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1. Shell Programming and Scripting
I'm trying to run a alarm.sh using crontab, which play a song as
an alarm at 6.15 am. I'm using amixer so that volume increases by 10% in every loop.
My script is the following.
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PLAYER=/usr/bin/mplayer
SONG=/home/hbar/Music/song.mp3
DISPLAY=:0.0
15 06 * * *... (10 Replies)
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2. What is on Your Mind?
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any know how became a friend in this Android Programming Language (0 Replies)
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3. Shell Programming and Scripting
Hi All,
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5. Programming
I'm writing a function right now, and I want to set an alarm to avoid a timeout, here's the general idea of my code:
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6. Shell Programming and Scripting
Hi members, I am working in WebSphere in Unix environment. we are working with 500 odd servers and most of the times processes got down. Can i have any shell script through whih some popup with alarm get raised whenever some server get down. kindly help.. Thanks Rishi (1 Reply)
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Hey,
I want to ask a simple Question....
How would I be able to come to know that files/directoires in a Parent directory has been accessed (means contents of the file has been just viewed) by the user(s) in a group ? and mail the name(s) of those files/directories which has been accessed... (16 Replies)
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I am trying to write a signal to exit when a process times out. What I have come up with from poking around the web is this.
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10. UNIX for Dummies Questions & Answers
Hi,
when I execute a script on unix AIX, I've got an error message:
"Execution: 85328 Signal d'alarme".
If I edit this file with "vi", I ve got the same error after a while (about 1 minute).
If I try with another user I still have the problem.
But if I rename this file, no problem.
My... (5 Replies)
Discussion started by: cgsteph
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alarm(2) System Calls alarm(2)
NAME
alarm - schedule an alarm signal
SYNOPSIS
#include <unistd.h>
unsigned int alarm(unsigned int seconds);
DESCRIPTION
The alarm() function causes the system to generate a SIGALRM signal for the process after the number of real-time seconds specified by sec-
onds have elapsed (see signal.h(3HEAD)). Processor scheduling delays may prevent the process from handling the signal as soon as it is
generated.
If seconds is 0, a pending alarm request, if any, is cancelled. If seconds is greater than LONG_MAX/hz, seconds is rounded down to
LONG_MAX/hz. The value of hz is normally 100.
Alarm requests are not stacked; only one SIGALRM generation can be scheduled in this manner; if the SIGALRM signal has not yet been gen-
erated, the call will result in rescheduling the time at which the SIGALRM signal will be generated.
The fork(2) function clears pending alarms in the child process. A new process image created by one of the exec(2) functions inherits the
time left to an alarm signal in the old process's image.
RETURN VALUES
If there is a previous alarm request with time remaining, alarm() returns a non-zero value that is the number of seconds until the
previous request would have generated a SIGALRM signal. Otherwise, alarm() returns 0.
ERRORS
The alarm() function is always successful; no return value is reserved to indicate an error.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |Async-Signal-Safe |
+-----------------------------+-----------------------------+
SEE ALSO
exec(2), fork(2), signal.h(3HEAD), attributes(5), standards(5)
SunOS 5.11 6 Jun 2007 alarm(2)
