commit 8f192cc6bb9906849a5811ce4a9aae7cdab9a994
author Brian Carlstrom <bdc@google.com> Mon Oct 18 15:37:24 2010 -0700
committer Brian Carlstrom <bdc@google.com> Mon Oct 18 15:37:24 2010 -0700
tree fcee5b137f9d872698d393326be211bf0d9f3365
parent fd9c61b2e56a4bb73ffd03d13504461e51a3611b

Open hprof files with O_TRUNC to avoid partial overwrites of existing files

Change-Id: I97a89071ad766005bb9f91661185dd901a35ae03

vm/hprof/Hprof.c

diff --git a/vm/hprof/Hprof.c b/vm/hprof/Hprof.c
index bcad8b1..28f81c7 100644
--- a/vm/hprof/Hprof.c
+++ b/vm/hprof/Hprof.c
@@ -131,7 +131,7 @@
                 /* continue to fail-handler below */
             }
         } else {
-            outFd = open(tailCtx->fileName, O_WRONLY|O_CREAT, 0644);
+            outFd = open(tailCtx->fileName, O_WRONLY|O_CREAT|O_TRUNC, 0644);
             if (outFd < 0) {
                 LOGE("can't open %s: %s\n", headCtx->fileName, strerror(errno));
                 /* continue to fail-handler below */