From: ulan@chromium.org <ulan@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Tue, 2 Apr 2013 12:20:50 +0000 (+0000)
Subject: ARM: Log an error if /proc/cpuinfo cannot be opened
X-Git-Tag: upstream/4.7.83~14725
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fed279a5535e87635e70cffd44e4b2f86b97660a;p=platform%2Fupstream%2Fv8.git

ARM: Log an error if /proc/cpuinfo cannot be opened

This will make it easier to see if the current CPU feature detection
starts breaking because of process sandboxing.

BUG=v8:2597

Review URL: https://chromiumcodereview.appspot.com/13465003
Patch from Hans Wennborg <hans@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14112 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---

diff --git a/src/platform-linux.cc b/src/platform-linux.cc
index d21f160..1f9cde1 100644
--- a/src/platform-linux.cc
+++ b/src/platform-linux.cc
@@ -111,8 +111,10 @@ static bool CPUInfoContainsString(const char * search_string) {
   FILE* f = NULL;
   const char* what = search_string;
 
-  if (NULL == (f = fopen(file_name, "r")))
+  if (NULL == (f = fopen(file_name, "r"))) {
+    OS::PrintError("Failed to open /proc/cpuinfo\n");
     return false;
+  }
 
   int k;
   while (EOF != (k = fgetc(f))) {