os: Clear the -displayfd option after closing the file
Failing to clear this means that we'll attempt to write the display number to a random file descriptor on subsequent X server generations. Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Jamey Sharp <jamey@minilop.net>
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@ -356,6 +356,7 @@ NotifyParentProcess(void)
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write(displayfd, display, strlen(display));
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write(displayfd, "\n", 1);
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close(displayfd);
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displayfd = -1;
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}
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if (RunFromSmartParent) {
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if (ParentProcess > 1) {
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