allow sending fd to log on to the logger process

the logger process now can receive a file descriptor to write logs
to.  At the moment the logic is simple, if it receives a file it logs
there, otherwise it logs to syslog.  This will allow to log on custom
log files.

1 files changed, 9 insertions, 0 deletions

diff --git a/gmid.c b/gmid.c
index 88c9e00..bbfb308 100644
--- a/gmid.c
+++ b/gmid.c
@@ -508,7 +508,11 @@ setup_configless(int argc, char **argv, const char *cgi)
 	loc = xcalloc(1, sizeof(*loc));
 	TAILQ_INSERT_HEAD(&host->locations, loc, locations);
 
+	imsg_compose(&logibuf, IMSG_LOG_TYPE, 0, 0, 2, NULL, 0);
+	imsg_flush(&logibuf);
+
 	serve(argc, argv, NULL);
+
 	imsg_compose(&logibuf, IMSG_QUIT, 0, 0, -1, NULL, 0);
 	imsg_flush(&logibuf);
 }
@@ -623,6 +627,11 @@ main(int argc, char **argv)
 		return 0;
 	}
 
+	if (conf.foreground) {
+		imsg_compose(&logibuf, IMSG_LOG_TYPE, 0, 0, 2, NULL, 0);
+		imsg_flush(&logibuf);
+	}
+
 	pidfd = write_pidfile(pidfile);
 
 	/* Linux seems to call the event handlers even when we're