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-rw-r--r--src/pal/tests/palsuite/debug_api/WriteProcessMemory/test4/helper.cpp67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/debug_api/WriteProcessMemory/test4/helper.cpp b/src/pal/tests/palsuite/debug_api/WriteProcessMemory/test4/helper.cpp
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+++ b/src/pal/tests/palsuite/debug_api/WriteProcessMemory/test4/helper.cpp
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+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+/*=============================================================
+**
+** Source: helper.c
+**
+** Purpose: This helper process sets up a block of memory, then
+** raises an exception to pass that memory location back to the
+** parent process. When the parent process is done calling WriteProcessMemory
+** we check here that it was written properly.
+**
+**
+**============================================================*/
+
+#include <palsuite.h>
+const int MY_EXCEPTION=999;
+
+int __cdecl main(int argc, char *argv[])
+{
+
+ char* Memory;
+ char* TheArray[1];
+ int i;
+
+ if(0 != (PAL_Initialize(argc, argv)))
+ {
+ return FAIL;
+ }
+
+ Memory = (char*)VirtualAlloc(NULL, 4096, MEM_COMMIT, PAGE_READONLY);
+
+ if(Memory == NULL)
+ {
+ Fail("ERROR: Attempted to allocate two pages, but the VirtualAlloc "
+ "call failed. GetLastError() returned %d.\n",GetLastError());
+ }
+
+
+ TheArray[0] = Memory;
+
+
+ /* Need to sleep for a couple seconds. Otherwise this process
+ won't be being debugged when the first exception is raised.
+ */
+ Sleep(4000);
+
+ RaiseException(MY_EXCEPTION, 0, 1, (ULONG_PTR*)TheArray);
+
+ for(i=0; i<4096; ++i)
+ {
+ if(Memory[i] != '\0')
+ {
+ Fail("ERROR: The memory should be unchanged after the "
+ "invalid call to WriteProcessMemory, but the char "
+ "at index %d has changed.\n",i);
+ }
+ }
+
+
+
+
+
+ PAL_Terminate();
+ return PASS;
+}