libX11: Changes to 'master'
jeremyhu at apple.com
Thu Mar 17 16:09:21 PDT 2011
There's been quite a bit of code churn in libX11, and I want to get Jamey's fixes out. If nobody yells at me not to in the next half hour or so, I'm going to tag/push an updated libX11 tag (1.4.2).
Thanks for those changes Jamey.
On Mar 15, 2011, at 16:57, Jamey Sharp wrote:
> src/XlibInt.c | 14 +++++++++++++-
> 1 file changed, 13 insertions(+), 1 deletion(-)
> New commits:
> commit 83e1ba59c48c79f8b0a7e7aa0b9c9cfd84fa403d
> Author: Jamey Sharp <jamey at minilop.net>
> Date: Tue Mar 15 16:48:07 2011 -0700
> Call _XErrorFunction without holding the Display lock.
> Historically, Xlib dropped the Display lock around the upcall to any
> user-supplied _XErrorFunction, but somewhere along the way I quit doing
> that if you built with XCB. The reasons are lost somewhere in the
> pre-git history of Xlib/XCB, and I can't now see any reason to hold the
> The documentation for XSetErrorHandler still applies though:
> Because this condition is not assumed to be fatal, it is acceptable
> for your error handler to return; the returned value is ignored.
> However, the error handler should not call any functions (directly
> or indirectly) on the display that will generate protocol requests
> or that will look for input events.
> So while you are now once again permitted to re-enter Xlib from the
> error handler, you're only allowed to call non-protocol functions.
> Signed-off-by: Jamey Sharp <jamey at minilop.net>
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