[Bug 5856] wineconsole window sizing, scrolling, cursor setting, text input and signal handling failures

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=5856





------- Additional Comments From ekkehard.morgenstern(a)onlinehome.de  2006-05-08 02:29 -------
One thing I noticed about the Ctrl-C signal handler is, that the comment states
that it can get run from a system signal handler. On UNIX-like systems (like
GNU/Linux, AIX, Solaris), signal handling is implemenented very differently. The
lowest common denominator is "don't do anything more than setting a flag". This
is especially true on GNU/Linux, where signal handling varies between kernel
versions. While Kernel 2.6 has native threads, Kernel 2.4 doesn't, which also
changes the way signals are handled. Wine's console module starts a thread in a
signal handler, which is not allowed, and leads to a crash (at least on Kernel
2.6). The right way to do it would be to start a thread when the console is
opened that periodically checks signal flags set by the console. I.e. the
console signal handler would do nothing more than setting a flag, and hence
conforming to the signal handler rules of any UNIX-like platform. When I find
time, I will try to make some enhancements to the console.

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