最近在做window下的USB通訊，故整理出這些源碼

/* src/include/port/win32.h */#if defined(_MSC_VER) || defined(__BORLANDC__) #define WIN32_ONLY_COMPILER #endif/** Make sure _WIN32_WINNT has the minimum required value.* Leave a higher value in place. When building with at least Visual* Studio 2015 the minimum requirement is Windows Vista (0x0600) to* get support for GetLocaleInfoEx() with locales. For everything else* the minimum version is Windows XP (0x0501).* Also for VS2015, add a define that stops compiler complaints about* using the old Winsock API.*/ #if defined(_MSC_VER) && _MSC_VER >= 1900 #define _WINSOCK_DEPRECATED_NO_WARNINGS #define MIN_WINNT 0x0600 #else #define MIN_WINNT 0x0501 #endif#if defined(_WIN32_WINNT) && _WIN32_WINNT < MIN_WINNT #undef _WIN32_WINNT #endif#ifndef _WIN32_WINNT #define _WIN32_WINNT MIN_WINNT #endif/** Always build with SSPI support. Keep it as a #define in case* we want a switch to disable it sometime in the future.*/ #ifndef __BORLANDC__ #define ENABLE_SSPI 1 #endif/* undefine and redefine after #include */ #undef mkdir#undef ERROR/** The Mingw64 headers choke if this is already defined - they* define it themselves.*/ #if !defined(__MINGW64_VERSION_MAJOR) || defined(WIN32_ONLY_COMPILER) #define _WINSOCKAPI_ #endif #include <winsock2.h> #include <ws2tcpip.h> #include <windows.h> #undef small #include <process.h> #include <signal.h> #include <errno.h> #include <direct.h> #ifndef __BORLANDC__ #include <sys/utime.h> /* for non-unicode version */ #endif #undef near/* Must be here to avoid conflicting with prototype in windows.h */ #define mkdir(a,b) mkdir(a)#define ftruncate(a,b) chsize(a,b)/* Windows doesn't have fsync() as such, use _commit() */ #define fsync(fd) _commit(fd)/** For historical reasons, we allow setting wal_sync_method to* fsync_writethrough on Windows, even though it's really identical to fsync* (both code paths wind up at _commit()).*/ #define HAVE_FSYNC_WRITETHROUGH #define FSYNC_WRITETHROUGH_IS_FSYNC#define USES_WINSOCK/* defines for dynamic linking on Win32 platform** http://support.microsoft.com/kb/132044* http://msdn.microsoft.com/en-us/library/8fskxacy(v=vs.80).aspx* http://msdn.microsoft.com/en-us/library/a90k134d(v=vs.80).aspx*/#if defined(WIN32) || defined(__CYGWIN__)#ifdef BUILDING_DLL #define PGDLLIMPORT __declspec (dllexport) #else /* not BUILDING_DLL */ #define PGDLLIMPORT __declspec (dllimport) #endif#ifdef _MSC_VER #define PGDLLEXPORT __declspec (dllexport) #else #define PGDLLEXPORT #endif #else /* not CYGWIN, not MSVC, not MingW */ #define PGDLLIMPORT #define PGDLLEXPORT #endif/** IPC defines*/ #undef HAVE_UNION_SEMUN #define HAVE_UNION_SEMUN 1#define IPC_RMID 256 #define IPC_CREAT 512 #define IPC_EXCL 1024 #define IPC_PRIVATE 234564 #define IPC_NOWAIT 2048 #define IPC_STAT 4096#define EACCESS 2048 #ifndef EIDRM #define EIDRM 4096 #endif#define SETALL 8192 #define GETNCNT 16384 #define GETVAL 65536 #define SETVAL 131072 #define GETPID 262144/** Signal stuff** For WIN32, there is no wait() call so there are no wait() macros* to interpret the return value of system(). Instead, system()* return values < 0x100 are used for exit() termination, and higher* values are used to indicated non-exit() termination, which is* similar to a unix-style signal exit (think SIGSEGV ==* STATUS_ACCESS_VIOLATION). Return values are broken up into groups:** http://msdn2.microsoft.com/en-gb/library/aa489609.aspx** NT_SUCCESS 0 - 0x3FFFFFFF* NT_INFORMATION 0x40000000 - 0x7FFFFFFF* NT_WARNING 0x80000000 - 0xBFFFFFFF* NT_ERROR 0xC0000000 - 0xFFFFFFFF** Effectively, we don't care on the severity of the return value from* system(), we just need to know if it was because of exit() or generated* by the system, and it seems values >= 0x100 are system-generated.* See this URL for a list of WIN32 STATUS_* values:** Wine (URL used in our error messages) -* http://source.winehq.org/source/include/ntstatus.h* Descriptions - http://www.comp.nus.edu.sg/~wuyongzh/my_doc/ntstatus.txt* MS SDK - http://www.nologs.com/ntstatus.html** It seems the exception lists are in both ntstatus.h and winnt.h, but* ntstatus.h has a more comprehensive list, and it only contains* exception values, rather than winnt, which contains lots of other* things:** http://www.microsoft.com/msj/0197/exception/exception.aspx** The ExceptionCode parameter is the number that the operating system* assigned to the exception. You can see a list of various exception codes* in WINNT.H by searching for #defines that start with "STATUS_". For* example, the code for the all-too-familiar STATUS_ACCESS_VIOLATION is* 0xC0000005. A more complete set of exception codes can be found in* NTSTATUS.H from the Windows NT DDK.** Some day we might want to print descriptions for the most common* exceptions, rather than printing an include file name. We could use* RtlNtStatusToDosError() and pass to FormatMessage(), which can print* the text of error values, but MinGW does not support* RtlNtStatusToDosError().*/ #define WIFEXITED(w) (((w) & 0XFFFFFF00) == 0) #define WIFSIGNALED(w) (!WIFEXITED(w)) #define WEXITSTATUS(w) (w) #define WTERMSIG(w) (w)#define sigmask(sig) ( 1 << ((sig)-1) )/* Signal function return values */ #undef SIG_DFL #undef SIG_ERR #undef SIG_IGN #define SIG_DFL ((pqsigfunc)0) #define SIG_ERR ((pqsigfunc)-1) #define SIG_IGN ((pqsigfunc)1)/* Some extra signals */ #define SIGHUP 1 #define SIGQUIT 3 #define SIGTRAP 5 #define SIGABRT 22 /* Set to match W32 value -- not UNIX value */ #define SIGKILL 9 #define SIGPIPE 13 #define SIGALRM 14 #define SIGSTOP 17 #define SIGTSTP 18 #define SIGCONT 19 #define SIGCHLD 20 #define SIGTTIN 21 #define SIGTTOU 22 /* Same as SIGABRT -- no problem, I hope */ #define SIGWINCH 28 #ifndef __BORLANDC__ #define SIGUSR1 30 #define SIGUSR2 31 #endif/** New versions of mingw have gettimeofday() and also declare* struct timezone to support it.*/ #ifndef HAVE_GETTIMEOFDAY struct timezone {int tz_minuteswest; /* Minutes west of GMT. */int tz_dsttime; /* Nonzero if DST is ever in effect. */ }; #endif/* for setitimer in backend/port/win32/timer.c */ #define ITIMER_REAL 0 struct itimerval {struct timeval it_interval;struct timeval it_value; };int setitimer(int which, const struct itimerval * value, struct itimerval * ovalue);/** WIN32 does not provide 64-bit off_t, but does provide the functions operating* with 64-bit offsets.*/ #define pgoff_t __int64 #ifdef WIN32_ONLY_COMPILER #define fseeko(stream, offset, origin) _fseeki64(stream, offset, origin) #define ftello(stream) _ftelli64(stream) #else #ifndef fseeko #define fseeko(stream, offset, origin) fseeko64(stream, offset, origin) #endif #ifndef ftello #define ftello(stream) ftello64(stream) #endif #endif/** Supplement to <sys/types.h>.** Perl already has typedefs for uid_t and gid_t.*/ #ifndef PLPERL_HAVE_UID_GID typedef int uid_t; typedef int gid_t; #endif typedef long key_t;#ifdef WIN32_ONLY_COMPILER typedef int pid_t; #endif/** Supplement to <sys/stat.h>.*/ #define lstat(path, sb) stat((path), (sb))/** Supplement to <fcntl.h>.* This is the same value as _O_NOINHERIT in the MS header file. This is* to ensure that we don't collide with a future definition. It means* we cannot use _O_NOINHERIT ourselves.*/ #define O_DSYNC 0x0080/** Supplement to <errno.h>.** We redefine network-related Berkeley error symbols as the corresponding WSA* constants. This allows elog.c to recognize them as being in the Winsock* error code range and pass them off to pgwin32_socket_strerror(), since* Windows' version of plain strerror() won't cope. Note that this will break* if these names are used for anything else besides Windows Sockets errors.* See TranslateSocketError() when changing this list.*/ #undef EAGAIN #define EAGAIN WSAEWOULDBLOCK #undef EINTR #define EINTR WSAEINTR #undef EMSGSIZE #define EMSGSIZE WSAEMSGSIZE #undef EAFNOSUPPORT #define EAFNOSUPPORT WSAEAFNOSUPPORT #undef EWOULDBLOCK #define EWOULDBLOCK WSAEWOULDBLOCK #undef ECONNABORTED #define ECONNABORTED WSAECONNABORTED #undef ECONNRESET #define ECONNRESET WSAECONNRESET #undef EINPROGRESS #define EINPROGRESS WSAEINPROGRESS #undef EISCONN #define EISCONN WSAEISCONN #undef ENOBUFS #define ENOBUFS WSAENOBUFS #undef EPROTONOSUPPORT #define EPROTONOSUPPORT WSAEPROTONOSUPPORT #undef ECONNREFUSED #define ECONNREFUSED WSAECONNREFUSED #undef ENOTSOCK #define ENOTSOCK WSAENOTSOCK #undef EOPNOTSUPP #define EOPNOTSUPP WSAEOPNOTSUPP #undef EADDRINUSE #define EADDRINUSE WSAEADDRINUSE #undef EADDRNOTAVAIL #define EADDRNOTAVAIL WSAEADDRNOTAVAIL #undef EHOSTUNREACH #define EHOSTUNREACH WSAEHOSTUNREACH #undef ENOTCONN #define ENOTCONN WSAENOTCONN/** Extended locale functions with gratuitous underscore prefixes.* (These APIs are nevertheless fully documented by Microsoft.)*/ #define locale_t _locale_t #define tolower_l _tolower_l #define toupper_l _toupper_l #define towlower_l _towlower_l #define towupper_l _towupper_l #define isdigit_l _isdigit_l #define iswdigit_l _iswdigit_l #define isalpha_l _isalpha_l #define iswalpha_l _iswalpha_l #define isalnum_l _isalnum_l #define iswalnum_l _iswalnum_l #define isupper_l _isupper_l #define iswupper_l _iswupper_l #define islower_l _islower_l #define iswlower_l _iswlower_l #define isgraph_l _isgraph_l #define iswgraph_l _iswgraph_l #define isprint_l _isprint_l #define iswprint_l _iswprint_l #define ispunct_l _ispunct_l #define iswpunct_l _iswpunct_l #define isspace_l _isspace_l #define iswspace_l _iswspace_l #define strcoll_l _strcoll_l #define strxfrm_l _strxfrm_l #define wcscoll_l _wcscoll_l #define wcstombs_l _wcstombs_l #define mbstowcs_l _mbstowcs_l/* In backend/port/win32/signal.c */ extern PGDLLIMPORT volatile int pg_signal_queue; extern PGDLLIMPORT int pg_signal_mask; extern HANDLE pgwin32_signal_event; extern HANDLE pgwin32_initial_signal_pipe;#define UNBLOCKED_SIGNAL_QUEUE() (pg_signal_queue & ~pg_signal_mask)void pgwin32_signal_initialize(void); HANDLE pgwin32_create_signal_listener(pid_t pid); void pgwin32_dispatch_queued_signals(void); void pg_queue_signal(int signum);/* In backend/port/win32/socket.c */ #ifndef FRONTEND #define socket(af, type, protocol) pgwin32_socket(af, type, protocol) #define bind(s, addr, addrlen) pgwin32_bind(s, addr, addrlen) #define listen(s, backlog) pgwin32_listen(s, backlog) #define accept(s, addr, addrlen) pgwin32_accept(s, addr, addrlen) #define connect(s, name, namelen) pgwin32_connect(s, name, namelen) #define select(n, r, w, e, timeout) pgwin32_select(n, r, w, e, timeout) #define recv(s, buf, len, flags) pgwin32_recv(s, buf, len, flags) #define send(s, buf, len, flags) pgwin32_send(s, buf, len, flags)SOCKET pgwin32_socket(int af, int type, int protocol); int pgwin32_bind(SOCKET s, struct sockaddr * addr, int addrlen); int pgwin32_listen(SOCKET s, int backlog); SOCKET pgwin32_accept(SOCKET s, struct sockaddr * addr, int *addrlen); int pgwin32_connect(SOCKET s, const struct sockaddr * name, int namelen); int pgwin32_select(int nfds, fd_set *readfs, fd_set *writefds, fd_set *exceptfds, const struct timeval * timeout); int pgwin32_recv(SOCKET s, char *buf, int len, int flags); int pgwin32_send(SOCKET s, const void *buf, int len, int flags);const char *pgwin32_socket_strerror(int err); int pgwin32_waitforsinglesocket(SOCKET s, int what, int timeout);extern int pgwin32_noblock;#endif/* in backend/port/win32_shmem.c */ extern int pgwin32_ReserveSharedMemoryRegion(HANDLE);/* in backend/port/win32/crashdump.c */ extern void pgwin32_install_crashdump_handler(void);/* in port/win32error.c */ extern void _dosmaperr(unsigned long);/* in port/win32env.c */ extern int pgwin32_putenv(const char *); extern void pgwin32_unsetenv(const char *);/* in port/win32security.c */ extern int pgwin32_is_service(void); extern int pgwin32_is_admin(void);#define putenv(x) pgwin32_putenv(x) #define unsetenv(x) pgwin32_unsetenv(x)/* Things that exist in MingW headers, but need to be added to MSVC & BCC */ #ifdef WIN32_ONLY_COMPILER#ifndef _WIN64 typedef long ssize_t; #else typedef __int64 ssize_t; #endif#ifndef __BORLANDC__ typedef unsigned short mode_t;#define S_IRUSR _S_IREAD #define S_IWUSR _S_IWRITE #define S_IXUSR _S_IEXEC #define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR) /* see also S_IRGRP etc below */ #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) #endif /* __BORLANDC__ */#define F_OK 0 #define W_OK 2 #define R_OK 4#if (_MSC_VER < 1800) #define isinf(x) ((_fpclass(x) == _FPCLASS_PINF) || (_fpclass(x) == _FPCLASS_NINF)) #define isnan(x) _isnan(x) #endif/* Pulled from Makefile.port in mingw */ #define DLSUFFIX ".dll"#ifdef __BORLANDC__/* for port/dirent.c */ #ifndef INVALID_FILE_ATTRIBUTES #define INVALID_FILE_ATTRIBUTES ((DWORD) -1) #endif/* for port/open.c */ #ifndef O_RANDOM #define O_RANDOM 0x0010 /* File access is primarily random */ #define O_SEQUENTIAL 0x0020 /* File access is primarily sequential */ #define O_TEMPORARY 0x0040 /* Temporary file bit */ #define O_SHORT_LIVED 0x1000 /* Temporary storage file, try not to flush */ #define _O_SHORT_LIVED O_SHORT_LIVED #endif /* ifndef O_RANDOM */ #endif /* __BORLANDC__ */ #endif /* WIN32_ONLY_COMPILER *//* These aren't provided by either MingW or MSVC */ #ifndef __BORLANDC__ #define S_IRGRP 0 #define S_IWGRP 0 #define S_IXGRP 0 #define S_IRWXG 0 #define S_IROTH 0 #define S_IWOTH 0 #define S_IXOTH 0 #define S_IRWXO 0#endif /* __BORLANDC__ */

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