From: Marko Kreen <markokr@gmail.com>
Date: Thu, 6 Sep 2007 20:19:47 +0000 (+0000)
Subject: long-lived logfile fd
X-Git-Tag: pgbouncer_1_1~30
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c35901fbe85d69bbb1dccfd05bcd3369791cb901;p=pgbouncer

long-lived logfile fd
---

diff --git a/src/main.c b/src/main.c
index 3816e3b..263366e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -228,6 +228,9 @@ void load_config(bool reload)
 
 	/* reset pool_size */
 	config_postprocess();
+
+	/* reopen logfile */
+	close_logfile();
 }
 
 /*
diff --git a/src/util.c b/src/util.c
index 9f9aa84..b085f96 100644
--- a/src/util.c
+++ b/src/util.c
@@ -45,6 +45,27 @@ static void render_time(char *buf, int max)
 	strftime(buf, max, "%Y-%m-%d %H:%M:%S", &tm);
 }
 
+static int log_fd = 0;
+
+void close_logfile(void)
+{
+	if (log_fd > 0) {
+		safe_close(log_fd);
+		log_fd = 0;
+	}
+}
+
+static int open_logfile(void)
+{
+	if (!log_fd) {
+		int fd = open(cf_logfile, O_CREAT | O_APPEND | O_WRONLY, 0644);
+		if (fd < 0)
+			return -1;
+		log_fd = fd;
+	}
+	return log_fd;
+}
+
 static void _log_write(const char *pfx, const char *msg)
 {
 	char buf[1024];
@@ -54,7 +75,7 @@ static void _log_write(const char *pfx, const char *msg)
 	len = snprintf(buf, sizeof(buf), "%s %u %s %s\n",
 			tbuf, (unsigned)getpid(), pfx, msg);
 	if (cf_logfile) {
-		int fd = open(cf_logfile, O_CREAT | O_APPEND | O_WRONLY, 0644);
+		int fd = open_logfile();
 		if (fd > 0) {
 			safe_write(fd, buf, len);
 			safe_close(fd);
diff --git a/src/util.h b/src/util.h
index 0333b31..6a3d03a 100644
--- a/src/util.h
+++ b/src/util.h
@@ -44,6 +44,7 @@ void log_level(const char *level, const char *s, ...);
 		if (cf_verbose > 1) log_level("NOISE", ## args); \
 	} while (0)
 
+void close_logfile(void);
 
 /*
  * logging about specific socket