[Libreoffice-commits] online.git: common/SigUtil.cpp common/SigUtil.hpp wsd/LOOLWSD.cpp

[Miklos Vajna (via logerrit)]

 common/SigUtil.cpp |    6 +++++-
 common/SigUtil.hpp |    6 +++---
 wsd/LOOLWSD.cpp    |    4 ++--
 3 files changed, 10 insertions(+), 6 deletions(-)

New commits:
commit 35646b7bf954c97186a34dfd9ed5ee1e7f3e2fe7
Author:     Miklos Vajna <vmik...@collabora.com>
AuthorDate: Fri Aug 9 09:23:17 2019 +0200
Commit:     Miklos Vajna <vmik...@collabora.com>
CommitDate: Fri Aug 9 09:23:17 2019 +0200

    common: wrap DumpGlobalState in a getter function to avoid ODR violation
    
    Otherwise both loolwsd and unit-copy-paste.so would have a
    DumpGlobalState:
    
    ==5783==ERROR: AddressSanitizer: odr-violation (0x00000208f7a0):
      [1] size=1 'DumpGlobalState' ../common/SigUtil.cpp:49:19
      [2] size=1 'DumpGlobalState' common/SigUtil.cpp:49:19
    These globals were registered at these points:
      [1]:
        #0 0x5f9a08 in __asan_register_globals.part.13 
/home/vmiklos/git/libreoffice/lode/packages/llvm-472c6ef8b0f53061b049039f9775ab127beafbe4.src/compiler-rt/lib/asan/asan_globals.cc:365
        #1 0x7f5c5edf1c9b in asan.module_ctor 
(/home/vmiklos/git/libreoffice/online-san/test/../test/.libs/unit-copy-paste.so+0x60ac9b)
    
      [2]:
        #0 0x5f9a08 in __asan_register_globals.part.13 
/home/vmiklos/git/libreoffice/lode/packages/llvm-472c6ef8b0f53061b049039f9775ab127beafbe4.src/compiler-rt/lib/asan/asan_globals.cc:365
        #1 0xe2b98e in asan.module_ctor 
(/home/vmiklos/git/libreoffice/online-san/loolwsd+0xe2b98e)
    
    Change-Id: I4b7b0238eb9b38a30875e8788c1dcb27f1d1643f

diff --git a/common/SigUtil.cpp b/common/SigUtil.cpp
index c5029a229..49387b38d 100644
--- a/common/SigUtil.cpp
+++ b/common/SigUtil.cpp
@@ -39,14 +39,18 @@
 #include "Log.hpp"
 
 static std::atomic<bool> TerminationFlag(false);
+static std::atomic<bool> DumpGlobalState(false);
 namespace SigUtil
 {
     std::atomic<bool>& getTerminationFlag()
     {
         return TerminationFlag;
     }
+    std::atomic<bool>& getDumpGlobalState()
+    {
+        return DumpGlobalState;
+    }
 }
-std::atomic<bool> DumpGlobalState(false);
 
 #if MOBILEAPP
 std::atomic<bool> MobileTerminationFlag(false);
diff --git a/common/SigUtil.hpp b/common/SigUtil.hpp
index f3d620b92..ea7595ab6 100644
--- a/common/SigUtil.hpp
+++ b/common/SigUtil.hpp
@@ -24,10 +24,10 @@ namespace SigUtil
 {
     /// Flag to stop pump loops.
     std::atomic<bool>& getTerminationFlag();
-}
 
-/// Flag to dump internal state
-extern std::atomic<bool> DumpGlobalState;
+    /// Flag to dump internal state
+    std::atomic<bool>& getDumpGlobalState();
+}
 
 #if MOBILEAPP
 extern std::atomic<bool> MobileTerminationFlag;
diff --git a/wsd/LOOLWSD.cpp b/wsd/LOOLWSD.cpp
index fcf25e9cd..1493399f5 100644
--- a/wsd/LOOLWSD.cpp
+++ b/wsd/LOOLWSD.cpp
@@ -3141,10 +3141,10 @@ private:
 
         void wakeupHook() override
         {
-            if (DumpGlobalState)
+            if (SigUtil::getDumpGlobalState())
             {
                 dump_state();
-                DumpGlobalState = false;
+                SigUtil::getDumpGlobalState() = false;
             }
         }
     };
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