From 83cb7864064fa6181902c28fc56d26f236881abe Mon Sep 17 00:00:00 2001
From: Rob Mensching <rob@firegiant.com>
Date: Mon, 10 Feb 2025 17:38:43 -0800
Subject: Support CreateFile with retries

---
 src/libs/dutil/WixToolset.DUtil/fileutil.cpp   | 53 ++++++++++++++++++++++++--
 src/libs/dutil/WixToolset.DUtil/inc/fileutil.h | 29 +++++++++-----
 2 files changed, 69 insertions(+), 13 deletions(-)

(limited to 'src')

diff --git a/src/libs/dutil/WixToolset.DUtil/fileutil.cpp b/src/libs/dutil/WixToolset.DUtil/fileutil.cpp
index 31802d29..abe1f6ad 100644
--- a/src/libs/dutil/WixToolset.DUtil/fileutil.cpp
+++ b/src/libs/dutil/WixToolset.DUtil/fileutil.cpp
@@ -32,7 +32,7 @@ __out LPWSTR *ppwzFileNameNoExtension
 )
 {
     Assert(wzFileName && *wzFileName);
-   
+
     HRESULT hr = S_OK;
     size_t cchFileName = 0;
     LPWSTR pwzFileNameNoExtension = NULL;
@@ -90,7 +90,7 @@ extern "C" HRESULT DAPI FileChangeExtension(
 
 LExit:
     ReleaseStr(sczFileName);
-   
+
     return hr;
 }
 
@@ -140,7 +140,7 @@ extern "C" HRESULT DAPI FileAddSuffixToBaseName(
 
 LExit:
     ReleaseStr(sczNewFileName);
-   
+
     return hr;
 }
 
@@ -1339,6 +1339,51 @@ LExit:
 }
 
 
+/*******************************************************************
+ FileCreateWithRetry - create a file with multiple attempts if necessary
+
+********************************************************************/
+extern "C" HRESULT DAPI FileCreateWithRetry(
+    __in LPCWSTR wzFile,
+    __in DWORD dwDesiredAccess,
+    __in DWORD dwShareMode,
+    __in_opt LPSECURITY_ATTRIBUTES lpSecurityAttributes,
+    __in DWORD dwCreationDisposition,
+    __in DWORD dwFlagsAndAttributes,
+    __in DWORD cRetry,
+    __in DWORD dwWaitMilliseconds,
+    __out HANDLE* phFile
+    )
+{
+    HRESULT hr = HRESULT_FROM_WIN32(ERROR_INVALID_HANDLE);
+
+    *phFile = INVALID_HANDLE_VALUE;
+
+    for (DWORD i = 0; i <= cRetry; ++i)
+    {
+        if (0 < i)
+        {
+            ::Sleep(dwWaitMilliseconds);
+        }
+
+        *phFile = ::CreateFileW(wzFile, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, NULL);
+        if (INVALID_HANDLE_VALUE == *phFile)
+        {
+            DWORD er = ::GetLastError();
+            hr = HRESULT_FROM_WIN32(er ? er : ERROR_INVALID_HANDLE);
+        }
+        else
+        {
+            hr = S_OK;
+            break;
+        }
+    }
+    FileExitOnRootFailure(hr, "Failed to create file: %ls after %u retries.", wzFile, cRetry);
+
+LExit:
+    return hr;
+}
+
 /*******************************************************************
  FileIsSame
 
@@ -1479,7 +1524,7 @@ extern "C" HRESULT DAPI FileResetTime(
 
     hFile = ::CreateFileW(wzFile, FILE_WRITE_ATTRIBUTES | FILE_READ_ATTRIBUTES, FILE_SHARE_WRITE | FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
     FileExitOnInvalidHandleWithLastError(hFile, hr, "Failed to open file. File = '%ls'", wzFile);
-    
+
     if (!::GetFileTime(hFile, &ftCreateTime, NULL, NULL))
     {
         FileExitWithLastError(hr, "Failed to get file time for file. File = '%ls'", wzFile);
diff --git a/src/libs/dutil/WixToolset.DUtil/inc/fileutil.h b/src/libs/dutil/WixToolset.DUtil/inc/fileutil.h
index 868312dc..c206fc5c 100644
--- a/src/libs/dutil/WixToolset.DUtil/inc/fileutil.h
+++ b/src/libs/dutil/WixToolset.DUtil/inc/fileutil.h
@@ -49,8 +49,8 @@ HRESULT DAPI FileAddSuffixToBaseName(
     __out_z LPWSTR* psczNewFileName
     );
 HRESULT DAPI FileVersionFromString(
-    __in_z LPCWSTR wzVersion, 
-    __out DWORD *pdwVerMajor, 
+    __in_z LPCWSTR wzVersion,
+    __out DWORD *pdwVerMajor,
     __out DWORD* pdwVerMinor
     );
 HRESULT DAPI FileVersionFromStringEx(
@@ -73,11 +73,11 @@ HRESULT DAPI FileSize(
     __out LONGLONG* pllSize
     );
 HRESULT DAPI FileSizeByHandle(
-    __in HANDLE hFile, 
+    __in HANDLE hFile,
     __out LONGLONG* pllSize
     );
 BOOL DAPI FileExistsEx(
-    __in_z LPCWSTR wzPath, 
+    __in_z LPCWSTR wzPath,
     __out_opt DWORD *pdwAttributes
     );
 BOOL DAPI FileExistsAfterRestart(
@@ -166,8 +166,8 @@ HRESULT DAPI FileEnsureCopyWithRetry(
     __in DWORD dwWaitMilliseconds
     );
 HRESULT DAPI FileEnsureMove(
-    __in_z LPCWSTR wzSource, 
-    __in_z LPCWSTR wzTarget, 
+    __in_z LPCWSTR wzSource,
+    __in_z LPCWSTR wzTarget,
     __in BOOL fOverwrite,
     __in BOOL fAllowCopy
     );
@@ -191,9 +191,20 @@ HRESULT DAPI FileCreateTempW(
     __deref_opt_out_z LPWSTR* ppwzTempFile,
     __out_opt HANDLE* phTempFile
     );
+HRESULT DAPI FileCreateWithRetry(
+    __in LPCWSTR wzFile,
+    __in DWORD dwDesiredAccess,
+    __in DWORD dwShareMode,
+    __in_opt LPSECURITY_ATTRIBUTES lpSecurityAttributes,
+    __in DWORD dwCreationDisposition,
+    __in DWORD dwFlagsAndAttributes,
+    __in DWORD cRetry,
+    __in DWORD dwWaitMilliseconds,
+    __out HANDLE* phFile
+    );
 HRESULT DAPI FileVersion(
-    __in_z LPCWSTR wzFilename, 
-    __out DWORD *pdwVerMajor, 
+    __in_z LPCWSTR wzFilename,
+    __out DWORD *pdwVerMajor,
     __out DWORD* pdwVerMinor
     );
 HRESULT DAPI FileIsSame(
@@ -205,7 +216,7 @@ HRESULT DAPI FileEnsureDelete(
     __in_z LPCWSTR wzFile
     );
 HRESULT DAPI FileGetTime(
-    __in_z LPCWSTR wzFile,  
+    __in_z LPCWSTR wzFile,
     __out_opt  LPFILETIME lpCreationTime,
     __out_opt  LPFILETIME lpLastAccessTime,
     __out_opt  LPFILETIME lpLastWriteTime
-- 
cgit v1.2.3-55-g6feb