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The current SIGINT handling of dbus-monitor ain't making too many people happy since it defers the exit to the next msg received -- which might be quite some time away often enough. This patch replaces the SIGINT handling by simply enabling line-buffered IO for STDOUT so that even if you redirect dbus-monitor into a file no lines get accidently lost and the effect of C-c is still immediate. halfline came up with the great idea to use setvbuf here instead of fflush()ing after each printf(). (Oh and the old signal handler was broken anyway, the flag should have been of type sigatomic_t and be marked volatile) Signed-off-by: Colin Walters <walters@verbum.org>
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