subshell & background function Post: 34804

9 More Discussions You Might Find Interesting

1. Programming

want to run a function in background

consider the given prg. main() { ..... function1(); /* to write into a file or log */ printf(" "); ..... } when the control reaches function1(), it should get executed in the background.At the same time main's printf(" ") statement should also get executed.i.e...

2. UNIX for Dummies Questions & Answers

alias for running in background &

Hi all, I am kinda new to this unix environment, and now I get confused to figure out this alias problem. I would like to make my xemacs to run in background every call, and I am trying to do it this way in .bashrc alias e='xemacs &* & ' i also tried e () { xemacs "&*" &} but they are...

3. Shell Programming and Scripting

A question about the PID of a background function

Dear all, I'm writing a KornShell script that calls inside it a function in background mode #!/bin/ksh function myfunction { . . .} myfunction |& . . . How can I capture the PID of the function myfunction that runs in background? Thanks in advance :)

4. AIX

Background & is considered as Idle

Our Aix Unix has one issue. If I type xedit & after 30 minutes, xedit auto shut down. If I type xedit xedit will run forward. I feel this & doesn't perform as it should be. When I use &, system consider this process as idle. How to fix this issue? Does this mean unix env...

5. Shell Programming and Scripting

A puzzle with a printing function executing in background

Somebody on a thread in the (french) Mandriva Forum recently suggested a script, designed to provide a tool to display kind of "temporisation widgets" on the console (to be ultimately pasted in other more complex scripts). One version of this script was something like the following, which seems...

6. Shell Programming and Scripting

Execute a function in background and then suspend it

Here is some back ground on the script. The script is to poll an arbitrary number of DB's. To do this I am creating a function that takes the file_path to the DB and the min poll interval as arguments. The function will be called for each DB and then ran in the background. The function I was...

7. Shell Programming and Scripting

While loop hangs in function running in background

Hello Everyone, I am writing a shell script to fetch log files from remote servers within a time range. It copies log files to local server, grep for date and then compares the time stamp of each log entry with the once specified. Below is the code. # Get log and Parsing function ...

8. UNIX for Dummies Questions & Answers

Implement the '&&' function in a shell

Hello, I'm currently implementing the && function in a shell using C. For example, if we input cmd1 && cmd2, then cmd2 executes only when cmd1 exits successfully. I'm thinking about: int main() { int i; char **args; while(1) { printf("yongfeng's shell:~$ "); args =...

9. Shell Programming and Scripting

Pass return value of a function in background process

Hi, I have created a function f1 defined in script A.sh .I have called this function in background . But I want to use its return value for another function f2 in script A.sh. I tried declaring it as a global variable, yet it always returns the status as 0. Is there any way with which I can get...

LEARN ABOUT CENTOS

xcb_randr_get_crtc_gamma_blue_length

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)