JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* cygthread.cc (cygthread::terminate_thread): Only try to free

Browse Source 
thread stack on systems not freeing it by themselves.
	* wincap.h (wincaps::terminate_thread_frees_stack): New element.
	* wincap.cc: Implement above element throughout.
This commit is contained in:
Corinna Vinschen
2013-03-29 17:00:36 +00:00
parent bb93b7ab95
commit 4aa4632ad2
4 changed files with 32 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
winsup/cygwin/cygthread.cc
View File

@@ -1,7 +1,7 @@
/* cygthread.cc
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009,
2010, 2011, 2012 Red Hat, Inc.
2010, 2011, 2012, 2013 Red Hat, Inc.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
@@ -313,15 +313,18 @@ cygthread::terminate_thread ()
if (ev && !(terminated = !IsEventSignalled (ev)))
ResetEvent (ev);
MEMORY_BASIC_INFORMATION m;
memset (&m, 0, sizeof (m));
VirtualQuery (stack_ptr, &m, sizeof m);
if (!wincap.terminate_thread_frees_stack ())
{
MEMORY_BASIC_INFORMATION m;
memset (&m, 0, sizeof (m));
VirtualQuery (stack_ptr, &m, sizeof m);
if (!m.RegionSize)
system_printf ("m.RegionSize 0? stack_ptr %p", stack_ptr);
else if (!VirtualFree (m.AllocationBase, 0, MEM_RELEASE))
debug_printf ("VirtualFree of allocation base %p<%p> failed, %E",
stack_ptr, m.AllocationBase);
if (!m.RegionSize)
system_printf ("m.RegionSize 0? stack_ptr %p", stack_ptr);
else if (!VirtualFree (m.AllocationBase, 0, MEM_RELEASE))
debug_printf ("VirtualFree of allocation base %p<%p> failed, %E",
stack_ptr, m.AllocationBase);
}
if (is_freerange)
free (this);