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Re: ^Z can't suspend less in the tty mode

To: cygwin-developers at sourceware dot cygnus dot com
Subject: Re: ^Z can't suspend less in the tty mode
From: Chris Faylor <cgf at cygnus dot com>
Date: Tue, 9 May 2000 08:51:05 -0400
References: <779F20BCCE5AD31186A50008C75D9979171722@silldn_mail1.sanwaint.com> <s1sem7byl92.fsf@jaist.ac.jp>
Reply-To: cygwin-developers at sourceware dot cygnus dot com

On Tue, May 09, 2000 at 09:13:29PM +0900, Kazuhiro Fujieda wrote:
>>>> On Tue, 9 May 2000 10:41:59 +0100 
>>>> "Fifer, Eric" <EFifer@sanwaint.com> said:
>
>> What is happening is that when SIGTSTP is caught the signal
>> handler does a longjmp().  And, when the thread restarts at the
>> setjmp() the signal mask is not restored.
>
>I can understand what is the problem. less wants setjmp() and
>longjmp() to do more than what they can do in Cygwin.

Yes.  At some point we should implement a sigsetjmp and siglongjmp.

cgf

References:
- RE: ^Z can't suspend less in the tty mode
  - From: Fifer, Eric
- Re: ^Z can't suspend less in the tty mode
  - From: Kazuhiro Fujieda

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