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authorChristopher Faylor <me@cgf.cx>2004-01-21 06:28:35 +0000
committerChristopher Faylor <me@cgf.cx>2004-01-21 06:28:35 +0000
commitbcb4223cbc9de4519eefa039d142dd91df3c8318 (patch)
treee8325ef1f57b6ae10bd03618fe6de1e9e7c4a566 /winsup/cygwin/sigproc.cc
parent1284fa137fafa9b8f4ea5539044b4cf7537a026f (diff)
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* 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. * 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.
Diffstat (limited to 'winsup/cygwin/sigproc.cc')
-rw-r--r--winsup/cygwin/sigproc.cc10
1 files changed, 7 insertions, 3 deletions
diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc
index 56aa2805b..6471665bf 100644
--- a/winsup/cygwin/sigproc.cc
+++ b/winsup/cygwin/sigproc.cc
@@ -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: