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* fhandler_tty.cc (fhandler_tty::ioctl): Semi-revert 2003-09-26 change for

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TIOCSWINSZ.  It is not an error for ioctl_request_event to be missing.
* sigproc.cc (pending_signals::save): New function.
(pending_signals::restore): Ditto.
(sig_clear): Save/restore current queue pointer.
(wait_sig): Delete signals marked as such.
* sigproc.h (__SIGDELETE): New enum.
This commit is contained in:
Christopher Faylor
2004-01-21 06:28:35 +00:00
parent 1284fa137f
commit bcb4223cbc
4 changed files with 32 additions and 11 deletions
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14
winsup/cygwin/ChangeLog
View File

@@ -1,3 +1,17 @@
2004-01-21 Christopher Faylor <cgf@redhat.com>
* fhandler_tty.cc (fhandler_tty::ioctl): Semi-revert 2003-09-26 change
for TIOCSWINSZ. It is not an error for ioctl_request_event to be
missing.
2004-01-20 Christopher Faylor <cgf@redhat.com>
* sigproc.cc (pending_signals::save): New function.
(pending_signals::restore): Ditto.
(sig_clear): Save/restore current queue pointer.
(wait_sig): Delete signals marked as such.
* sigproc.h (__SIGDELETE): New enum.
2004-01-20 Christopher Faylor <cgf@redhat.com>
* include/cygwin/version.h: Bump DLL minor number to 8.

12
winsup/cygwin/fhandler_tty.cc
View File

@@ -1,6 +1,6 @@
/* fhandler_tty.cc
Copyright 1997, 1998, 2000, 2001, 2002, 2003 Red Hat, Inc.
Copyright 1997, 1998, 2000, 2001, 2002, 2003, 2004 Red Hat, Inc.
This file is part of Cygwin.
@@ -1102,18 +1102,20 @@ fhandler_tty_slave::ioctl (unsigned int cmd, void *arg)
if (get_ttyp ()->winsize.ws_row != ((struct winsize *) arg)->ws_row
|| get_ttyp ()->winsize.ws_col != ((struct winsize *) arg)->ws_col)
{
if (!ioctl_request_event)
get_ttyp ()->arg.winsize = *(struct winsize *) arg;
if (ioctl_request_event)
{
get_ttyp ()->ioctl_retval = -EINVAL;
SetEvent (ioctl_request_event);
}
else
{
get_ttyp ()->arg.winsize = *(struct winsize *) arg;
SetEvent (ioctl_request_event);
get_ttyp ()->winsize = *(struct winsize *) arg;
killsys (-get_ttyp ()->getpgid (), SIGWINCH);
}
if (ioctl_done_event)
WaitForSingleObject (ioctl_done_event, INFINITE);
}
}
break;
case TIOCLINUX:
int val = *(unsigned char *) arg;

10
winsup/cygwin/sigproc.cc
View File

@@ -61,6 +61,8 @@ public:
void add (sigpacket&);
void del ();
sigpacket *next ();
sigpacket *save () const {return curr;}
void restore (sigpacket *saved) {curr = saved;}
friend int __stdcall sig_dispatch_pending ();
};
@@ -543,14 +545,16 @@ sig_clear (int target_sig)
sig_send (myself, -target_sig);
else
{
sigqueue.reset ();
sigpacket *q;
sigpacket *save = sigqueue.save ();
sigqueue.reset ();
while ((q = sigqueue.next ()))
if (q->si.si_signo == target_sig)
{
sigqueue.del ();
q->si.si_signo = __SIGDELETE;
break;
}
sigqueue.restore (save);
}
return;
}
@@ -1166,7 +1170,7 @@ wait_sig (VOID *self)
case __SIGFLUSH:
sigqueue.reset ();
while ((q = sigqueue.next ()))
if (q->process () > 0)
if (q->si.si_signo == __SIGDELETE || q->process () > 0)
sigqueue.del ();
break;
default:

3
winsup/cygwin/sigproc.h
View File

@@ -22,7 +22,8 @@ enum
__SIGFLUSH = -(NSIG + 1),
__SIGSTRACE = -(NSIG + 2),
__SIGCOMMUNE = -(NSIG + 3),
__SIGPENDING = -(NSIG + 4)
__SIGPENDING = -(NSIG + 4),
__SIGDELETE = -(NSIG + 5)
};
#endif