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* Implement m_getm() which will perform an "all or nothing" mbuf + clusterbmilekic2001-02-141-27/+2
| | | | | | | | | | | | | | | | | | | | | allocation, as required. If m_getm() receives NULL as a first argument, then it allocates `len' (second argument) bytes worth of mbufs + clusters and returns the chain only if it was able to allocate everything. If the first argument is non-NULL, then it should be an existing mbuf chain (e.g. pre-allocated mbuf sitting on a ring, on some list, etc.) and so it will allocate `len' bytes worth of clusters and mbufs, as needed, and append them to the tail of the passed in chain, only if it was able to allocate everything requested. If allocation fails, only what was allocated by the routine will be freed, and NULL will be returned. Also, get rid of existing m_getm() in netncp code and replace calls to it to calls to this new generic code. Heavily Reviewed by: bp
* Mechanical change to use <sys/queue.h> macro API instead ofphk2001-02-042-6/+6
| | | | | | | fondling implementation details. Created with: sed(1) Reviewed by: md5(1)
* Common option '-N' do not require an argument.bp2001-01-071-2/+2
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* * Rename M_WAIT mbuf subsystem flag to M_TRYWAIT.bmilekic2000-12-212-9/+9
| | | | | | | | | | | | | | | | | | This is because calls with M_WAIT (now M_TRYWAIT) may not wait forever when nothing is available for allocation, and may end up returning NULL. Hopefully we now communicate more of the right thing to developers and make it very clear that it's necessary to check whether calls with M_(TRY)WAIT also resulted in a failed allocation. M_TRYWAIT basically means "try harder, block if necessary, but don't necessarily wait forever." The time spent blocking is tunable with the kern.ipc.mbuf_wait sysctl. M_WAIT is now deprecated but still defined for the next little while. * Fix a typo in a comment in mbuf.h * Fix some code that was actually passing the mbuf subsystem's M_WAIT to malloc(). Made it pass M_WAITOK instead. If we were ever to redefine the value of the M_WAIT flag, this could have became a big problem.
* Make malloc use M_ZERO in some more locations.dwmalone2000-10-291-6/+3
| | | | | | | | Don't check for a null pointer if malloc called with M_WAITOK. Submitted by: josh@zipperup.org Submitted by: Robert Drehmel <robd@gmx.net> Approved by: bp
* Remove unneeded #include <sys/proc.h> lines.phk2000-10-291-1/+0
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* Convert lockmgr locks from using simple locks to using mutexes.jasone2000-10-043-0/+10
| | | | | | Add lockdestroy() and appropriate invocations, which corresponds to lockinit() and must be called to clean up after a lockmgr lock is no longer needed.
* Remove duplicate SYSCTL_NODE() declaration. Kernel linker can't dealbp2000-10-021-1/+0
| | | | with it well.
* Previous commit changing SYSCTL_HANDLER_ARGS violated KNF.phk2000-07-041-2/+2
| | | | Pointed out by: bde
* Style police catches up with rev 1.26 of src/sys/sys/sysctl.h:phk2000-07-031-2/+2
| | | | | | | | Sanitize SYSCTL_HANDLER_ARGS so that simplistic tools can grog our sources: -sysctl_vm_zone SYSCTL_HANDLER_ARGS +sysctl_vm_zone (SYSCTL_HANDLER_ARGS)
* Back out the previous change to the queue(3) interface.jake2000-05-263-13/+13
| | | | | | It was not discussed and should probably not happen. Requested by: msmith and others
* Change the way that the queue(3) structures are declared; don't assume thatjake2000-05-233-13/+13
| | | | | | | | the type argument to *_HEAD and *_ENTRY is a struct. Suggested by: phk Reviewed by: phk Approved by: mdodd
* nwfs depends on ncppeter2000-04-291-0/+2
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* Do not panic if request issued by kernel.bp2000-04-051-1/+2
| | | | Reported by: Vladimir Poliakov <vnp@mail.kccm.ru>
* Enable '=' character in the filename.bp2000-01-291-1/+1
| | | | Submitted by: Dan Nelson <dnelson@emsphone.com>
* Forward declare some structs so that this header is more self-suifficent.bde2000-01-144-0/+17
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* Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL"peter1999-12-294-10/+10
| | | | | | is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
* Update to version 1.3.4 of ncplib. Cleanup header files.bp1999-12-129-35/+42
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* Change structure field named 'toupper' to 'to_upper' to avoid conflictarchie1999-11-022-8/+8
| | | | with the macro of the same name. Same thing for 'tolower'.
* Bump internal version number with next release of ncplib.bp1999-10-311-1/+1
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* Add support for C++ in the headers. Some style cleanup.bp1999-10-313-146/+134
| | | | Pointed by: bde
* Add missing initialization which could lead to kernel panic.bp1999-10-291-0/+1
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* Initial import of ncp library sources.bp1999-10-124-0/+423
| | | | Reviewed by: jdp, mdodd
* Remove unnessary includes.bp1999-10-128-28/+0
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* Fixed "misspelling" of bcmp as memcmp. memcmp doesn't exist in thebde1999-10-031-1/+1
| | | | | | | | | | kernel, but gcc provides a pessimal builtin for it. Makefile.i386: Added a variable (CONF_CFLAGS) for configuration-specific compiler flags. LINT: Use CONF_CFLAGS to inhibit use of gcc builtins.
* Import kernel part of ncplib: netncp and nwfsbp1999-10-0218-0/+5652
Reviewed by: msmith, peter Obtained from: ncplib
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