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. */
80 int ffs(int i);
81
82 /* Missing POSIX functions. Don't use MinGW-w64 macros. */
83 #undef gmtime_r
84 struct tm *gmtime_r(const time_t *timep, struct tm *result);
85 #undef localtime_r
86 struct tm *localtime_r(const time_t *timep, struct tm *result);
87
88 char *strtok_r(char *str, const char *delim, char **saveptr);
89
90 /* Polling handling */
91
92 /* return TRUE if no sleep should be done afterwards */
93 typedef int PollingFunc(void *opaque);
94
95 int qemu_add_polling_cb(PollingFunc *func, void *opaque);
96 void qemu_del_polling_cb(PollingFunc *func, void *opaque);
97
98 /* Wait objects handling */
99 typedef void WaitObjectFunc(void *opaque);
100
101 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
102 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
103
104 void os_host_main_loop_wait(int *timeout);
105
os_setup_signal_handling(void)106 static inline void os_setup_signal_handling(void) {}
os_daemonize(void)107 static inline void os_daemonize(void) {}
os_setup_post(void)108 static inline void os_setup_post(void) {}
109 void os_set_line_buffering(void);
os_set_proc_name(const char * dummy)110 static inline void os_set_proc_name(const char *dummy) {}
111
112 #if !defined(EPROTONOSUPPORT)
113 # define EPROTONOSUPPORT EINVAL
114 #endif
115
116 int setenv(const char *name, const char *value, int overwrite);
117
118 typedef struct {
119 long tv_sec;
120 long tv_usec;
121 } qemu_timeval;
122 int qemu_gettimeofday(qemu_timeval *tp);
123
is_daemonized(void)124 static inline bool is_daemonized(void)
125 {
126 return false;
127 }
128
os_mlock(void)129 static inline int os_mlock(void)
130 {
131 return -ENOSYS;
132 }
133
134 #endif
135