commit 9c65f4f5099d2827b2cc7283077a80d406bbbb06
author Josh Gao <jmgao@google.com> Wed Jan 18 23:58:23 2017 +0000
committer android-build-merger <android-build-merger@google.com> Wed Jan 18 23:58:23 2017 +0000
tree 8a8e725d35003cc4e000023024a6191bf57d4fa5
parent 467ecaff086c134640bed81ebe8d03ca73d3b339
parent 67e3e53dd960df578863913b86e8c1030f05e220

dumpstate: use O_APPEND for anr file. am: 989b812dcd am: b0f08f67fd
am: 67e3e53dd9

Change-Id: I446b797e3f8cb9d4299509fb34b84f5b25336300

cmds/dumpstate/utils.cpp

diff --git a/cmds/dumpstate/utils.cpp b/cmds/dumpstate/utils.cpp
index 7300ae8..1ee1bac 100644
--- a/cmds/dumpstate/utils.cpp
+++ b/cmds/dumpstate/utils.cpp
@@ -1018,8 +1018,10 @@
     }
 
     /* create a new, empty traces.txt file to receive stack dumps */
-    int fd = TEMP_FAILURE_RETRY(open(traces_path, O_CREAT | O_WRONLY | O_TRUNC | O_NOFOLLOW | O_CLOEXEC,
-                                     0666));  /* -rw-rw-rw- */
+    int fd = TEMP_FAILURE_RETRY(
+        open(traces_path,
+             O_CREAT | O_WRONLY | O_APPEND | O_TRUNC | O_NOFOLLOW | O_CLOEXEC,
+             0666)); /* -rw-rw-rw- */
     if (fd < 0) {
         MYLOGE("%s: %s\n", traces_path, strerror(errno));
         return NULL;