minidump integration

platform/CMakeLists.txt

@@ -27,6 +27,7 @@ if(WIN32)
     target_sources(skeldal_platform PRIVATE
         windows/save_folder.cpp
         windows/map_file.cpp
+        windows/minidump.cpp
     )
     add_executable(skeldal WIN32)
     target_sources(skeldal PRIVATE

platform/legacy_coroutines.cpp

@@ -1,5 +1,6 @@
 #include "legacy_coroutines.h"
 #include "error.h"
+#include "seh.h"
 
 #include <thread>
 #include <atomic>
@@ -116,7 +117,7 @@ static void broadcast_message(EVENT_MSG *msg) {
     clean_task_table();
 }
 
-static void crash_task_exception() {
+/*static void crash_task_exception() {
     try {
         throw;
     } catch (std::exception &e) {
@@ -125,7 +126,7 @@ static void crash_task_exception() {
         display_error("Unhandled exception in task %d:  unknown/crash",q_current_task());        
     }
     abort();
-}
+}*/
 
 
 int add_task(int stack,TaskerFunctionName fcname,...) {
@@ -135,14 +136,12 @@ int add_task(int stack,TaskerFunctionName fcname,...) {
     va_list args;
     va_start(args, fcname);
     new_task->thr = std::thread([&]{
-       new_task->resume_flag.wait(false);
-       new_task->resume_flag = false;
-       try {
+       SEH_MONITOR_BEGIN {
+        new_task->resume_flag.wait(false);
+        new_task->resume_flag = false;
         fcname(args);
         clean_up_current_task();
-       } catch (...) {
-        crash_task_exception();
-       }
+        }SEH_MONITOR_END;
     });
     switch_to_task(new_task);
     return id;

platform/platform.h

@@ -2,9 +2,11 @@
 #include <stdint.h>
 #include <stdio.h>
 
+
 #ifndef _SKELDAL_PLATFORM_HEADER_
 #define _SKELDAL_PLATFORM_HEADER_
 
+
 #define BGSWITCHBIT 0x8000
 
 #ifdef _MSC_VER
@@ -124,6 +126,16 @@ typedef int (*LIST_FILES_CALLBACK)(const char *, LIST_FILE_TYPE , size_t, void *
 int list_files(const char *directory, int type, LIST_FILES_CALLBACK cb, void *ctx);
 
 
+#define WM_RELOADMAP (WM_APP+215)
+#define E_RELOADMAP 40
+
+typedef struct _ReloadMapInfo {
+        const char *fname;
+        int sektor;
+   } ReloadMapInfo;
+
+
+
 #ifdef __cplusplus
   }
 #endif
@@ -135,14 +147,4 @@ void init_joystick(const INI_CONFIG_SECTION *section);
 char is_joystick_used();
 char is_joystick_enabled();
 
-#define WM_RELOADMAP (WM_APP+215)
-#define E_RELOADMAP 40
-
-typedef struct _ReloadMapInfo {
-        const char *fname;
-        int sektor;
-   } ReloadMapInfo;
-
-
-
-#endif
+#endif

platform/seh.h

@@ -0,0 +1,10 @@
+
+#ifdef _WIN32
+  #include "windows/minidump.h"
+  #define SEH_MONITOR_BEGIN __try
+  #define SEH_MONITOR_END __except(GenerateMinidumpAndExit(GetExceptionInformation())) {}
+#else
+  #define SEH_TRY 
+  #define SEH_CATCH 
+#endif
+

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);