[PATCH v5 2/5] ntdll: Make server_select a memory barrier.

[Torge Matthies]

From: Torge Matthies

---
 dlls/ntdll/unix/server.c | 3 +++
 server/thread.c          | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/ntdll/unix/server.c b/dlls/ntdll/unix/server.c
index 51a83f472e1..362c7793cbc 100644
--- a/dlls/ntdll/unix/server.c
+++ b/dlls/ntdll/unix/server.c
@@ -602,6 +602,9 @@ unsigned int server_select( const select_op_t *select_op, data_size_t size, UINT
     sigset_t old_set;
     int signaled;

+    /* ensure writes so far are visible to other threads */
+    MemoryBarrier();
+
     memset( &result, 0, sizeof(result) );

do
diff --git a/server/thread.c b/server/thread.c
index 1f052092b56..ca5c1c51502 100644
--- a/server/thread.c
+++ b/server/thread.c
@@ -2112,7 +2112,7 @@ DECL_HANDLER(flush_process_write_buffers)
         struct thread_apc *apc;
         int success;

-        if (thread == current || thread->state == TERMINATED) continue;
+        if (thread == current || thread->state == TERMINATED || thread->wait) continue;

if (!(apc = create_apc( &current->obj, &call ))) break;