefore the proctree lock completely protects the pgrp from having sigio structures associated with it after it runs funsetownlst. Add sigio lock to witness list under proctree and allproc, but over proc and pgrp. Seigo Tanimura helped with this. Notes: svn path=/head/; revision=96122
* Redo the sigio locking.Alfred Perlstein2002-05-011-1/+1
| | | | | | | | | | | | | | Turn the sigio sx into a mutex. Sigio lock is really only needed to protect interrupts from dereferencing the sigio pointer in an object when the sigio itself is being destroyed. In order to do this in the most unintrusive manner change pgsigio's sigio * argument into a **, that way we can lock internally to the function. Notes: svn path=/head/; revision=95883
* Use the passed in thread to selrecord() instead of curthread.John Baldwin2001-09-211-1/+1
| | | | Notes: svn path=/head/; revision=83805
* KSE Milestone 2Julian Elischer2001-09-121-6/+6
| | | | | | | | | | | | | | | | | Note ALL MODULES MUST BE RECOMPILED make the kernel aware that there are smaller units of scheduling than the process. (but only allow one thread per process at this time). This is functionally equivalent to teh previousl -current except that there is a thread associated with each process. Sorry john! (your next MFC will be a doosie!) Reviewed by: peter@freebsd.org, dillon@freebsd.org X-MFC after: ha ha ha ha Notes: svn path=/head/; revision=83366
* syslogd gets kernel log messages only once every 30 seconds orPoul-Henning Kamp2001-05-231-4/+7
| | | | | | | | | | | | | | at the top of the minute, whichever comes first. It seems logtimeout() is only called once after the kernel log is opened and then never again after that. So I guess syslogd only gets kernel log messages by virtue of syncer(4)'s flushes ...? PR: 27361 Submitted by: pkern@utcc.utoronto.ca MFC after: 1 week Notes: svn path=/head/; revision=77057
* Send the remains (such as I have located) of "block major numbers" toPoul-Henning Kamp2001-03-261-1/+0
| | | | | | | the bit-bucket. Notes: svn path=/head/; revision=74810
* Replace logwakeup() with "int msgbuftrigger". There is littlePoul-Henning Kamp2000-12-201-12/+2
| | | | | | | | | | | | | | point in calling a function just to set a flag. Keep better track of the syslog FAC/PRI code and try to DTRT if they mingle. Log all writes to /dev/console to syslog with <console.info> priority. The formatting is not preserved, there is no robust, way of doing it. (Ideas with patches welcome). Notes: svn path=/head/; revision=70239
* Delay waking up processes select'ing on the log device directly fromJohn Baldwin2000-12-151-0/+29
| | | | | | | | | | | | | the kernel console. Instead, change logwakeup() to set a flag in the softc. A callout then wakes up every so often and wakes up any processes selecting on /dev/log (such as syslogd) if the flag is set. By default this callout fires 5 times a second, but that can be adjusted by the sysctl kern.log_wakeups_per_second. Reviewed by: phk Notes: svn path=/head/; revision=70069
* Kill some bogus "register" keywords.Poul-Henning Kamp2000-12-081-31/+11
| | | | | | | Go Ansi on the functions. Notes: svn path=/head/; revision=69741
* Remove five now unused fields from struct cdevsw. They should neverPoul-Henning Kamp1999-09-251-5/+0
| | | | | | | | | | | have been there in the first place. A GENERIC kernel shrinks almost 1k. Add a slightly different safetybelt under nostop for tty drivers. Add some missing FreeBSD tags Notes: svn path=/head/; revision=51658
* $Id$ -> $FreeBSD$Peter Wemm1999-08-281-1/+1
| | | | Notes: svn path=/head/; revision=50477
* Convert DEVFS hooks in (most) drivers to make_dev().Poul-Henning Kamp1999-08-231-20/+3
| | | | | | | | | | | | | | | | | | | Diskslice/label code not yet handled. Vinum, i4b, alpha, pc98 not dealt with (left to respective Maintainers) Add the correct hook for devfs to kern_conf.c The net result of this excercise is that a lot less files depends on DEVFS, and devtoname() gets more sensible output in many cases. A few drivers had minor additional cleanups performed relating to cdevsw registration. A few drivers don't register a cdevsw{} anymore, but only use make_dev(). Notes: svn path=/head/; revision=50254
* Simplify cdevsw registration.Poul-Henning Kamp1999-05-311-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The cdevsw_add() function now finds the major number(s) in the struct cdevsw passed to it. cdevsw_add_generic() is no longer needed, cdevsw_add() does the same thing. cdevsw_add() will print an message if the d_maj field looks bogus. Remove nblkdev and nchrdev variables. Most places they were used bogusly. Instead check a dev_t for validity by seeing if devsw() or bdevsw() returns NULL. Move bdevsw() and devsw() functions to kern/kern_conf.c Bump __FreeBSD_version to 400006 This commit removes: 72 bogus makedev() calls 26 bogus SYSINIT functions if_xe.c bogusly accessed cdevsw[], author/maintainer please fix. I4b and vinum not changed. Patches emailed to authors. LINT probably broken until they catch up. Notes: svn path=/head/; revision=47640
* This commit should be a extensive NO-OP:Poul-Henning Kamp1999-05-301-5/+22
| | | | | | | | | | | | | | | | Reformat and initialize correctly all "struct cdevsw". Initialize the d_maj and d_bmaj fields. The d_reset field was not removed, although it is never used. I used a program to do most of this, so all the files now use the same consistent format. Please keep it that way. Vinum and i4b not modified, patches emailed to respective authors. Notes: svn path=/head/; revision=47625
* Add sufficient braces to keep egcs happy about potentially ambiguousPeter Wemm1999-05-061-3/+3
| | | | | | | if/else nesting. Notes: svn path=/head/; revision=46568
* The "easy" fixes for compiling the kernel -Wunused: remove unreferenced staticArchie Cobbs1998-12-071-3/+1
| | | | | | | and local variables, goto labels, and functions declared but not defined. Notes: svn path=/head/; revision=41591
* I got another batch of suggestions for cosmetic changes from bde.Don Lewis1998-11-111-2/+2
| | | | Notes: svn path=/head/; revision=41087
* Installed the second patch attached to kern/7899 with some changes suggestedDon Lewis1998-11-111-12/+18
| | | | | | | | | | | | | | | | | | | by bde, a few other tweaks to get the patch to apply cleanly again and some improvements to the comments. This change closes some fairly minor security holes associated with F_SETOWN, fixes a few bugs, and removes some limitations that F_SETOWN had on tty devices. For more details, see the description on the PR. Because this patch increases the size of the proc and pgrp structures, it is necessary to re-install the includes and recompile libkvm, the vinum lkm, fstat, gcore, gdb, ipfilter, ps, top, and w. PR: kern/7899 Reviewed by: bde, elvind Notes: svn path=/head/; revision=41086
* This commit fixes various 64bit portability problems required forDoug Rabson1998-06-071-2/+2
| | | | | | | | | | | | | FreeBSD/alpha. The most significant item is to change the command argument to ioctl functions from int to u_long. This change brings us inline with various other BSD versions. Driver writers may like to use (__FreeBSD_version == 300003) to detect this change. The prototype FreeBSD/alpha machdep will follow in a couple of days time. Notes: svn path=/head/; revision=36735
* Some cleanups related to timecounters and weird ifdefs in <sys/time.h>.Poul-Henning Kamp1998-05-281-4/+1
| | | | | | | | | | | | | | | | | | | | | | | Clean up (or if antipodic: down) some of the msgbuf stuff. Use an inline function rather than a macro for timecounter delta. Maintain process "on-cpu" time as 64 bits of microseconds to avoid needless second rollover overhead. Avoid calling microuptime the second time in mi_switch() if we do not pass through _idle in cpu_switch() This should reduce our context-switch overhead a bit, in particular on pre-P5 and SMP systems. WARNING: Programs which muck about with struct proc in userland will have to be fixed. Reviewed, but found imperfect by: bde Notes: svn path=/head/; revision=36441
* Make the size of the msgbuf (dmesg) a "normal" option.Poul-Henning Kamp1998-05-191-6/+7
| | | | Notes: svn path=/head/; revision=36179
* Don't depend on "implicit int" or bloat the data section in theBruce Evans1998-02-201-2/+2
| | | | | | | declaration of xxx_devsw_installed. Notes: svn path=/head/; revision=33679
* Make all file-system (MFS, FFS, NFS, LFS, DEVFS) related option new-style.Eivind Eklund1998-01-241-1/+3
| | | | | | | | | | | This introduce an xxxFS_BOOT for each of the rootable filesystems. (Presently not required, but encouraged to allow a smooth move of option *FS to opt_dontuse.h later.) LFS is temporarily disabled, and will be re-enabled tomorrow. Notes: svn path=/head/; revision=32726
* Removed unused #includes.Bruce Evans1997-10-281-2/+1
| | | | Notes: svn path=/head/; revision=30813
* Fixed gratuitous ANSIisms.Bruce Evans1997-09-161-2/+4
| | | | Notes: svn path=/head/; revision=29506
* Extend select hook to support pollPeter Wemm1997-09-141-16/+16
| | | | Notes: svn path=/head/; revision=29357
* Don't include <sys/ioctl.h> in the kernel. Stage 4: includeBruce Evans1997-03-241-2/+3
| | | | | | | | | | | <sys/ttycom.h> and sometimes <sys/filio.h> instead of <sys/ioctl.h> in miscellaneous files. Most of these files have nothing to do with ttys but need to include <sys/ttycom.h> to get the definitions of TIOC[SG]PGRP which are (ab)used to convert F[SG]ETOWN fcntls into ioctls. Notes: svn path=/head/; revision=24206
* Don't #include <sys/fcntl.h> in <sys/file.h> if KERNEL is defined.Bruce Evans1997-03-231-2/+2
| | | | | | | | Fixed everything that depended on getting fcntl.h stuff from the wrong place. Most things don't depend on file.h stuff at all. Notes: svn path=/head/; revision=24131
* Back out part 1 of the MCFH that changed $Id$ to $FreeBSD$. We are notPeter Wemm1997-02-221-1/+1
| | | | | | | ready for it yet. Notes: svn path=/head/; revision=22975
* Make the long-awaited change from $Id$ to $FreeBSD$Jordan K. Hubbard1997-01-141-1/+1
| | | | | | | | | | | This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise. Notes: svn path=/head/; revision=21673
* Quiet a couple of -Wunused warnings.Garrett Wollman1996-07-091-1/+3
| | | | Notes: svn path=/head/; revision=17040
* Fixed name of /dev/fs/klog (it's not "log").Bruce Evans1996-03-271-3/+4
| | | | | | | Submitted by: "Marc G. Fournier" <scrappy@ki.net> and edited by me Notes: svn path=/head/; revision=14851
* A Major staticize sweep. Generates a couple of warnings that I'll dealPoul-Henning Kamp1995-12-141-2/+2
| | | | | | | | | with later. A number of unused vars removed. A number of unused procs removed or #ifdefed. Notes: svn path=/head/; revision=12819
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-09 19:09:00 +0000