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    SubjectRe: fork() Problem?
    David Miller wrote:
    > Date: Wed, 5 May 1999 09:19:54 +0300 (EEST)
    > From: Yavuz Selim Komur <>
    > Problem is sequence error.
    > if (pid = fork())
    > printf("Main Program");
    > else
    > printf("Child Program");
    > it's clear?
    > So Linux runs the child before the parent in your test runs, whereas
    > the opposite is true on other systems. Is this a problem?

    This is a classical optimization: In 99 out of 100 cases, the "child"
    will perform an "exec" in a few milliseconds. The possibility is there
    that that will require disk IO. At that time the parent will get the
    chance to do its thingy: run on until the "wait" system call (about 98
    percent of the cases...)


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