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* exceptions.cc (ctrl_c_handler): Only exit TRUE on CTRL_LOGOFF_EVENT when we 

have actually handled the event.
This commit is contained in:
Christopher Faylor 2006-04-18 16:24:54 +00:00
parent d76895a142
commit 4c6f65fc7c
2 changed files with 17 additions and 20 deletions
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5
winsup/cygwin/ChangeLog
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@ -1,3 +1,8 @@
2006-04-18 Christopher Faylor <cgf@timesys.com>
* exceptions.cc (ctrl_c_handler): Only exit TRUE on CTRL_LOGOFF_EVENT
when we have actually handled the event.
2006-04-17 Eric Blake <ebb9@byu.net>
* mktemp.cc (_gettemp): Open temp files in binary mode.

32
winsup/cygwin/exceptions.cc
View File

@ -929,26 +929,18 @@ ctrl_c_handler (DWORD type)
}
if (!saw_close && type == CTRL_LOGOFF_EVENT)
{
#if 0
/* CV, 2005-09-08: The CTRL_LOGOFF_EVENT is only send to services.
It's send when *any* user logs off. Services generally have
a modified console handler which allows services to survive
also after a user logged out, even if the service has a console
window attached to the visible window station of the user
("Interact with desktop"). The below code contradicts this
standard behaviour, so for now, we disable it and just return
FALSE to get the default behaviour or the one the application's
own console handler (if any) requires.
In other words: We never send SIGHUP to services and their
child processes on a LOGOFF event. */
/* Check if the process is actually associated with a visible
window station, one which actually represents a visible desktop.
If not, the CTRL_LOGOFF_EVENT doesn't concern this process. */
if (has_visible_window_station ())
sig_send (myself_nowait, SIGHUP);
#endif
return TRUE;
/* The CTRL_LOGOFF_EVENT is sent when *any* user logs off.
The below code sends a SIGHUP only if it is not performing the
default activity for SIGHUP. Note that it is possible for two
SIGHUP signals to arrive if a process group leader is exiting
too. Getting this 100% right is saved for a future cygwin mailing
list goad. */
if (global_sigs[SIGHUP].sa_handler != SIG_DFL)
{
sig_send (myself_nowait, SIGHUP);
return TRUE;
}
return FALSE;
}
}