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