[LLVMbugs] [Bug 6297] New: RWMutex.cpp and pthread on mingw

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=6297

           Summary: RWMutex.cpp and pthread on mingw
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Severity: major
          Priority: P2
         Component: Core LLVM classes
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: forumer at smartmobili.com
                CC: llvmbugs at cs.uiuc.edu


Hi,

on mingw platform RWMUtex.cpp asserts L87 due to the fact pthread doesnt'
support passing a non zero value to pthread_rwlock_init.

Here is a fix(tested):

$ svn diff RWMutex.cpp
Index: RWMutex.cpp
===================================================================
--- RWMutex.cpp (revision 96005)
+++ RWMutex.cpp (working copy)
@@ -83,7 +83,11 @@
 #endif

     // Initialize the rwlock
+#ifdef __MINGW32__
+    errorcode = pthread_rwlock_init(rwlock, 0);
+#else
     errorcode = pthread_rwlock_init(rwlock, &attr);
+#endif
     assert(errorcode == 0);

     // Destroy the attributes


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