08-04-2002
1. No, you must be in error. I do that all the time. Unless script C worked very hard to locate and explicitly kill script A, script A should be fine.
2. There is no limit imposed by the shell, but computers are finite state machines. Eventually you will run out of process table entries or swap or some other resource.
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---------- Post updated at 01:39 AM ---------- Previous update was at 01:31 AM ----------
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LEARN ABOUT PHP
time_sleep_until
TIME_SLEEP_UNTIL(3) 1 TIME_SLEEP_UNTIL(3)
time_sleep_until - Make the script sleep until the specified time
SYNOPSIS
bool time_sleep_until (float $timestamp)
DESCRIPTION
Makes the script sleep until the specified $timestamp.
PARAMETERS
o $timestamp
- The timestamp when the script should wake.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.3.0 | |
| | |
| | This function is now available on Windows plat- |
| | forms. |
| | |
+--------+---------------------------------------------------+
ERRORS
/EXCEPTIONS
If the specified $timestamp is in the past, this function will generate a E_WARNING.
EXAMPLES
Example #1
A time_sleep_until(3) example
<?php
//returns false and generates a warning
var_dump(time_sleep_until(time()-1));
// may only work on faster computers, will sleep up to 0.2 seconds
var_dump(time_sleep_until(microtime(true)+0.2));
?>
NOTES
Note
All signals will be delivered after the script wakes up.
SEE ALSO
sleep(3), usleep(3), time_nanosleep(3), set_time_limit(3).
PHP Documentation Group TIME_SLEEP_UNTIL(3)