accel: move qtest CpusAccel functions to a common location
[qemu.git] / include / sysemu / os-win32.h
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 <ws2tcpip.h>
32
33 #if defined(_WIN64)
34 /* On w64, setjmp is implemented by _setjmp which needs a second parameter.
35 * If this parameter is NULL, longjump does no stack unwinding.
36 * That is what we need for QEMU. Passing the value of register rsp (default)
37 * lets longjmp try a stack unwinding which will crash with generated code. */
38 # undef setjmp
39 # define setjmp(env) _setjmp(env, NULL)
40 #endif
41 /* QEMU uses sigsetjmp()/siglongjmp() as the portable way to specify
42 * "longjmp and don't touch the signal masks". Since we know that the
43 * savemask parameter will always be zero we can safely define these
44 * in terms of setjmp/longjmp on Win32.
45 */
46 #define sigjmp_buf jmp_buf
47 #define sigsetjmp(env, savemask) setjmp(env)
48 #define siglongjmp(env, val) longjmp(env, val)
49
50 /* Missing POSIX functions. Don't use MinGW-w64 macros. */
51 #ifndef _POSIX_THREAD_SAFE_FUNCTIONS
52 #undef gmtime_r
53 struct tm *gmtime_r(const time_t *timep, struct tm *result);
54 #undef localtime_r
55 struct tm *localtime_r(const time_t *timep, struct tm *result);
56 #endif /* _POSIX_THREAD_SAFE_FUNCTIONS */
57
58 static inline void os_setup_signal_handling(void) {}
59 static inline void os_daemonize(void) {}
60 static inline void os_setup_post(void) {}
61 void os_set_line_buffering(void);
62 static inline void os_set_proc_name(const char *dummy) {}
63
64 int getpagesize(void);
65
66 #if !defined(EPROTONOSUPPORT)
67 # define EPROTONOSUPPORT EINVAL
68 #endif
69
70 typedef struct {
71 long tv_sec;
72 long tv_usec;
73 } qemu_timeval;
74 int qemu_gettimeofday(qemu_timeval *tp);
75
76 static inline bool is_daemonized(void)
77 {
78 return false;
79 }
80
81 static inline int os_mlock(void)
82 {
83 return -ENOSYS;
84 }
85
86 #define fsync _commit
87
88 #if !defined(lseek)
89 # define lseek _lseeki64
90 #endif
91
92 int qemu_ftruncate64(int, int64_t);
93
94 #if !defined(ftruncate)
95 # define ftruncate qemu_ftruncate64
96 #endif
97
98 static inline char *realpath(const char *path, char *resolved_path)
99 {
100 _fullpath(resolved_path, path, _MAX_PATH);
101 return resolved_path;
102 }
103
104 /* ??? Mingw appears to export _lock_file and _unlock_file as the functions
105 * with which to lock a stdio handle. But something is wrong in the markup,
106 * either in the header or the library, such that we get undefined references
107 * to "_imp___lock_file" etc when linking. Since we seem to have no other
108 * alternative, and the usage within the logging functions isn't critical,
109 * ignore FILE locking.
110 */
111
112 static inline void qemu_flockfile(FILE *f)
113 {
114 }
115
116 static inline void qemu_funlockfile(FILE *f)
117 {
118 }
119
120 /* We wrap all the sockets functions so that we can
121 * set errno based on WSAGetLastError()
122 */
123
124 #undef connect
125 #define connect qemu_connect_wrap
126 int qemu_connect_wrap(int sockfd, const struct sockaddr *addr,
127 socklen_t addrlen);
128
129 #undef listen
130 #define listen qemu_listen_wrap
131 int qemu_listen_wrap(int sockfd, int backlog);
132
133 #undef bind
134 #define bind qemu_bind_wrap
135 int qemu_bind_wrap(int sockfd, const struct sockaddr *addr,
136 socklen_t addrlen);
137
138 #undef socket
139 #define socket qemu_socket_wrap
140 int qemu_socket_wrap(int domain, int type, int protocol);
141
142 #undef accept
143 #define accept qemu_accept_wrap
144 int qemu_accept_wrap(int sockfd, struct sockaddr *addr,
145 socklen_t *addrlen);
146
147 #undef shutdown
148 #define shutdown qemu_shutdown_wrap
149 int qemu_shutdown_wrap(int sockfd, int how);
150
151 #undef ioctlsocket
152 #define ioctlsocket qemu_ioctlsocket_wrap
153 int qemu_ioctlsocket_wrap(int fd, int req, void *val);
154
155 #undef closesocket
156 #define closesocket qemu_closesocket_wrap
157 int qemu_closesocket_wrap(int fd);
158
159 #undef getsockopt
160 #define getsockopt qemu_getsockopt_wrap
161 int qemu_getsockopt_wrap(int sockfd, int level, int optname,
162 void *optval, socklen_t *optlen);
163
164 #undef setsockopt
165 #define setsockopt qemu_setsockopt_wrap
166 int qemu_setsockopt_wrap(int sockfd, int level, int optname,
167 const void *optval, socklen_t optlen);
168
169 #undef getpeername
170 #define getpeername qemu_getpeername_wrap
171 int qemu_getpeername_wrap(int sockfd, struct sockaddr *addr,
172 socklen_t *addrlen);
173
174 #undef getsockname
175 #define getsockname qemu_getsockname_wrap
176 int qemu_getsockname_wrap(int sockfd, struct sockaddr *addr,
177 socklen_t *addrlen);
178
179 #undef send
180 #define send qemu_send_wrap
181 ssize_t qemu_send_wrap(int sockfd, const void *buf, size_t len, int flags);
182
183 #undef sendto
184 #define sendto qemu_sendto_wrap
185 ssize_t qemu_sendto_wrap(int sockfd, const void *buf, size_t len, int flags,
186 const struct sockaddr *addr, socklen_t addrlen);
187
188 #undef recv
189 #define recv qemu_recv_wrap
190 ssize_t qemu_recv_wrap(int sockfd, void *buf, size_t len, int flags);
191
192 #undef recvfrom
193 #define recvfrom qemu_recvfrom_wrap
194 ssize_t qemu_recvfrom_wrap(int sockfd, void *buf, size_t len, int flags,
195 struct sockaddr *addr, socklen_t *addrlen);
196
197 #endif