1 /* 2 * win32 specific declarations 3 * 4 * Copyright (c) 2003-2008 Fabrice Bellard 5 * Copyright (c) 2010 Jes Sorensen <Jes.Sorensen@redhat.com> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 * THE SOFTWARE. 24 */ 25 26 #ifndef QEMU_OS_WIN32_H 27 #define QEMU_OS_WIN32_H 28 29 #include <winsock2.h> 30 #include <windows.h> 31 #include <setjmp.h> 32 33 /* Workaround for older versions of MinGW. */ 34 #ifndef ECONNREFUSED 35 # define ECONNREFUSED WSAECONNREFUSED 36 #endif 37 #ifndef EINPROGRESS 38 # define EINPROGRESS WSAEINPROGRESS 39 #endif 40 #ifndef EHOSTUNREACH 41 # define EHOSTUNREACH WSAEHOSTUNREACH 42 #endif 43 #ifndef EINTR 44 # define EINTR WSAEINTR 45 #endif 46 #ifndef EINPROGRESS 47 # define EINPROGRESS WSAEINPROGRESS 48 #endif 49 #ifndef ENETUNREACH 50 # define ENETUNREACH WSAENETUNREACH 51 #endif 52 #ifndef ENOTCONN 53 # define ENOTCONN WSAENOTCONN 54 #endif 55 #ifndef EWOULDBLOCK 56 # define EWOULDBLOCK WSAEWOULDBLOCK 57 #endif 58 59 #if defined(_WIN64) 60 /* On w64, setjmp is implemented by _setjmp which needs a second parameter. 61 * If this parameter is NULL, longjump does no stack unwinding. 62 * That is what we need for QEMU. Passing the value of register rsp (default) 63 * lets longjmp try a stack unwinding which will crash with generated code. */ 64 65 #if defined(_MSC_VER) // MSVC 66 67 // See qemu/include/utils/setjmp-wrapper-win32.asm for details. 68 extern int _setjmp_wrapper(jmp_buf); 69 70 # undef setjmp 71 # define setjmp(env) _setjmp_wrapper(env) 72 73 #else // MinGW 74 75 // Original QEMU patch. 76 # undef setjmp 77 # define setjmp(env) _setjmp(env, NULL) 78 #endif 79 80 #endif 81 /* QEMU uses sigsetjmp()/siglongjmp() as the portable way to specify 82 * "longjmp and don't touch the signal masks". Since we know that the 83 * savemask parameter will always be zero we can safely define these 84 * in terms of setjmp/longjmp on Win32. 85 */ 86 #define sigjmp_buf jmp_buf 87 #define sigsetjmp(env, savemask) setjmp(env) 88 #define siglongjmp(env, val) longjmp(env, val) 89 90 size_t getpagesize(void); 91 92 #if !defined(EPROTONOSUPPORT) 93 # define EPROTONOSUPPORT EINVAL 94 #endif 95 96 #endif 97