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 <windows.h> 30 #include <winsock2.h> 31 32 /* Workaround for older versions of MinGW. */ 33 #ifndef ECONNREFUSED 34 # define ECONNREFUSED WSAECONNREFUSED 35 #endif 36 #ifndef EINPROGRESS 37 # define EINPROGRESS WSAEINPROGRESS 38 #endif 39 #ifndef EHOSTUNREACH 40 # define EHOSTUNREACH WSAEHOSTUNREACH 41 #endif 42 #ifndef EINTR 43 # define EINTR WSAEINTR 44 #endif 45 #ifndef EINPROGRESS 46 # define EINPROGRESS WSAEINPROGRESS 47 #endif 48 #ifndef ENETUNREACH 49 # define ENETUNREACH WSAENETUNREACH 50 #endif 51 #ifndef ENOTCONN 52 # define ENOTCONN WSAENOTCONN 53 #endif 54 #ifndef EWOULDBLOCK 55 # define EWOULDBLOCK WSAEWOULDBLOCK 56 #endif 57 58 #if defined(_WIN64) 59 /* On w64, setjmp is implemented by _setjmp which needs a second parameter. 60 * If this parameter is NULL, longjump does no stack unwinding. 61 * That is what we need for QEMU. Passing the value of register rsp (default) 62 * lets longjmp try a stack unwinding which will crash with generated code. */ 63 # undef setjmp 64 # define setjmp(env) _setjmp(env, NULL) 65 #endif 66 /* QEMU uses sigsetjmp()/siglongjmp() as the portable way to specify 67 * "longjmp and don't touch the signal masks". Since we know that the 68 * savemask parameter will always be zero we can safely define these 69 * in terms of setjmp/longjmp on Win32. 70 */ 71 #define sigjmp_buf jmp_buf 72 #define sigsetjmp(env, savemask) setjmp(env) 73 #define siglongjmp(env, val) longjmp(env, val) 74 75 /* Missing POSIX functions. Don't use MinGW-w64 macros. */ 76 #undef gmtime_r 77 struct tm *gmtime_r(const time_t *timep, struct tm *result); 78 #undef localtime_r 79 struct tm *localtime_r(const time_t *timep, struct tm *result); 80 81 82 static inline void os_setup_signal_handling(void) {} 83 static inline void os_daemonize(void) {} 84 static inline void os_setup_post(void) {} 85 void os_set_line_buffering(void); 86 static inline void os_set_proc_name(const char *dummy) {} 87 88 size_t getpagesize(void); 89 90 #if !defined(EPROTONOSUPPORT) 91 # define EPROTONOSUPPORT EINVAL 92 #endif 93 94 int setenv(const char *name, const char *value, int overwrite); 95 96 typedef struct { 97 long tv_sec; 98 long tv_usec; 99 } qemu_timeval; 100 int qemu_gettimeofday(qemu_timeval *tp); 101 102 static inline bool is_daemonized(void) 103 { 104 return false; 105 } 106 107 static inline int os_mlock(void) 108 { 109 return -ENOSYS; 110 } 111 112 #define fsync _commit 113 114 #if !defined(lseek) 115 # define lseek _lseeki64 116 #endif 117 118 int qemu_ftruncate64(int, int64_t); 119 120 #if !defined(ftruncate) 121 # define ftruncate qemu_ftruncate64 122 #endif 123 124 static inline char *realpath(const char *path, char *resolved_path) 125 { 126 _fullpath(resolved_path, path, _MAX_PATH); 127 return resolved_path; 128 } 129 130 #endif 131