From:	sos AT prospect DOT com DOT ru (Sergey Okhapkin)
Subject:	RE: Are Sergey's precomiled binaries(cygwin.dll.....) compatible with Win95?
16 Sep 1997 00:47:23 -0700 :
Message-ID:	<01BCC293.96E45A20.cygnus.gnu-win32@gater.krystalbank.msk.ru>
To:	"gnu-win32 AT cygnus DOT com" <gnu-win32 AT cygnus DOT com>,
	"'porcelin AT tpts5 DOT seed DOT net DOT tw'" <porcelin AT tpts5 DOT seed DOT net DOT tw>

porcelin Wang wrote:
> Are Sergey's latest precomiled binaries(cygwin.dll.....) compatible with
> Win95?
> If no, where is a one, and how to get it or make it by myself.

The signal handling with window messages is incompatible with non-reentrant 
16-bit user.exe module in Windows95... Windows 95 crashes when signal 
handler modifies the context of main thread while in user.exe code. The 
state of user.exe is unpredictable in this case.

I've just modified the cygwin code - do not send SIGCHLD to parent on child 
exit. It's the default behavior on windows 95 (it's still possible to 
override it with CYGWIN_SIGCHLD=1 environment variable). On NT the SIGCHLD 
signal is always sent to parent. My W95 machine runs now configure of cdk 
in one console, and the make of cdk in another console. I'll post the patch 
when the both processes will finish successfully:-)

--
Sergey Okhapkin, http://www.lexa.ru/sos
Moscow, Russia
Looking for a job.


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