Sponsored Content
Operating Systems Linux maximun number of message queues Post 302088153 by princelinux on Saturday 9th of September 2006 07:10:33 AM
Old 09-09-2006
grial, thank you. your reply helps a lot.
 

10 More Discussions You Might Find Interesting

1. Programming

Message queues

Hi all, I've been trying for hours to figure out how to turn my 2-program (one to send and one to receive) "chat system" using message queues, into a single program where each concurrent component (entity) will both send and receive messages. PLEASE give me a hand with this, I'm starting to... (9 Replies)
Discussion started by: mgchato
9 Replies

2. UNIX for Dummies Questions & Answers

message queues

let 3 processes a, b and c are sharing msgs using msg queues.process 'a' sending msg to 'c' and in turn 'c' send sthat msg to 'b'.if something happens to c how can 'a' and 'b' know that 'c' is not available?????? (2 Replies)
Discussion started by: sukaam
2 Replies

3. Solaris

rogue message queues solaris 9

We have message queues created from our ERP system to our tax system via an application api written by the ERP software vendor. Occasionally when a user does not gracefully exit the ERP application, the message queue hangs. After a few months, this becomes a problem as the queues are all used... (2 Replies)
Discussion started by: MizzGail
2 Replies

4. UNIX for Advanced & Expert Users

UNIX Message Queues vs. Sockets

If I use sockets for IPC, and can easily distribute my applications. UNIX Message Queues are local to the processor. As I understand it, Message Queues still incur system call overhead, just like socket calls. What advantage does a UNIX Message Queue provide versus a TCP or UDP Socket,... (2 Replies)
Discussion started by: zen29sky
2 Replies

5. Programming

message queues and multi-process

Hi, Am supposed to use message queues to send and receive messages between the processes. when i was working on that i realised that the message qid and the message queue related data should be maintained in a shared memory so that it can be accessed by all the processes. Could anybody refer... (10 Replies)
Discussion started by: rvan
10 Replies

6. UNIX for Advanced & Expert Users

message queues

#include <sys/ipc.h> #include <sys/msg.h> int main() { int qid; int t; struct msgbuf mesg; qid=msgget(IPC_PRIVATE,IPC_CREAT); mesg.mtype=1L; mesg.mtext=1; t=msgsnd(qid,&mesg,1,0); printf("%d",t); } the program prints -1 as the result of msgsnd ,which means that msgsnd doesn't... (1 Reply)
Discussion started by: tolkki
1 Replies

7. UNIX for Dummies Questions & Answers

message queues

can any body provide a tutorial that explains the concept of message queues in UNIX in great detail (1 Reply)
Discussion started by: asalman.qazi
1 Replies

8. Programming

Persisting message queues to disk

Hi, I have searched the forums and could not find a relavant thread discussing my use case, hence the new post. Basically am trying to pass on work to dummy worker instances from controller which will pass on work to workers (client) To make use of host capacity, am planning to serialize... (2 Replies)
Discussion started by: matrixmadhan
2 Replies

9. Shell Programming and Scripting

Cleaning Message Queues

i have an application installed on AIX 5.3 and i have made a script that shutdown a proccesses that exceeded 10000kb of memory usage but i have a problem with cleaning the message queues of these proccesses after shutting them down. Is there any way to clean the message queues for this particular... (8 Replies)
Discussion started by: Portabello
8 Replies

10. UNIX for Advanced & Expert Users

Performance calculation for Message Queues

i have a program(C++ Code) that sends/receives information through queue's (Uses MQ) Is there any UNIX/LINUX tool that calculates the load and performance time for the same. If not how do i design the program that calculates the performance time. i know that time.h can be used but it gives... (2 Replies)
Discussion started by: vkca
2 Replies
xcb_randr_get_crtc_gamma(3)					   XCB Requests 				       xcb_randr_get_crtc_gamma(3)

NAME
xcb_randr_get_crtc_gamma - SYNOPSIS
#include <xcb/randr.h> Request function xcb_randr_get_crtc_gamma_cookie_t xcb_randr_get_crtc_gamma(xcb_connection_t *conn, xcb_randr_crtc_t crtc); Reply datastructure typedef struct xcb_randr_get_crtc_gamma_reply_t { uint8_t response_type; uint8_t pad0; uint16_t sequence; uint32_t length; uint16_t size; uint8_t pad1[22]; } xcb_randr_get_crtc_gamma_reply_t; Reply function xcb_randr_get_crtc_gamma_reply_t *xcb_randr_get_crtc_gamma_reply(xcb_connection_t *conn, xcb_randr_get_crtc_gamma_cookie_t cookie, xcb_generic_error_t **e); Reply accessors uint16_t *xcb_randr_get_crtc_gamma_red(const xcb_randr_get_crtc_gamma_request_t *reply); int xcb_randr_get_crtc_gamma_red_length(const xcb_randr_get_crtc_gamma_reply_t *reply); xcb_generic_iterator_t xcb_randr_get_crtc_gamma_red_end(const xcb_randr_get_crtc_gamma_reply_t *reply); uint16_t *xcb_randr_get_crtc_gamma_green(const xcb_randr_get_crtc_gamma_request_t *reply); int xcb_randr_get_crtc_gamma_green_length(const xcb_randr_get_crtc_gamma_reply_t *reply); xcb_generic_iterator_t xcb_randr_get_crtc_gamma_green_end(const xcb_randr_get_crtc_gamma_reply_t *reply); uint16_t *xcb_randr_get_crtc_gamma_blue(const xcb_randr_get_crtc_gamma_request_t *reply); int xcb_randr_get_crtc_gamma_blue_length(const xcb_randr_get_crtc_gamma_reply_t *reply); xcb_generic_iterator_t xcb_randr_get_crtc_gamma_blue_end(const xcb_randr_get_crtc_gamma_reply_t *reply); REQUEST ARGUMENTS
conn The XCB connection to X11. crtc TODO: NOT YET DOCUMENTED. REPLY FIELDS
response_type The type of this reply, in this case XCB_RANDR_GET_CRTC_GAMMA. This field is also present in the xcb_generic_reply_t and can be used to tell replies apart from each other. sequence The sequence number of the last request processed by the X11 server. length The length of the reply, in words (a word is 4 bytes). size TODO: NOT YET DOCUMENTED. DESCRIPTION
RETURN VALUE
Returns an xcb_randr_get_crtc_gamma_cookie_t. Errors have to be handled when calling the reply function xcb_randr_get_crtc_gamma_reply. If you want to handle errors in the event loop instead, use xcb_randr_get_crtc_gamma_unchecked. See xcb-requests(3) for details. ERRORS
This request does never generate any errors. SEE ALSO
AUTHOR
Generated from randr.xml. Contact xcb@lists.freedesktop.org for corrections and improvements. XCB
2014-06-10 xcb_randr_get_crtc_gamma(3)
All times are GMT -4. The time now is 08:41 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy