Sebastian Lackner : ntdll: Avoid possible deadlock by using _exit() in NtTerminateProcess.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4a1629c4117fda9eca63b6f56ea45771dc9734ac
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4a1629c4117fda9eca63b6f56ea45771dc9734ac

Author: Sebastian Lackner <sebastian at fds-team.de>
Date:   Fri Jul 17 06:46:47 2015 +0200

ntdll: Avoid possible deadlock by using _exit() in NtTerminateProcess.

When threads are killed with SIGQUIT some locks can be in an undefined
state, and it not safe to call exit handlers.

---

 dlls/ntdll/process.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dlls/ntdll/process.c b/dlls/ntdll/process.c
index c69de5e..ca9462a 100644
--- a/dlls/ntdll/process.c
+++ b/dlls/ntdll/process.c
@@ -21,11 +21,16 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#include "config.h"
+
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
 
 #include "ntstatus.h"
 #define WIN32_NO_STATUS
@@ -60,7 +65,7 @@ NTSTATUS WINAPI NtTerminateProcess( HANDLE handle, LONG exit_code )
         self = !ret && reply->self;
     }
     SERVER_END_REQ;
-    if (self && handle) exit( exit_code );
+    if (self && handle) _exit( exit_code );
     return ret;
 }