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From: | Jason Hood <jadoxa AT yahoo DOT com DOT au> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: detecting process termination |
Date: | Thu, 28 Oct 2004 03:07:24 +1000 |
Lines: | 26 |
Message-ID: | <417FD5CC.EAFAB927@yahoo.com.au> |
References: | <n24vn0tt5b4nuoilg0bm9b3u0buqs8djta AT 4ax DOT com> <2u9j4kF27tti9U2 AT uni-berlin DOT de> |
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To: | djgpp AT delorie DOT com |
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Hans-Bernhard Broeker wrote: > > rafael-_no-spam_- AT _-please-_geninfor DOT com wrote: > > I would like to detect when the user clic on the X button to close the > > process in which is running my program under Windows. > > > I thought it could be possible using signal() but I see SIGKILL and > > SIGTERM are "currently unused". > > > ¿Is there any chance to know the program end is coming? > > Not the one induced by the Windows 'X' button: that one kills your > virtual DOS machine ("VDM"), i.e. it doesn't even try to talk to your > running DOS program. That's why you get a warning dialog if you use > it ("Windows cannot shut down this program...") in essentially all > situations but one: when command.com is idling on the command line > (sometimes it takes a 'cls' for Windows to recognize this state). Actually, you should be able to use the "close awareness" functions to recognise the 'X' button. Check out RBIL[1], Int2F/AX=168F. Not sure if they work on the NT family, but they do work in 9X (I needed them in CmdEdit to enable COMMAND.COM to close). [1] Ralf Brown's Interrupt List Jason.
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