[cairo-bugs] [Bug 27344] New: _cairo_atomic_mutex not initialized

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=27344

           Summary: _cairo_atomic_mutex not initialized
           Product: cairo
           Version: 1.9.6
          Platform: x86 (IA32)
        OS/Version: Windows (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
        AssignedTo: cworth at cworth.org
        ReportedBy: gillen.christian at gmail.com
         QAContact: cairo-bugs at cairographics.org


Hi, 

I compiled a static build of cairo on Windows with MSVC9.
I'm using only the svg surface. If the the cairo_create call fails (because I
set an invalid filename) _cairo_set_error is called which results in an access
violation in the _cairo_atomic_int_cmpxchg function. The reason is that
_cairo_atomic_mutex hasn't been initialized at that point. 

If I call CAIRO_MUTEX_INIT(_cairo_atomic_mutex) or CAIRO_MUTEX_INITIALIZE()
before that point everything works as expected.


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