From 1bde6e09a629f9c5abb4ddccdc973fd8055d6b27 Mon Sep 17 00:00:00 2001
From: Christopher Faylor <me@cgf.cx>
Date: Mon, 19 Sep 2005 14:15:06 +0000
Subject: [PATCH] * sigproc.cc (talktome): Take siginfo_t argument.  Don't scan
 all pids trying to find one that's talking to me.  Just use the pid from
 siginfo_t. (wait_pid): Pass siginfo_t argument to talktome.

---
 winsup/cygwin/ChangeLog  |  7 +++++++
 winsup/cygwin/sigproc.cc | 12 +++++-------
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 48cf9364d..d50eda528 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,10 @@
+2005-09-19  Christopher Faylor  <cgf@timesys.com>
+
+	* sigproc.cc (talktome): Take siginfo_t argument.  Don't scan all pids
+	trying to find one that's talking to me.  Just use the pid from
+	siginfo_t.
+	(wait_pid): Pass siginfo_t argument to talktome.
+
 2005-09-17  Christopher Faylor  <cgf@timesys.com>
 
 	* pipe.cc (fhandler_pipe::open): Use 'cfree' to free buffer since it is
diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc
index 3766df7ea..59f79961d 100644
--- a/winsup/cygwin/sigproc.cc
+++ b/winsup/cygwin/sigproc.cc
@@ -922,13 +922,11 @@ stopped_or_terminated (waitq *parent_w, _pinfo *child)
 }
 
 static void
-talktome ()
+talktome (siginfo_t& si)
 {
-  winpids pids ((DWORD) PID_MAP_RW);
-  for (unsigned i = 0; i < pids.npids; i++)
-    if (pids[i]->hello_pid == myself->pid)
-      if (!IsBadWritePtr (pids[i], sizeof (_pinfo)))
-	pids[i]->commune_recv ();
+  pinfo p (si.si_pid, PID_MAP_RW);
+  if (p)
+    p->commune_recv ();
 }
 
 void
@@ -1041,7 +1039,7 @@ wait_sig (VOID *self)
       switch (pack.si.si_signo)
 	{
 	case __SIGCOMMUNE:
-	  talktome ();
+	  talktome (pack.si);
 	  break;
 	case __SIGSTRACE:
 	  strace.hello ();