[ANNOUNCEMENT] TEST RELEASE: Cygwin 2.2.0-0.2
Wed Jul 22 15:33:00 GMT 2015
On 7/22/2015 11:14 AM, Corinna Vinschen wrote:
> NEW: sigsetjmp and siglongjmp were only implemented as macros so far.
> POSIX requires functions longjmp and siglongjmp to exist. 2.2.0-0.2
> adds sigsetjmp and siglongjmp functions.
> 2.2.0 comes with four new functions: getcontext, setcontext,
> makecontext and swapcontext.
So I am wondering if signal handlers now have access to the full context,
including register values. There was at one time a desire to port Jikes RVM,
a research Java Virtual Machine, to cygwin, to get it running under Windows.
Lack of ability to obtain and modify the ucontext in a signal handler was
the sticking point. (It was needed in the case of, say, a null pointer
exception, to fake up the throwing of the Java exception when the signal
Regards -- Eliot Moss
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