SourceFormat Enforcement

[thirdparty/squid.git] / src / win32.cc

diff --git a/src/win32.cc b/src/win32.cc
index 4faa5ee5072d76e1b38bff6d67c6a1d27b15334e..9582fbb6c99e900e7d87a31fe13f256489245996 100644 (file)
--- a/src/win32.cc
+++ b/src/win32.cc
@@ -1,106 +1,83 @@
-
 /*
- * $Id: win32.cc,v 1.4 2001/11/17 11:09:25 hno Exp $
- *
- * * * * * * * * Legal stuff * * * * * * *
- *
- * (C) 2001 Guido Serassio <serassio@libero.it>,
- *   inspired by previous work by Romeo Anghelache & Eric Stern.
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *  
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+ * Copyright (C) 1996-2015 The Squid Software Foundation and contributors
  *
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
  */
 
+/* Inspired by previous work by Romeo Anghelache & Eric Stern. */
+
 #include "squid.h"
 
-/* This code compiles only CygWin & Windows NT Port */
-#if defined(_SQUID_MSWIN_) || defined(_SQUID_CYGWIN_)
-#include <windows.h>
+#if _SQUID_WINDOWS_
+
+#include "fde.h"
+#include "win32.h"
+
+#include <csignal>
+#if HAVE_WIN32_PSAPI
+#include <psapi.h>
+#endif
+#if HAVE_MSWSOCK_H
+#include <mswsock.h>
+#endif
+
+SQUIDCEXTERN LPCRITICAL_SECTION dbg_mutex;
+void WIN32_ExceptionHandlerCleanup(void);
+static LPTOP_LEVEL_EXCEPTION_FILTER Win32_Old_ExceptionHandler = NULL;
 
-static unsigned int GetOSVersion();
+int
+Win32__WSAFDIsSet(int fd, fd_set FAR * set)
+{
+    fde *F = &fd_table[fd];
+    SOCKET s = F->win32.handle;
 
-/* ====================================================================== */
-/* LOCAL FUNCTIONS */
-/* ====================================================================== */
+    return __WSAFDIsSet(s, set);
+}
 
-static unsigned int
-GetOSVersion()
+LONG CALLBACK WIN32_ExceptionHandler(EXCEPTION_POINTERS* ep)
 {
-    OSVERSIONINFO osvi;
-
-    safe_free(WIN32_OS_string);
-    memset(&osvi, '\0', sizeof(OSVERSIONINFO));
-    osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
-    GetVersionEx((OSVERSIONINFO *) & osvi);
-    switch (osvi.dwPlatformId) {
-    case VER_PLATFORM_WIN32_NT:
-       if (osvi.dwMajorVersion <= 4) {
-           WIN32_OS_string = xstrdup("Windows NT");
-           return _WIN_OS_WINNT;
-       }
-       if ((osvi.dwMajorVersion == 5) && (osvi.dwMinorVersion == 0)) {
-           WIN32_OS_string = xstrdup("Windows 2000");
-           return _WIN_OS_WIN2K;
-       }
-       if ((osvi.dwMajorVersion == 5) && (osvi.dwMinorVersion == 1)) {
-           WIN32_OS_string = xstrdup("Windows XP");
-           return _WIN_OS_WINXP;
-       }
-       break;
-    case VER_PLATFORM_WIN32_WINDOWS:
-       if ((osvi.dwMajorVersion == 4) && (osvi.dwMinorVersion == 0)) {
-           WIN32_OS_string = xstrdup("Windows 95");
-           return _WIN_OS_WIN95;
-       }
-       if ((osvi.dwMajorVersion == 4) && (osvi.dwMinorVersion == 10)) {
-           WIN32_OS_string = xstrdup("Windows 98");
-           return _WIN_OS_WIN98;
-       }
-       if ((osvi.dwMajorVersion == 4) && (osvi.dwMinorVersion == 90)) {
-           WIN32_OS_string = xstrdup("Windows Me");
-           return _WIN_OS_WINME;
-       }
-       break;
-    case VER_PLATFORM_WIN32s:
-       WIN32_OS_string = xstrdup("Windows 3.1 with WIN32S");
-       return _WIN_OS_WIN32S;
-       break;
+    EXCEPTION_RECORD* er;
+
+    er = ep->ExceptionRecord;
+
+    switch (er->ExceptionCode) {
+
+    case EXCEPTION_ACCESS_VIOLATION:
+        raise(SIGSEGV);
+        break;
+
+    case EXCEPTION_DATATYPE_MISALIGNMENT:
+
+    case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
+
+    case EXCEPTION_IN_PAGE_ERROR:
+        raise(SIGBUS);
+        break;
+
     default:
-       break;
+        break;
     }
-    WIN32_OS_string = xstrdup("Unknown Windows system");
-    return _WIN_OS_UNKNOWN;
-}
 
-/* ====================================================================== */
-/* PUBLIC FUNCTIONS */
-/* ====================================================================== */
+    return EXCEPTION_CONTINUE_SEARCH;
+}
 
-void
-WIN32_Exit()
+void WIN32_ExceptionHandlerInit()
 {
-    _exit(0);
+#if !defined(_DEBUG)
+
+    if (Win32_Old_ExceptionHandler == NULL)
+        Win32_Old_ExceptionHandler = SetUnhandledExceptionFilter(WIN32_ExceptionHandler);
+
+#endif
 }
 
-int
-WIN32_Subsystem_Init()
+void WIN32_ExceptionHandlerCleanup()
 {
-    WIN32_OS_version = GetOSVersion();
-    if ((WIN32_OS_version == _WIN_OS_UNKNOWN) || (WIN32_OS_version == _WIN_OS_WIN32S))
-       return 1;
-    if (atexit(WIN32_Exit) != 0)
-       return 1;
-    return 0;
+    if (Win32_Old_ExceptionHandler != NULL)
+        SetUnhandledExceptionFilter(Win32_Old_ExceptionHandler);
 }
-#endif
+
+#endif /* SQUID_WINDOWS_ */
+