07-15-2004
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
i have the following script that displays the current time until the user presses CTR + c.... but it does not work properly....
Something is not right with the trap command...
Help plz... :confused:
# script to continuously display current time.
# if script is terminated trap signal... (3 Replies)
Discussion started by: onlyc
3 Replies
2. UNIX for Dummies Questions & Answers
Dear All
could you please explain me what does the trap command do and how I can write a program which can work as a trap command(in C Language). (1 Reply)
Discussion started by: mobile01
1 Replies
3. Programming
Could anybody tell me what the trap command does and how it performs the action it does. I had read the trap manual page but it is too concise that nothing is clear about it. Please tell how it works. (1 Reply)
Discussion started by: mobile01
1 Replies
4. Shell Programming and Scripting
Hi,
I would like to know the use of TRAP command. I am very new to the UNIX environment. I have just started learning the basic. So please teach me in a very simple way to understand.
Also i would like to know the use of following command:
trap 'dialog --msgbox "Script Aborted1" 6 50 ;... (2 Replies)
Discussion started by: Deepakh
2 Replies
5. Shell Programming and Scripting
Hi folks,
I have tried to add some trap detection in the below script....this script is used to monitor database activities...in a rather awkward way :rolleyes:....
The idea behind adding trap is that....this script creates lots of temporary files in the running folder to store the count... (1 Reply)
Discussion started by: frozensmilz
1 Replies
6. UNIX for Advanced & Expert Users
Hello experts!
I need to know the use of trap command please
In one of our program we have trap "rm -f temp1 ; exit 1" 1 2 15 0
and program always exit with 1
there is a rm -f temp1 as well at the end of the program
as
rm -f temp1
exit 0
when I test a probram with set... (4 Replies)
Discussion started by: ramshree01
4 Replies
7. UNIX for Dummies Questions & Answers
I'm learning about the trap command from my bash book. I tried out the little script they gave:
trap "echo 'You hit control-C!' " INT
while true; do
sleep 60
done
But when I type control-c, the script just stops and the message is not displayed. I checked stty all and saw that control-c... (11 Replies)
Discussion started by: Straitsfan
11 Replies
8. Shell Programming and Scripting
dear all;
I can't under stand what does "trap" command do:
for example see below:
trap "echo; echo no interrupts >&2; sleep 3" 2 3 15
Plz , can any body explain the action of this command?
BR (3 Replies)
Discussion started by: ahmad.diab
3 Replies
9. Homework & Coursework Questions
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
That is the last reply I received from my instructor, and I'm looking for some alternatives.
When using... (2 Replies)
Discussion started by: newuser45
2 Replies
10. Shell Programming and Scripting
Hi Folks -
For some reason, my trap command is not working. It's placed just prior to a normal exit:
#:: ------------------------------------------------------------------------
#::-- Script Name: LCM_Backup.sh
#::
#::-- Description: This script leverages Utility.sh to perform LCM... (16 Replies)
Discussion started by: SIMMS7400
16 Replies
LEARN ABOUT CENTOS
xcb_randr_get_screen_resources_crtcs_end
xcb_randr_get_screen_resources(3) XCB Requests xcb_randr_get_screen_resources(3)
NAME
xcb_randr_get_screen_resources -
SYNOPSIS
#include <xcb/randr.h>
Request function
xcb_randr_get_screen_resources_cookie_t xcb_randr_get_screen_resources(xcb_connection_t *conn, xcb_window_t window);
Reply datastructure
typedef struct xcb_randr_get_screen_resources_reply_t {
uint8_t response_type;
uint8_t pad0;
uint16_t sequence;
uint32_t length;
xcb_timestamp_t timestamp;
xcb_timestamp_t config_timestamp;
uint16_t num_crtcs;
uint16_t num_outputs;
uint16_t num_modes;
uint16_t names_len;
uint8_t pad1[8];
} xcb_randr_get_screen_resources_reply_t;
Reply function
xcb_randr_get_screen_resources_reply_t *xcb_randr_get_screen_resources_reply(xcb_connection_t *conn,
xcb_randr_get_screen_resources_cookie_t cookie, xcb_generic_error_t **e);
Reply accessors
xcb_randr_crtc_t *xcb_randr_get_screen_resources_crtcs(const xcb_randr_get_screen_resources_request_t *reply);
int xcb_randr_get_screen_resources_crtcs_length(const xcb_randr_get_screen_resources_reply_t *reply);
xcb_generic_iterator_t xcb_randr_get_screen_resources_crtcs_end(const xcb_randr_get_screen_resources_reply_t *reply);
xcb_randr_output_t *xcb_randr_get_screen_resources_outputs(const xcb_randr_get_screen_resources_request_t *reply);
int xcb_randr_get_screen_resources_outputs_length(const xcb_randr_get_screen_resources_reply_t *reply);
xcb_generic_iterator_t xcb_randr_get_screen_resources_outputs_end(const xcb_randr_get_screen_resources_reply_t *reply);
xcb_randr_mode_info_t *xcb_randr_get_screen_resources_modes(const xcb_randr_get_screen_resources_request_t *reply);
int xcb_randr_get_screen_resources_modes_length(const xcb_randr_get_screen_resources_reply_t *reply);
xcb_randr_mode_info_iterator_t xcb_randr_get_screen_resources_modes_iterator(const xcb_randr_get_screen_resources_reply_t *reply);
uint8_t *xcb_randr_get_screen_resources_names(const xcb_randr_get_screen_resources_request_t *reply);
int xcb_randr_get_screen_resources_names_length(const xcb_randr_get_screen_resources_reply_t *reply);
xcb_generic_iterator_t xcb_randr_get_screen_resources_names_end(const xcb_randr_get_screen_resources_reply_t *reply);
REQUEST ARGUMENTS
conn The XCB connection to X11.
window TODO: NOT YET DOCUMENTED.
REPLY FIELDS
response_type
The type of this reply, in this case XCB_RANDR_GET_SCREEN_RESOURCES. 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).
timestamp TODO: NOT YET DOCUMENTED.
config_timestamp
TODO: NOT YET DOCUMENTED.
num_crtcs TODO: NOT YET DOCUMENTED.
num_outputs
TODO: NOT YET DOCUMENTED.
num_modes TODO: NOT YET DOCUMENTED.
names_len TODO: NOT YET DOCUMENTED.
DESCRIPTION
RETURN VALUE
Returns an xcb_randr_get_screen_resources_cookie_t. Errors have to be handled when calling the reply function xcb_randr_get_screen_re-
sources_reply.
If you want to handle errors in the event loop instead, use xcb_randr_get_screen_resources_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_screen_resources(3)