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#define socket_close winsock2_socket_close3 30 31#include <winsock2.h> 32#include <windows.h> 33 34#undef socket_close 35 36/* Workaround for older versions of MinGW. */ 37#ifndef ECONNREFUSED 38# define ECONNREFUSED WSAECONNREFUSED 39#endif 40#ifndef EINPROGRESS 41# define EINPROGRESS WSAEINPROGRESS 42#endif 43#ifndef EHOSTUNREACH 44# define EHOSTUNREACH WSAEHOSTUNREACH 45#endif 46#ifndef EINTR 47# define EINTR WSAEINTR 48#endif 49#ifndef EINPROGRESS 50# define EINPROGRESS WSAEINPROGRESS 51#endif 52#ifndef ENETUNREACH 53# define ENETUNREACH WSAENETUNREACH 54#endif 55#ifndef ENOTCONN 56# define ENOTCONN WSAENOTCONN 57#endif 58#ifndef EWOULDBLOCK 59# define EWOULDBLOCK WSAEWOULDBLOCK 60#endif 61 62#if defined(_WIN64) 63/* On w64, setjmp is implemented by _setjmp which needs a second parameter. 64 * If this parameter is NULL, longjump does no stack unwinding. 65 * That is what we need for QEMU. Passing the value of register rsp (default) 66 * lets longjmp try a stack unwinding which will crash with generated code. */ 67# undef setjmp 68# define setjmp(env) _setjmp(env, NULL) 69#endif 70/* QEMU uses sigsetjmp()/siglongjmp() as the portable way to specify 71 * "longjmp and don't touch the signal masks". Since we know that the 72 * savemask parameter will always be zero we can safely define these 73 * in terms of setjmp/longjmp on Win32. 74 */ 75#define sigjmp_buf jmp_buf 76#define sigsetjmp(env, savemask) setjmp(env) 77#define siglongjmp(env, val) longjmp(env, val) 78 79/* Declaration of ffs() is missing in MinGW's strings.h. */ 80int ffs(int i); 81 82/* Missing POSIX functions. Don't use MinGW-w64 macros. */ 83#undef gmtime_r 84struct tm *gmtime_r(const time_t *timep, struct tm *result); 85#undef localtime_r 86struct tm *localtime_r(const time_t *timep, struct tm *result); 87 88char *strtok_r(char *str, const char *delim, char **saveptr); 89 90/* Polling handling */ 91 92/* return TRUE if no sleep should be done afterwards */ 93typedef int PollingFunc(void *opaque); 94 95int qemu_add_polling_cb(PollingFunc *func, void *opaque); 96void qemu_del_polling_cb(PollingFunc *func, void *opaque); 97 98/* Wait objects handling */ 99typedef void WaitObjectFunc(void *opaque); 100 101int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque); 102void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque); 103 104void os_host_main_loop_wait(int *timeout); 105 106static inline void os_setup_signal_handling(void) {} 107static inline void os_daemonize(void) {} 108static inline void os_setup_post(void) {} 109void os_set_line_buffering(void); 110static inline void os_set_proc_name(const char *dummy) {} 111 112#if !defined(EPROTONOSUPPORT) 113# define EPROTONOSUPPORT EINVAL 114#endif 115 116int setenv(const char *name, const char *value, int overwrite); 117 118typedef struct { 119 long tv_sec; 120 long tv_usec; 121} qemu_timeval; 122int qemu_gettimeofday(qemu_timeval *tp); 123 124static inline bool is_daemonized(void) 125{ 126 return false; 127} 128 129static inline int os_mlock(void) 130{ 131 return -ENOSYS; 132} 133 134#endif 135