From fa35a1ee5c602b765ca8a2886b2062971f871c47 Mon Sep 17 00:00:00 2001
From: Christopher Faylor <me@cgf.cx>
Date: Mon, 3 Oct 2005 17:23:54 +0000
Subject: * cygheap.h (class process_lock): New class. * dtable.h (class
 dtable): Add class process_lock as a friend. * dcrt0.cc (get_exit_lock):
 Delete. (do_exit): Use process_lock class instead of get_exit_lock. *
 exceptions.cc (signal_exit): Ditto. * pinfo.cc (pinfo::exit): Ditto.
 (_pinfo::commune_process): Set process lock around this whole function.
 (_pinfo::commune_request): Use process_lock rather than myself.lock. *
 pinfo.h (pinfo::_lock): Delete. (pinfo::initialize_lock): Delete.
 (pinfo::lock): Delete. (pinfo::unlock): Delete. * winsup.h (get_exit_lock):
 Delete declaration.

---
 winsup/cygwin/cygheap.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'winsup/cygwin/cygheap.h')

diff --git a/winsup/cygwin/cygheap.h b/winsup/cygwin/cygheap.h
index e5ce58f4d..059e01d2e 100644
--- a/winsup/cygwin/cygheap.h
+++ b/winsup/cygwin/cygheap.h
@@ -415,6 +415,27 @@ class cygheap_fdenum : public cygheap_fdmanip
   }
 };
 
+class process_lock
+{
+  bool skip_unlock;
+public:
+  process_lock (bool exiting = false)
+  {
+    cygheap->fdtab.lock ();
+    skip_unlock = exiting;
+    if (exiting && exit_state < ES_SET_MUTO)
+      {
+	exit_state = ES_SET_MUTO;
+	muto::set_exiting_thread ();
+      }
+  }
+  ~process_lock ()
+  {
+    if (!skip_unlock)
+      cygheap->fdtab.unlock ();
+  }
+};
+
 class child_info;
 void __stdcall cygheap_fixup_in_child (bool);
 extern "C" {
-- 
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