forked from old/legacy-imlib2
Only check XShmAttach once in __imlib_ShmGetXImage().
SVN revision: 46334
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7bf03a945c
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@ -38,7 +38,7 @@ __imlib_ShmCheck(Display * d)
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{
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/* if its there set x_does_shm flag */
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if (XShmQueryExtension(d))
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x_does_shm = 1;
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x_does_shm = 2; /* 2: __imlib_ShmGetXImage tests first XShmAttach */
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/* clear the flag - no shm at all */
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else
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x_does_shm = 0;
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@ -69,17 +69,25 @@ __imlib_ShmGetXImage(Display * d, Visual * v, Drawable draw, int depth,
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{
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XErrorHandler ph;
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if (x_does_shm == 2)
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{
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/* setup a temporary error handler */
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_x_err = 0;
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XSync(d, False);
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ph = XSetErrorHandler((XErrorHandler) TmpXError);
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}
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/* ask X to attach to the shared mem segment */
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XShmAttach(d, si);
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if (draw != None)
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XShmGetImage(d, draw, xim, x, y, 0xffffffff);
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if (x_does_shm == 2)
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{
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/* wait for X to reply and do this */
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XSync(d, False);
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/* reset the error handler */
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XSetErrorHandler((XErrorHandler) ph);
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x_does_shm = 1;
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}
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/* if we attached without an error we're set */
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if (_x_err == 0)
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