diff options
| -rw-r--r-- | src/misc/syslog.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/src/misc/syslog.c b/src/misc/syslog.c index e026f9b4..9dd1ddb5 100644 --- a/src/misc/syslog.c +++ b/src/misc/syslog.c @@ -48,12 +48,8 @@ void closelog(void) static void __openlog() { - int fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0); - if (fd < 0) return; - if (connect(fd, (void *)&log_addr, sizeof log_addr) < 0) - close(fd); - else - log_fd = fd; + log_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0); + if (log_fd >= 0) connect(log_fd, (void *)&log_addr, sizeof log_addr); } void openlog(const char *ident, int opt, int facility) @@ -78,6 +74,11 @@ void openlog(const char *ident, int opt, int facility) pthread_setcancelstate(cs, 0); } +static int is_lost_conn(int e) +{ + return e==ECONNREFUSED || e==ECONNRESET || e==ENOTCONN || e==EPIPE; +} + static void _vsyslog(int priority, const char *message, va_list ap) { char timebuf[16]; @@ -107,7 +108,10 @@ static void _vsyslog(int priority, const char *message, va_list ap) if (l2 >= sizeof buf - l) l = sizeof buf - 1; else l += l2; if (buf[l-1] != '\n') buf[l++] = '\n'; - if (send(log_fd, buf, l, 0) < 0 && (log_opt & LOG_CONS)) { + if (send(log_fd, buf, l, 0) < 0 && (!is_lost_conn(errno) + || connect(log_fd, (void *)&log_addr, sizeof log_addr) < 0 + || send(log_fd, buf, l, 0) < 0) + && (log_opt & LOG_CONS)) { fd = open("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC); if (fd >= 0) { dprintf(fd, "%.*s", l-hlen, buf+hlen); |