02-08-2010
GNU sleep accepts float numbers as argument. According to the POSIX specs, the literals "inf" or "infinity" are possible string representations of a float number.
See: POSIX specs at
strtod
The same is true for the sleep builtin function in the kornshell 93 which also accepts floats as arguments.
9 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
what is the purpose of the sleep command? (5 Replies)
Discussion started by: Anna
5 Replies
2. Shell Programming and Scripting
If I want a script to sleep for less than a second, would I use a decimal? In other words, if I wanted my script to sleep for 1/4 of a second, would I say, SLEEP .25 ?? (5 Replies)
Discussion started by: Scoogie
5 Replies
3. UNIX for Dummies Questions & Answers
Does anyone know a way to sleep less than 1 second?
Sometimes when I write scripts that iterates a loop many times it would be
nice to slow things down, but sometimes 1 second is too much. (9 Replies)
Discussion started by: bjorno
9 Replies
4. Programming
I have a function that quits a program when <ctrl>c is entered as per following code;
void quitter (void)
{
clear ();
mvprintw (QUITTER_ROW, QUITTER_COL, "Quitting...");
refresh ();
sleep (15);
endwin ();
exit (1);
}This function is called thus;
signal (SIGINT, quitter);
It... (2 Replies)
Discussion started by: enuenu
2 Replies
5. Shell Programming and Scripting
I am in need of some help; think I have confused myself.
Here is the issue I am faced with.
The script log file was fine, the nohup.out file has tens of thousands of lines like illegal use of sleep: sleep seconds
So I assume there is something with the seconds calculation in the script... (1 Reply)
Discussion started by: Glove
1 Replies
6. UNIX for Dummies Questions & Answers
Hi All I have a requiremnt to run a script inside another script.
here i am pulling the record count from the table in oracle.If record count is greater than 0 the script is executed.The scripts updates the count in the table and again the count is found out and the condition is checked and same... (3 Replies)
Discussion started by: dr46014
3 Replies
7. Shell Programming and Scripting
This is a very crude attempt in Bash at something that I needed but didn't seem to find in the 'sleep' command. However, I would like to be able to do it without the need for the temp file. Please go easy on me if this is already possible in some other way:
How many times have you used the... (5 Replies)
Discussion started by: deckard
5 Replies
8. Programming
Hi friends,
I hope everybody is doing fine. I have written this small c program for the merge_sort algorithm. The algorithm that I am following uses the value infinity. My question is, how to use this infinite value in this c program? I haved used a very large value (99999) instead of infinity,... (6 Replies)
Discussion started by: gabam
6 Replies
9. Shell Programming and Scripting
Hi,
I have a script that runs a process at the beginning and I want to sleep/wait until this process is finished and then continue with the rest of the script. I am trying with this, but it is not working:
process=`ps -ef | grep "proc_p01 -c" | grep -v grep | wc -l`
if ; do
sleep 10
done... (7 Replies)
Discussion started by: apenkov
7 Replies
LEARN ABOUT OPENSOLARIS
sleep
sleep(3UCB) SunOS/BSD Compatibility Library Functions sleep(3UCB)
NAME
sleep - suspend execution for interval
SYNOPSIS
/usr/ucb/cc [ flag ... ] file ...
int sleep(seconds)
unsigned seconds;
DESCRIPTION
sleep() suspends the current process from execution for the number of seconds specified by the argument. The actual suspension time may be
up to 1 second less than that requested, because scheduled wakeups occur at fixed 1-second intervals, and may be an arbitrary amount longer
because of other activity in the system.
sleep() is implemented by setting an interval timer and pausing until it expires. The previous state of this timer is saved and restored.
If the sleep time exceeds the time to the expiration of the previous value of the timer, the process sleeps only until the timer would have
expired, and the signal which occurs with the expiration of the timer is sent one second later.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|MT-Level |Async-Signal-Safe |
+-----------------------------+-----------------------------+
SEE ALSO
cc(1B), alarm(2), getitimer(2), longjmp(3C), siglongjmp(3C), sleep(3C), usleep(3C), attributes(5)
NOTES
Use of these interfaces should be restricted to only applications written on BSD platforms. Use of these interfaces with any of the system
libraries or in multi-thread applications is unsupported.
SIGALRM should not be blocked or ignored during a call to sleep(). Only a prior call to alarm(2) should generate SIGALRM for the calling
process during a call to sleep(). A signal-catching function should not interrupt a call to sleep() to call siglongjmp(3C) or longjmp(3C)
to restore an environment saved prior to the sleep() call.
WARNINGS
sleep() is slightly incompatible with alarm(2). Programs that do not execute for at least one second of clock time between successive calls
to sleep() indefinitely delay the alarm signal. Use sleep(3C). Each sleep(3C) call postpones the alarm signal that would have been sent
during the requested sleep period to occur one second later.
SunOS 5.11 30 Oct 2007 sleep(3UCB)