minidump integration

platform/windows/app_start.cpp

@@ -2,6 +2,7 @@
 #include "../getopt.h"
 #include "../platform.h"
 #include "../error.h"
+#include "../seh.h"
 #include <iostream>
 #include <string>
 #include <sstream>
@@ -108,6 +109,10 @@ int __stdcall WinMain(HINSTANCE,HINSTANCE ,LPSTR, INT) {
         argv[i][need-1] = 0;
     }
     GlobalFree(szArglist);
-    return main(argc, argv);
+    int r = -256;
+    SEH_MONITOR_BEGIN {
+        r = main(argc, argv);
+    } SEH_MONITOR_END;
+    return r;
 }
 

platform/windows/minidump.cpp

@@ -0,0 +1,73 @@
+#include "minidump.h"
+#include <stdlib.h>
+#include <wchar.h>
+#include <version.h>
+
+#include <dbghelp.h>  
+#pragma comment(lib, "dbghelp.lib")
+
+
+DWORD WINAPI  MessageBoxThread(LPVOID ptr) {
+    const wchar_t *txt = reinterpret_cast<const wchar_t *>(ptr);
+    return MessageBoxW(NULL, txt, L"SKELDAL", MB_OK|MB_ICONEXCLAMATION|MB_SYSTEMMODAL|MB_APPLMODAL);
+}
+
+static void MessageBoxAndExit(const wchar_t *msg, const wchar_t *fname) {
+    DWORD tid;
+    HANDLE h = CreateThread(NULL, 0, MessageBoxThread, const_cast<wchar_t *>(msg), 0, &tid);
+    WaitForSingleObject(h, INFINITE);
+    if (fname != nullptr) {
+        STARTUPINFOW si = { sizeof(si) };
+        PROCESS_INFORMATION pi;
+    
+        wchar_t command[MAX_PATH + 20];
+        swprintf_s(command, L"explorer.exe /select,\"%s\"", fname);
+        if (CreateProcessW(NULL, command, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi)) {
+            CloseHandle(pi.hProcess);
+            CloseHandle(pi.hThread);
+        }
+    }
+    ExitProcess(256);
+}
+
+
+LONG WINAPI GenerateMinidumpAndExit(EXCEPTION_POINTERS* pExceptionInfo) {
+    wchar_t path[MAX_PATH];
+    _wfullpath(path, L"crash-" SKELDAL_VERSION ".dmp", _countof(path));
+    HANDLE hFile = CreateFileW(path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+
+    if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE)) {
+        MINIDUMP_EXCEPTION_INFORMATION mdei;
+        mdei.ThreadId           = GetCurrentThreadId();
+        mdei.ExceptionPointers  = pExceptionInfo;
+        mdei.ClientPointers     = FALSE;
+
+        BOOL ret = MiniDumpWriteDump(
+            GetCurrentProcess(),
+            GetCurrentProcessId(),
+            hFile,
+            static_cast<MINIDUMP_TYPE>(MiniDumpWithDataSegs | MiniDumpWithIndirectlyReferencedMemory | MiniDumpScanMemory),
+            &mdei,
+            NULL,
+            NULL);
+
+        CloseHandle(hFile);
+        if (ret) {
+            wchar_t msg[MAX_PATH*2];
+            swprintf_s(msg,L"Application crashed. The crash report has been stored to the file:\r\n\r\n%s\r\n\r\nPress OK to browse file in explorer",path);
+            MessageBoxAndExit(msg,path);
+            return 0;
+        }
+    }
+    {
+        DWORD error = GetLastError();
+        wchar_t msg[MAX_PATH*2];
+        swprintf_s(msg,L"Application crashed. Failed to write crash report to the file:\r\n\r\n%s\r\nError: %X", path, error);
+        MessageBoxAndExit(msg,path);
+    }
+
+
+
+    return 0;
+
+}

platform/windows/minidump.h

@@ -0,0 +1,4 @@
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+LONG WINAPI GenerateMinidumpAndExit(EXCEPTION_POINTERS* pExceptionInfo);