Problem: sigrelse() in winsup but not defined in signal.h

[Scott Finneran]

Hello Igor,

Thankyou for your reply. Firstly, yes I should have done a bit more 
reading before posting. I did as you suggested and downloaded the latest 
snapshot (winsup-src-20051108).

The problem that I experienced before still exists in the latest 
snapshot. sigrelse() is defined in winsup/cygwin/exceptions.cc but is 
not declared in signal.h (sighold() etc. are all declared here).

Producing a patch to fix this issue is a trivial task which I am more 
than happy to do. However, as this situation (defined but not declared) 
is such a show-stopper and cygwin always seems to be well tested I 
assumed that it was not a bug but some kind of a feature.

In other words, is the function implemented but not defined 
intentionally to prevent people from using it for some unspecified reason?

Any insight would be appreciated.

Cheers,

Scott


Igor Pechtchanski wrote:
> On Thu, 10 Nov 2005, Scott Finneran wrote:
> 
> 
>>I am trying to compile something under cygwin but am hitting a snag with
>>sigrelse(). I am running the latest binary downloaded by setup.exe.
> 
> 
> Please see <http://cygwin.com/problems.html> for instructions on reporting
> your Cygwin version properly.  However...
> 
> 
>>It appears to be defined in winsup/cygwin/exceptions.cc (in CVS) but is not
>>declared in signal.h so of course the compile fails.
>>
>>Is there any reason for this?
> 
> 
> There were some changes in CVS since the last official Cygwin release.
> Try installing a full snapshot from <http://cygwin.com/snapshots/> (make
> sure to get the -inst tarball, which includes the headers).
> HTH,
> 	Igor
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