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Top Forums Shell Programming and Scripting background process return code Post 302076214 by Vikas Sood on Friday 9th of June 2006 08:44:32 PM
Old 06-09-2006
25 is the upper limit

Jim

Once again, thanks for your script. I tested it out and found out that there is a upper limit of 25. Contrary to what I thought, it looks like 25 is not the limit of "wait" but apparantly it is the limit on number of background job I can submit.

If I want to run the archive script for even 26 times, it gives me following error:

bg.ksh[6]: cannot fork - try again

I guess this is some sort of limit set by sysadmin??

Anyways, for the time being, i guess that would serve my purpose.

Thanks again
 

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SET_TIME_LIMIT(3)							 1							 SET_TIME_LIMIT(3)

set_time_limit - Limits the maximum execution time

SYNOPSIS
bool set_time_limit (int $seconds) DESCRIPTION
Set the number of seconds a script is allowed to run. If this is reached, the script returns a fatal error. The default limit is 30 sec- onds or, if it exists, the max_execution_time value defined in the php.ini. When called, set_time_limit(3) restarts the timeout counter from zero. In other words, if the timeout is the default 30 seconds, and 25 seconds into script execution a call such as set_time_limit(20) is made, the script will run for a total of 45 seconds before timing out. PARAMETERS
o $seconds - The maximum execution time, in seconds. If set to zero, no time limit is imposed. RETURN VALUES
Returns TRUE on success, or FALSE on failure. NOTES
Warning This function has no effect when PHP is running in safe mode. There is no workaround other than turning off safe mode or changing the time limit in the php.ini. Note The set_time_limit(3) function and the configuration directive max_execution_time only affect the execution time of the script itself. Any time spent on activity that happens outside the execution of the script such as system calls using system(3), stream operations, database queries, etc. is not included when determining the maximum time that the script has been running. This is not true on Windows where the measured time is real. SEE ALSO
max_execution_time, max_input_time. PHP Documentation Group SET_TIME_LIMIT(3)
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