/* * win32 specific declarations * * Copyright (c) 2003-2008 Fabrice Bellard * Copyright (c) 2010 Jes Sorensen * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef QEMU_OS_WIN32_H #define QEMU_OS_WIN32_H #include #include #include #ifdef __cplusplus extern "C" { #endif #if defined(_WIN64) /* On w64, setjmp is implemented by _setjmp which needs a second parameter. * If this parameter is NULL, longjump does no stack unwinding. * That is what we need for QEMU. Passing the value of register rsp (default) * lets longjmp try a stack unwinding which will crash with generated code. */ # undef setjmp # define setjmp(env) _setjmp(env, NULL) #endif /* QEMU uses sigsetjmp()/siglongjmp() as the portable way to specify * "longjmp and don't touch the signal masks". Since we know that the * savemask parameter will always be zero we can safely define these * in terms of setjmp/longjmp on Win32. */ #define sigjmp_buf jmp_buf #define sigsetjmp(env, savemask) setjmp(env) #define siglongjmp(env, val) longjmp(env, val) /* Missing POSIX functions. Don't use MinGW-w64 macros. */ #ifndef _POSIX_THREAD_SAFE_FUNCTIONS #undef gmtime_r struct tm *gmtime_r(const time_t *timep, struct tm *result); #undef localtime_r struct tm *localtime_r(const time_t *timep, struct tm *result); #endif /* _POSIX_THREAD_SAFE_FUNCTIONS */ static inline void os_setup_signal_handling(void) {} static inline void os_daemonize(void) {} static inline void os_setup_post(void) {} static inline void os_set_proc_name(const char *dummy) {} static inline int os_parse_cmd_args(int index, const char *optarg) { return -1; } void os_set_line_buffering(void); void os_setup_early_signal_handling(void); int getpagesize(void); #if !defined(EPROTONOSUPPORT) # define EPROTONOSUPPORT EINVAL #endif static inline int os_set_daemonize(bool d) { if (d) { return -ENOTSUP; } return 0; } static inline bool is_daemonized(void) { return false; } static inline int os_mlock(void) { return -ENOSYS; } #define fsync _commit #if !defined(lseek) # define lseek _lseeki64 #endif int qemu_ftruncate64(int, int64_t); #if !defined(ftruncate) # define ftruncate qemu_ftruncate64 #endif static inline char *realpath(const char *path, char *resolved_path) { _fullpath(resolved_path, path, _MAX_PATH); return resolved_path; } /* ??? Mingw appears to export _lock_file and _unlock_file as the functions * with which to lock a stdio handle. But something is wrong in the markup, * either in the header or the library, such that we get undefined references * to "_imp___lock_file" etc when linking. Since we seem to have no other * alternative, and the usage within the logging functions isn't critical, * ignore FILE locking. */ static inline void qemu_flockfile(FILE *f) { } static inline void qemu_funlockfile(FILE *f) { } /* We wrap all the sockets functions so that we can * set errno based on WSAGetLastError() */ #undef connect #define connect qemu_connect_wrap int qemu_connect_wrap(int sockfd, const struct sockaddr *addr, socklen_t addrlen); #undef listen #define listen qemu_listen_wrap int qemu_listen_wrap(int sockfd, int backlog); #undef bind #define bind qemu_bind_wrap int qemu_bind_wrap(int sockfd, const struct sockaddr *addr, socklen_t addrlen); #undef socket #define socket qemu_socket_wrap int qemu_socket_wrap(int domain, int type, int protocol); #undef accept #define accept qemu_accept_wrap int qemu_accept_wrap(int sockfd, struct sockaddr *addr, socklen_t *addrlen); #undef shutdown #define shutdown qemu_shutdown_wrap int qemu_shutdown_wrap(int sockfd, int how); #undef ioctlsocket #define ioctlsocket qemu_ioctlsocket_wrap int qemu_ioctlsocket_wrap(int fd, int req, void *val); #undef closesocket #define closesocket qemu_closesocket_wrap int qemu_closesocket_wrap(int fd); #undef getsockopt #define getsockopt qemu_getsockopt_wrap int qemu_getsockopt_wrap(int sockfd, int level, int optname, void *optval, socklen_t *optlen); #undef setsockopt #define setsockopt qemu_setsockopt_wrap int qemu_setsockopt_wrap(int sockfd, int level, int optname, const void *optval, socklen_t optlen); #undef getpeername #define getpeername qemu_getpeername_wrap int qemu_getpeername_wrap(int sockfd, struct sockaddr *addr, socklen_t *addrlen); #undef getsockname #define getsockname qemu_getsockname_wrap int qemu_getsockname_wrap(int sockfd, struct sockaddr *addr, socklen_t *addrlen); #undef send #define send qemu_send_wrap ssize_t qemu_send_wrap(int sockfd, const void *buf, size_t len, int flags); #undef sendto #define sendto qemu_sendto_wrap ssize_t qemu_sendto_wrap(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *addr, socklen_t addrlen); #undef recv #define recv qemu_recv_wrap ssize_t qemu_recv_wrap(int sockfd, void *buf, size_t len, int flags); #undef recvfrom #define recvfrom qemu_recvfrom_wrap ssize_t qemu_recvfrom_wrap(int sockfd, void *buf, size_t len, int flags, struct sockaddr *addr, socklen_t *addrlen); #ifdef __cplusplus } #endif #endif