01-12-2009
I don't think pthreads() will help you here regardless, especially if Expansion is relatively quick. It also looks as if each iteration of the loop depends on the completion of the previous iteration. So it probably makes more sense to parallelize an outer loop (the one you have not shown us).
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LEARN ABOUT OPENSOLARIS
continue
continue(1T) Tcl Built-In Commands continue(1T)
__________________________________________________________________________________________________________________________________________________
NAME
continue - Skip to the next iteration of a loop
SYNOPSIS
continue
_________________________________________________________________
DESCRIPTION
This command is typically invoked inside the body of a looping command such as for or foreach or while. It returns a TCL_CONTINUE code,
which causes a continue exception to occur. The exception causes the current script to be aborted out to the innermost containing loop
command, which then continues with the next iteration of the loop. Catch exceptions are also handled in a few other situations, such as
the catch command and the outermost scripts of procedure bodies.
EXAMPLE
Print a line for each of the integers from 0 to 10 except 5:
for {set x 0} {$x<10} {incr x} {
if {$x == 5} {
continue
}
puts "x is $x"
}
SEE ALSO
break(1T), for(1T), foreach(1T), return(1T), while(1T)
KEYWORDS
continue, iteration, loop
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+--------------------+-----------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-----------------+
|Availability | SUNWTcl |
+--------------------+-----------------+
|Interface Stability | Uncommitted |
+--------------------+-----------------+
NOTES
Source for Tcl is available on http://opensolaris.org.
Tcl continue(1T)