fixbug for #4538 Error opening /setting AOF rewrite IPC pipes: No such file or directory

1 files changed, 6 insertions, 4 deletions

diff --git a/src/aof.c b/src/aof.c
index 98a962e77..f172d3050 100644
--- a/src/aof.c
+++ b/src/aof.c
@@ -237,11 +237,11 @@ void stopAppendOnly(void) {
  * at runtime using the CONFIG command. */
 int startAppendOnly(void) {
     char cwd[MAXPATHLEN]; /* Current working dir path for error messages. */
+    int newfd;
 
-    server.aof_last_fsync = server.unixtime;
-    server.aof_fd = open(server.aof_filename,O_WRONLY|O_APPEND|O_CREAT,0644);
+    newfd = open(server.aof_filename,O_WRONLY|O_APPEND|O_CREAT,0644);
     serverAssert(server.aof_state == AOF_OFF);
-    if (server.aof_fd == -1) {
+    if (newfd == -1) {
         char *cwdp = getcwd(cwd,MAXPATHLEN);
 
         serverLog(LL_WARNING,
@@ -256,13 +256,15 @@ int startAppendOnly(void) {
         server.aof_rewrite_scheduled = 1;
         serverLog(LL_WARNING,"AOF was enabled but there is already a child process saving an RDB file on disk. An AOF background was scheduled to start when possible.");
     } else if (rewriteAppendOnlyFileBackground() == C_ERR) {
-        close(server.aof_fd);
+        close(newfd);
         serverLog(LL_WARNING,"Redis needs to enable the AOF but can't trigger a background AOF rewrite operation. Check the above logs for more info about the error.");
         return C_ERR;
     }
     /* We correctly switched on AOF, now wait for the rewrite to be complete
      * in order to append data on disk. */
     server.aof_state = AOF_WAIT_REWRITE;
+    server.aof_last_fsync = server.unixtime;
+    server.aof_fd = newfd;
     return C_OK;
 }