From owner-freebsd-hackers  Tue Nov  7 15:27:15 2000
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Date: Tue, 7 Nov 2000 15:27:11 -0800
From: Alfred Perlstein <bright@wintelcom.net>
To: jkh@FreeBSD.ORG
Cc: hackers@FreeBSD.ORG
Subject: Re: Documenting sysV IPC tunables.
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* Alfred Perlstein <bright@wintelcom.net> [001107 14:58] wrote:
> I have a patch here that I'd like to get into LINT for 4.2,
> it _finally_ documents the sysV IPC tunables.
> 
> I'll also be applying this patch to NOTES for -current.

Bah, someone beat me for -current, but I like my patch better
because it groups the options together with the "include support for"
options.

I'd like to change NOTES to look like my patch and i'd like to
apply it to LINT in 4.x.

Any objections?


> 
> Index: LINT
> ===================================================================
> RCS file: /home/ncvs/src/sys/i386/conf/Attic/LINT,v
> retrieving revision 1.749.2.35
> diff -u -u -r1.749.2.35 LINT
> --- LINT	2000/10/31 23:16:07	1.749.2.35
> +++ LINT	2000/11/07 22:57:59
> @@ -272,9 +272,33 @@
>  # Definition-style interprocess communication, in the form of shared
>  # memory, semaphores, and message queues, respectively.
>  #
> -options 	SYSVSHM
> -options 	SYSVSEM
> -options 	SYSVMSG
> +# System V shared memory and tunable parameters
> +options 	SYSVSHM		# include support for shared memory
> +options 	SHMMAXPGS=1025	# max amount of shared memory pages (4k on i386)
> +options 	SHMALL=1025	# max amount of shared memory (bytes)
> +options 	SHMMAX="(SHMMAXPGS*PAGE_SIZE+1)"
> +				# max shared memory segment size (bytes)
> +options 	SHMMIN=2	# min shared memory segment size (bytes)
> +options 	SHMMNI=33	# max number of shared memory identifiers
> +options 	SHMSEG=9	# max shared memory segments per process
> +
> +# System V semaphores and tunable parameters
> +options 	SYSVSEM		# include support for semaphores
> +options 	SEMMAP=31	# amount of entries in semaphore map
> +options 	SEMMNI=11	# number of semaphore identifiers in the system
> +options 	SEMMNS=61	# number of semaphores in the system
> +options 	SEMMNU=31	# number of undo structures in the system
> +options 	SEMMSL=61	# max number of semaphores per id
> +options 	SEMOPM=101	# max number of operations per semop call
> +options 	SEMUME=11	# max number of undo entries per process
> +
> +# System V message queues and tunable parameters
> +options 	SYSVMSG		# include support for message queues
> +options 	MSGMNB=2049	# max characters per message
> +options 	MSGMNI=41	# max number of message queue identifiers
> +options 	MSGSEG=2049	# max number of message segments in the system
> +options 	MSGSSZ=16	# size of a message segment MUST be power of 2
> +options 	MSGTQL=41	# max amount of messages in the system
>  
>  
>  #####################################################################
> @@ -2415,11 +2439,6 @@
>  options 	KEY
>  options 	LOCKF_DEBUG
>  options 	LOUTB
> -options 	MSGMNB=2049
> -options 	MSGMNI=41
> -options 	MSGSEG=2049
> -options 	MSGSSZ=16
> -options 	MSGTQL=41
>  options 	NBUF=512
>  options 	NETATALKDEBUG
>  options 	NMBCLUSTERS=1024
> @@ -2435,19 +2454,6 @@
>  options 	SCSI_NCR_MYADDR=7
>  options 	SC_DEBUG_LEVEL
>  options 	SC_RENDER_DEBUG
> -options 	SEMMAP=31
> -options 	SEMMNI=11
> -options 	SEMMNS=61
> -options 	SEMMNU=31
> -options 	SEMMSL=61
> -options 	SEMOPM=101
> -options 	SEMUME=11
> -options 	SHMALL=1025
> -options 	SHMMAX="(SHMMAXPGS*PAGE_SIZE+1)"
> -options 	SHMMAXPGS=1025
> -options 	SHMMIN=2
> -options 	SHMMNI=33
> -options 	SHMSEG=9
>  options 	SHOW_BUSYBUFS	# List buffers that prevent root unmount
>  options 	SIMPLELOCK_DEBUG
>  options 	SI_DEBUG
> 

-- 
-Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org]
"I have the heart of a child; I keep it in a jar on my desk."


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