[Xcb] [Bug 78140] New: The tutorial should have a section on error handling

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Apr 30 18:15:04 PDT 2014


          Priority: medium
            Bug ID: 78140
          Assignee: xcb at lists.freedesktop.org
           Summary: The tutorial should have a section on error handling
        QA Contact: xcb at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: sstewartgallus00 at mylangara.bc.ca
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Docs
           Product: XCB

The tutorial briefly mentions it in a few points but doesn't really give a good
explanation. This is especially confusing because XCB has two kinds of errors.
Errors that the X server sends the program (for example, the client violates
the protocol or the server runs out of memory) and errors that the program
generates internally (for example, an out of memory error or some low level
operating system socket system call generates an IO error).

GUI code is flakey in general and I already run my GUI in a separate process to
protect against program exits in library code and corruption but I'd still like
to do some obvious error checking.

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