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229 lines
6.4 KiB
C
229 lines
6.4 KiB
C
/*
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* win32 specific declarations
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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* Copyright (c) 2010 Jes Sorensen <Jes.Sorensen@redhat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef QEMU_OS_WIN32_H
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#define QEMU_OS_WIN32_H
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#include <winsock2.h>
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#include <windows.h>
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#include <ws2tcpip.h>
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#ifdef HAVE_AFUNIX_H
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#include <afunix.h>
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#else
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/*
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* Fallback definitions of things we need in afunix.h, if not available from
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* the used Windows SDK or MinGW headers.
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*/
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#define UNIX_PATH_MAX 108
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typedef struct sockaddr_un {
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ADDRESS_FAMILY sun_family;
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char sun_path[UNIX_PATH_MAX];
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} SOCKADDR_UN, *PSOCKADDR_UN;
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#define SIO_AF_UNIX_GETPEERPID _WSAIOR(IOC_VENDOR, 256)
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(_WIN64)
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/* On w64, setjmp is implemented by _setjmp which needs a second parameter.
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* If this parameter is NULL, longjump does no stack unwinding.
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* That is what we need for QEMU. Passing the value of register rsp (default)
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* lets longjmp try a stack unwinding which will crash with generated code. */
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# undef setjmp
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# define setjmp(env) _setjmp(env, NULL)
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#endif
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/* QEMU uses sigsetjmp()/siglongjmp() as the portable way to specify
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* "longjmp and don't touch the signal masks". Since we know that the
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* savemask parameter will always be zero we can safely define these
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* in terms of setjmp/longjmp on Win32.
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*/
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#define sigjmp_buf jmp_buf
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#define sigsetjmp(env, savemask) setjmp(env)
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#define siglongjmp(env, val) longjmp(env, val)
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/* Missing POSIX functions. Don't use MinGW-w64 macros. */
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#ifndef _POSIX_THREAD_SAFE_FUNCTIONS
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#undef gmtime_r
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struct tm *gmtime_r(const time_t *timep, struct tm *result);
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#undef localtime_r
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struct tm *localtime_r(const time_t *timep, struct tm *result);
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#endif /* _POSIX_THREAD_SAFE_FUNCTIONS */
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static inline void os_setup_signal_handling(void) {}
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static inline void os_daemonize(void) {}
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static inline void os_setup_post(void) {}
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static inline void os_set_proc_name(const char *dummy) {}
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static inline int os_parse_cmd_args(int index, const char *optarg) { return -1; }
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void os_set_line_buffering(void);
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void os_setup_early_signal_handling(void);
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int getpagesize(void);
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#if !defined(EPROTONOSUPPORT)
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# define EPROTONOSUPPORT EINVAL
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#endif
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static inline int os_set_daemonize(bool d)
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{
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if (d) {
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return -ENOTSUP;
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}
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return 0;
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}
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static inline bool is_daemonized(void)
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{
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return false;
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}
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static inline int os_mlock(void)
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{
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return -ENOSYS;
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}
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#define fsync _commit
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#if !defined(lseek)
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# define lseek _lseeki64
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#endif
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int qemu_ftruncate64(int, int64_t);
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#if !defined(ftruncate)
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# define ftruncate qemu_ftruncate64
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#endif
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static inline char *realpath(const char *path, char *resolved_path)
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{
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_fullpath(resolved_path, path, _MAX_PATH);
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return resolved_path;
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}
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/*
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* Older versions of MinGW do not import _lock_file and _unlock_file properly.
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* This was fixed for v6.0.0 with commit b48e3ac8969d.
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*/
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static inline void qemu_flockfile(FILE *f)
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{
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#ifdef HAVE__LOCK_FILE
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_lock_file(f);
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#endif
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}
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static inline void qemu_funlockfile(FILE *f)
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{
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#ifdef HAVE__LOCK_FILE
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_unlock_file(f);
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#endif
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}
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/* We wrap all the sockets functions so that we can
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* set errno based on WSAGetLastError()
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*/
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#undef connect
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#define connect qemu_connect_wrap
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int qemu_connect_wrap(int sockfd, const struct sockaddr *addr,
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socklen_t addrlen);
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#undef listen
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#define listen qemu_listen_wrap
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int qemu_listen_wrap(int sockfd, int backlog);
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#undef bind
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#define bind qemu_bind_wrap
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int qemu_bind_wrap(int sockfd, const struct sockaddr *addr,
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socklen_t addrlen);
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#undef socket
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#define socket qemu_socket_wrap
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int qemu_socket_wrap(int domain, int type, int protocol);
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#undef accept
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#define accept qemu_accept_wrap
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int qemu_accept_wrap(int sockfd, struct sockaddr *addr,
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socklen_t *addrlen);
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#undef shutdown
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#define shutdown qemu_shutdown_wrap
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int qemu_shutdown_wrap(int sockfd, int how);
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#undef ioctlsocket
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#define ioctlsocket qemu_ioctlsocket_wrap
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int qemu_ioctlsocket_wrap(int fd, int req, void *val);
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#undef closesocket
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#define closesocket qemu_closesocket_wrap
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int qemu_closesocket_wrap(int fd);
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#undef getsockopt
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#define getsockopt qemu_getsockopt_wrap
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int qemu_getsockopt_wrap(int sockfd, int level, int optname,
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void *optval, socklen_t *optlen);
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#undef setsockopt
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#define setsockopt qemu_setsockopt_wrap
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int qemu_setsockopt_wrap(int sockfd, int level, int optname,
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const void *optval, socklen_t optlen);
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#undef getpeername
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#define getpeername qemu_getpeername_wrap
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int qemu_getpeername_wrap(int sockfd, struct sockaddr *addr,
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socklen_t *addrlen);
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#undef getsockname
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#define getsockname qemu_getsockname_wrap
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int qemu_getsockname_wrap(int sockfd, struct sockaddr *addr,
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socklen_t *addrlen);
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#undef send
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#define send qemu_send_wrap
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ssize_t qemu_send_wrap(int sockfd, const void *buf, size_t len, int flags);
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#undef sendto
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#define sendto qemu_sendto_wrap
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ssize_t qemu_sendto_wrap(int sockfd, const void *buf, size_t len, int flags,
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const struct sockaddr *addr, socklen_t addrlen);
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#undef recv
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#define recv qemu_recv_wrap
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ssize_t qemu_recv_wrap(int sockfd, void *buf, size_t len, int flags);
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#undef recvfrom
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#define recvfrom qemu_recvfrom_wrap
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ssize_t qemu_recvfrom_wrap(int sockfd, void *buf, size_t len, int flags,
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struct sockaddr *addr, socklen_t *addrlen);
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#ifdef __cplusplus
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}
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#endif
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#endif
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