1 files changed, 159 insertions, 0 deletions
diff --git a/private/nw/test/lock3.c b/private/nw/test/lock3.c
new file mode 100644
index 000000000..eff9d0d55
--- /dev/null
+++ b/private/nw/test/lock3.c
@@ -0,0 +1,159 @@
+/*++
+
+Copyright (c) 1990  Microsoft Corporation
+
+Module Name:
+
+    tfile.c
+
+Abstract:
+
+    Test program for Win32 Base File API calls
+
+Author:
+
+    Mark Lucovsky (markl) 26-Sep-1990
+
+Revision History:
+
+--*/
+
+#include <windows.h>
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+VOID
+TryLock(
+    int Type,
+    HANDLE Handle,
+    DWORD Offset,
+    DWORD StartOffset,
+    DWORD Range,
+    BOOL ExpectedResult
+    );
+
+#define  Lock   1
+#define  Unlock 2
+
+DWORD
+_cdecl
+main(
+    int argc,
+    char *argv[],
+    char *envp[]
+    )
+{
+
+    HANDLE iFile;
+    BOOL success;
+    STARTUPINFO startupInfo;
+    PROCESS_INFORMATION processInfo;
+    SECURITY_ATTRIBUTES security;
+    char commandLine[80];
+    int offset;
+
+    printf( "Number of arguments = %d\n", argc );
+
+    if ( argc == 1 ) {
+
+        security.nLength = sizeof( security );
+        security.lpSecurityDescriptor = NULL;
+        security.bInheritHandle = TRUE;
+
+        iFile = CreateFile(
+                    "testfile.txt",
+                    GENERIC_READ,
+                    FILE_SHARE_READ,
+                    &security,
+                    OPEN_EXISTING,
+                    0,
+                    NULL
+                    );
+
+        printf("Created file, handle = %d\n", iFile );
+
+        memset( &startupInfo, 0, sizeof( startupInfo ) );
+        sprintf( commandLine, "%s %d\n", argv[0], iFile );
+
+        success = CreateProcess(
+                      "D:\\444\\nt\\system32\\lock3.exe",
+                      commandLine,
+                      NULL,    // Process security
+                      NULL,    // Thread security
+                      TRUE,    // Inherit Handles
+                      0,       // Create flags
+                      NULL,    // Environment
+                      NULL,    // Current Directory
+                      &startupInfo,
+                      &processInfo );
+
+        if ( !success ) {
+            printf("Create process failed, err = %d\n", GetLastError() );
+        }
+        offset = 0;
+    } else {
+
+        iFile = (HANDLE)atoi( argv[1] );
+        printf("Inherited file handle = %d\n", iFile );
+        offset = 100;
+    }
+
+    assert(iFile != INVALID_HANDLE_VALUE);
+
+    TryLock( Lock, iFile, offset, 0, 10, TRUE );
+    TryLock( Lock, iFile, offset, 10, 10, TRUE );
+    TryLock( Lock, iFile, offset, 1, 1, FALSE );
+    TryLock( Lock, iFile, offset, 0, 11, FALSE );
+    TryLock( Lock, iFile, offset, 0, 20, FALSE );
+    TryLock( Unlock, iFile, offset, 1, 1, FALSE );
+    TryLock( Unlock, iFile, offset, 0, 12, FALSE );
+    TryLock( Unlock, iFile, offset, 0, 20, FALSE );
+    TryLock( Unlock, iFile, offset, 0, 10, TRUE );
+    TryLock( Unlock, iFile, offset, 10, 10, TRUE );
+    TryLock( Lock, iFile, offset, 0, 10, TRUE );
+    TryLock( Lock, iFile, offset, 10, 10, TRUE );
+
+    Sleep(5 * argc * 1000);
+
+    CloseHandle(iFile);
+    printf("Done\n");
+    return 1;
+
+}
+
+VOID
+TryLock(
+    int Type,
+    HANDLE Handle,
+    DWORD Offset,
+    DWORD StartOffset,
+    DWORD Range,
+    BOOL ExpectedResult
+    )
+{
+    BOOL result;
+    DWORD err;
+
+    if ( Type == Lock ) {
+        result = LockFile( Handle, StartOffset + Offset, 0, Range, 0 );
+    } else {
+        result = UnlockFile( Handle, StartOffset + Offset, 0, Range, 0 );
+    }
+
+    if ( result == ExpectedResult ) {
+        return;
+    } else {
+        err = GetLastError();
+        printf("Expected %d got %d for %slock at %d L%d\n",
+                ExpectedResult, result,
+                Type == Lock ? "" : "un",
+                StartOffset + Offset, Range );
+        if ( !result ) {
+            printf("Unexpected error = %08lx\n", err );
+        }
+    }
+}
+
+
+