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wait.2: Added FIXME
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@ -359,7 +359,10 @@ was specified and no child(ren) specified by
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.I id
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has yet changed state;
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on error, \-1 is returned.
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.\" FIXME: As reported by Vegard Nossum, if infop is NULL, then waitid()
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.\" returns the PID of the child. Either this is a bug, or it is intended
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.\" behavior that needs to be documented. See my Jan 2009 LKML mail
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.\" "waitid() return value strangeness when infop is NULL".
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Each of these calls sets
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.I errno
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to an appropriate value in the case of an error.
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