diff options
| -rw-r--r-- | sysklogd/syslogd.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sysklogd/syslogd.c b/sysklogd/syslogd.c index d36d09caf..fc380d9f9 100644 --- a/sysklogd/syslogd.c +++ b/sysklogd/syslogd.c @@ -594,6 +594,14 @@ static void log_locally(time_t now, char *msg, logFile_t *log_file) } /* newFile == "f.0" now */ rename(log_file->path, newFile); + /* Incredibly, if F and F.0 are hardlinks, POSIX + * _demands_ that rename returns 0 but does not + * remove F!!! + * (hardlinked F/F.0 pair was observed after + * power failure during rename()). + * Ensure old file is gone: + */ + unlink(log_file->path); #ifdef SYSLOGD_WRLOCK fl.l_type = F_UNLCK; fcntl(log_file->fd, F_SETLKW, &fl); |