I wrote: > Just noticing that ExceptionalCondition has an "fflush(stderr);" > in front of what you added --- perhaps you should also add one > after the backtrace_symbols_fd call? It's not clear to me that > that function guarantees to fflush, nor do I want to assume that > abort() does.
Oh, wait, it's writing to fileno(stderr) so it couldn't be buffering anything. Disregard ... regards, tom lane