uuidd: improve socket activation error messaging
Tell more exactly what is wrong and how, and give hint how to recover when possible. Signed-off-by: Sami Kerola <kerolasa@iki.fi>
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@ -360,9 +360,17 @@ static void server_loop(const char *socket_path, const char *pidfile_path,
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#ifdef HAVE_LIBSYSTEMD
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if (uuidd_cxt->no_sock) {
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if (sd_listen_fds(0) != 1)
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errx(EXIT_FAILURE, _("no or too many file descriptors received"));
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const int ret = sd_listen_fds(0);
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if (ret < 0) {
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errno = ret * -1;
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err(EXIT_FAILURE, _("sd_listen_fds() failed"));
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} else if (ret == 0)
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errx(EXIT_FAILURE,
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_("no file descriptors received, check systemctl status uuidd.socket"));
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else if (1 < ret)
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errx(EXIT_FAILURE,
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_("too many file descriptors received, check uuidd.socket"));
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s = SD_LISTEN_FDS_START + 0;
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}
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#endif
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