The exact code is in Re:^2.

But to be even more exact, the data I put in the test dat files is exactly two lines:

world
hello

Though I tried a 1-9 approach as you did in Re:^3 and it didn't change the result. And the exact .bat script for looping the test until it hangs is also in Re:^2: 

LOOP:
perl thread2.pl
goto LOOP

[download]

On 3 out of 5 machines I tried it hangs immediately just after the first output of the system() results of the threads, on the other two machines it loops a few times then hangs at various points. On those machines it takes less than 60 seconds to produce a hang. -- Sync

In reply to Re^8: Behavior of threads on XP-- system() works, backtic & popen don't... by Sync
in thread Behavior of threads on XP-- system() works, backtic & popen don't... by Sync

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