Intimate Shared Memory (ISM) Post: 302363441

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1. Programming

Shared memory

Dear Reader, Is is necessary to attach / dettach the shared memory segments for write operations , if more than one program is accessing same shared memory segments.. I have used semaphore mutex and still I'm getting segmentation fault when I write to the segment when other program is already...

2. UNIX for Advanced & Expert Users

Shared memory shortage but lots of unused memory

I am running HP-UX B.11.11. I'm increasing a parameter for a database engine so that it uses more memory to buffer the disk drive (to speed up performance). I have over 5GB of memory not being used. But when I try to start the DB with the increased buffer parameter I get told. "Not...

3. Linux

all about shared memory

Hi all :confused: , I am new to unix.I have been asked to implement shared memory in user's mode.What does this mean?What is the difference it makes in kernel mode and in users mode?What are the advantages of this impemenation(user's mode)? And also i would like to know why exactly shared...

4. Programming

help with shared memory

what i want to do is have an int that can been written into by 2 processes but my code doesn't seem to work. #include <sys/types.h> #include <sys/ipc.h> #include <sys/sem.h> #include <sys/shm.h> #include<stdio.h> #define KEY1 (1492) int main() { int shmid; volatile int * addr;...

5. Programming

memory sharing - not shared memory -

hi, this is the problem: i want to swap a linked list between 4 processes (unrelated), is there any way i can do that just by sending a pointer to a structure? //example typedef struct node { int x; char c; struct node *next; } node; or i should send the items ( x,c ) by...

6. Programming

Shared memory in shared library

I need to create a shared library to access an in memory DB. The DB is not huge, but big enough to make it cumbersome to carry around in every single process using the shared library. Luckily, it is pretty static information, so I don't need to worry much about synchronizing the data between...

7. Programming

Shared memory for shared library

I am writing a shared library in Linux (but compatible with other UNIXes) and I want to allow multiple instances to share a piece of memory -- 1 byte is enough. What's the "best" way to do this? I want to optimize for speed and portability. Obviously, I'll have to worry about mutual exclusion.

8. UNIX for Advanced & Expert Users

Shared Memory

Hi, Using ipcs we can see shared memory, etc.. details. How can I add/remove shared memory(command name)? Thanks, Naga:cool:

9. AIX

shared memory

1.How to know wich process is using the shared memory? 2.How to flush (release) the process from the shared memory?

10. Programming

Shared library with acces to shared memory.

Hello. I am new to this forum and I would like to ask for advice about low level POSIX programming. I have to implement a POSIX compliant C shared library. A file will have some variables and the shared library will have some functions which need those variables. There is one special...

LEARN ABOUT DEBIAN

htnotify

htnotify(1)						      General Commands Manual						       htnotify(1)

NAME

       htnotify - sends email notifications about out-dated web pages discovered by htmerge

SYNOPSIS

       htnotify [options]

DESCRIPTION

       Htnotify  scans	the document database created by htmerge and sends an email message for every page that is out of date. Please have a look
       at the ht://Dig notification manual for instructions on how to set up this service.

OPTIONS

       -b database
	      Specifies an alternative database than what is specified in the configuration file.

       -c configfile
	      Use the specified configfile instead of the default.  -v Verbose mode. This increases the verbosity of the program.  Used once  will
	      display  a  log  of  what  email messages were sent. Used more than once will display information about each document that has email
	      notification set.

FILES

       /etc/htdig/htdig.conf
	      The default configuration file.

SEE ALSO

       Please refer to the HTML pages (in the htdig-doc package)  /usr/share/doc/htdig-doc/html/index.html  and  the  manual  pages  htdig(1)  and
       htmerge(1) for a detailed description of ht://Dig and its commands.

AUTHOR

       This manual page was written by Christian Schwarz, modified by Stijn de Bekker, based on the HTML documentation of ht://Dig.

								   21 July 1997 						       htnotify(1)

10 More Discussions You Might Find Interesting

1. Programming

Shared memory

Discussion started by: joseph_shibu

2. UNIX for Advanced & Expert Users

Shared memory shortage but lots of unused memory

Discussion started by: cjcamaro

3. Linux

all about shared memory

Discussion started by: vijaya2006

4. Programming

help with shared memory

Discussion started by: ddx08