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UNIX for Advanced & Expert Users
at queues
Post 11456 by wizard on Wednesday 5th of December 2001 03:35:13 PM
12-05-2001
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#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);
}
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LEARN ABOUT OSF1
atq
atq(1) General Commands Manual atq(1) NAME
atq - Prints the queue of jobs waiting to be run SYNOPSIS
atq [-c | -n] [-q queuename] [user...] The atq command prints the queue of jobs waiting to be run at a later date. These jobs were created with the at command. OPTIONS
Sorts the queue by the time that the at command was issued. Prints only the number of files currently in the queue. Specifies the queue you want to use. DESCRIPTION
With no options, the queue is sorted in the order that the jobs are to be executed. When a privileged user invokes the atq command without specifying a username, the entire queue is displayed; if a username is specified, only those jobs belonging to the specified user are displayed. EXAMPLES
In order to look at the queue created by the at command, enter: atq If there are jobs in the queue, a message similar to the following is displayed: root.62169200.a Tue Sep 12 11:00:00 1990 The extension specifies an at job. FILES
Main cron directory. List of allowed users. List of denied users. Spool area. Queue description file for at, batch, and cron. SEE ALSO
Commands: at(1), atrm(1), cron(8) Files: queuedefs(4) atq(1)