LXR qemu/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 <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/* Declaration of ffs() is missing in MinGW's strings.h. */
  76int ffs(int i);
  77
  78/* Missing POSIX functions. Don't use MinGW-w64 macros. */
  79#undef gmtime_r
  80struct tm *gmtime_r(const time_t *timep, struct tm *result);
  81#undef localtime_r
  82struct tm *localtime_r(const time_t *timep, struct tm *result);
  83
  84char *strtok_r(char *str, const char *delim, char **saveptr);
  85
  86static inline void os_setup_signal_handling(void) {}
  87static inline void os_daemonize(void) {}
  88static inline void os_setup_post(void) {}
  89void os_set_line_buffering(void);
  90static inline void os_set_proc_name(const char *dummy) {}
  91
  92#if !defined(EPROTONOSUPPORT)
  93# define EPROTONOSUPPORT EINVAL
  94#endif
  95
  96int setenv(const char *name, const char *value, int overwrite);
  97
  98typedef struct {
  99    long tv_sec;
 100    long tv_usec;
 101} qemu_timeval;
 102int qemu_gettimeofday(qemu_timeval *tp);
 103
 104static inline bool is_daemonized(void)
 105{
 106    return false;
 107}
 108
 109static inline int os_mlock(void)
 110{
 111    return -ENOSYS;
 112}
 113
 114#endif
 115