Dmitry Timoshkov : mstask: Retry with a timeout if opening a job file has failed.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5c85a243109e61ec6751c09f03899c0103012d92
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=5c85a243109e61ec6751c09f0...

Author: Dmitry Timoshkov <dmitry(a)baikal.ru>
Date:   Thu May 31 12:21:05 2018 +0800

mstask: Retry with a timeout if opening a job file has failed.

Signed-off-by: Dmitry Timoshkov <dmitry(a)baikal.ru>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/mstask/task.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/dlls/mstask/task.c b/dlls/mstask/task.c
index 91d2cb6..266029a 100644
--- a/dlls/mstask/task.c
+++ b/dlls/mstask/task.c
@@ -1398,7 +1398,7 @@ static HRESULT WINAPI MSTASK_IPersistFile_Load(IPersistFile *iface, LPCOLESTR fi
     TaskImpl *This = impl_from_IPersistFile(iface);
     HRESULT hr;
     HANDLE file, mapping;
-    DWORD access, sharing, size;
+    DWORD access, sharing, size, try;
     void *data;
 
     TRACE("(%p, %s, 0x%08x)\n", iface, debugstr_w(file_name), mode);
@@ -1432,11 +1432,18 @@ static HRESULT WINAPI MSTASK_IPersistFile_Load(IPersistFile *iface, LPCOLESTR fi
         break;
     }
 
-    file = CreateFileW(file_name, access, sharing, NULL, OPEN_EXISTING, 0, 0);
-    if (file == INVALID_HANDLE_VALUE)
+    try = 1;
+    for (;;)
     {
-        TRACE("Failed to open %s, error %u\n", debugstr_w(file_name), GetLastError());
-        return HRESULT_FROM_WIN32(GetLastError());
+        file = CreateFileW(file_name, access, sharing, NULL, OPEN_EXISTING, 0, 0);
+        if (file != INVALID_HANDLE_VALUE) break;
+
+        if (try++ >= 3)
+        {
+            TRACE("Failed to open %s, error %u\n", debugstr_w(file_name), GetLastError());
+            return HRESULT_FROM_WIN32(GetLastError());
+        }
+        Sleep(100);
     }
 
     size = GetFileSize(file, NULL);