*-------------------------------------------------------------------------
*/
-#ifdef WIN32
-/*
- * Need this to get defines for restricted tokens and jobs. And it
- * has to be set before any header from the Win32 API is loaded.
- */
-#define _WIN32_WINNT 0x0501
-#endif
-
#include "postgres_fe.h"
#include <fcntl.h>
#include "pg_config.h"
#include "pg_config_manual.h" /* must be after pg_config.h */
-
-/*
- * We always rely on the WIN32 macro being set by our build system,
- * but _WIN32 is the compiler pre-defined macro. So make sure we define
- * WIN32 whenever _WIN32 is set, to facilitate standalone building.
- */
-#if defined(_WIN32) && !defined(WIN32)
-#define WIN32
-#endif
-
-#if !defined(WIN32) && !defined(__CYGWIN__) /* win32 includes further down */
#include "pg_config_os.h" /* must be before any system header files */
-#endif
-
-#if _MSC_VER >= 1400 || defined(HAVE_CRTDEFS_H)
-#define errcode __msvc_errcode
-#include <crtdefs.h>
-#undef errcode
-#endif
-
-/*
- * We have to include stdlib.h here because it defines many of these macros
- * on some platforms, and we only want our definitions used if stdlib.h doesn't
- * have its own. The same goes for stddef and stdarg if present.
- */
+/* System header files that should be available everywhere in Postgres */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libintl.h>
#endif
-#if defined(WIN32) || defined(__CYGWIN__)
-/* We have to redefine some system functions after they are included above. */
-#include "pg_config_os.h"
-#endif
-
/* ----------------------------------------------------------------
* Section 1: compiler characteristics
#include <netdb.h>
#include <pwd.h>
+/*
+ * Windows has enough specialized port stuff that we push most of it off
+ * into another file.
+ * Note: Some CYGWIN includes might #define WIN32.
+ */
+#if defined(WIN32) && !defined(__CYGWIN__)
+#include "port/win32_port.h"
+#endif
+
/* socket has a different definition on WIN32 */
#ifndef WIN32
typedef int pgsocket;
/* Doesn't belong here, but this is used with find_other_exec(), so... */
#define PG_BACKEND_VERSIONSTR "postgres (PostgreSQL) " PG_VERSION "\n"
-/* Windows security token manipulation (in exec.c) */
-#ifdef WIN32
-extern BOOL AddUserToTokenDacl(HANDLE hToken);
-#endif
-
#if defined(WIN32) || defined(__CYGWIN__)
#define EXE ".exe"
#endif
#endif /* USE_REPL_SNPRINTF */
-#if defined(WIN32)
-/*
- * Versions of libintl >= 0.18? try to replace setlocale() with a macro
- * to their own versions. Remove the macro, if it exists, because it
- * ends up calling the wrong version when the backend and libintl use
- * different versions of msvcrt.
- */
-#if defined(setlocale)
-#undef setlocale
-#endif
-
-/*
- * Define our own wrapper macro around setlocale() to work around bugs in
- * Windows' native setlocale() function.
- */
-extern char *pgwin32_setlocale(int category, const char *locale);
-
-#define setlocale(a,b) pgwin32_setlocale(a,b)
-#endif /* WIN32 */
-
/* Portable prompt handling */
extern void simple_prompt(const char *prompt, char *destination, size_t destlen,
bool echo);
-#ifdef WIN32
-#define PG_SIGNAL_COUNT 32
-#define kill(pid,sig) pgkill(pid,sig)
-extern int pgkill(int pid, int sig);
-#endif
-
extern int pclose_check(FILE *stream);
/* Global variable holding time zone information. */
extern bool rmtree(const char *path, bool rmtopdir);
-/*
- * stat() is not guaranteed to set the st_size field on win32, so we
- * redefine it to our own implementation that is.
- *
- * We must pull in sys/stat.h here so the system header definition
- * goes in first, and we redefine that, and not the other way around.
- *
- * Some frontends don't need the size from stat, so if UNSAFE_STAT_OK
- * is defined we don't bother with this.
- */
-#if defined(WIN32) && !defined(__CYGWIN__) && !defined(UNSAFE_STAT_OK)
-#include <sys/stat.h>
-extern int pgwin32_safestat(const char *path, struct stat *buf);
-
-#define stat(a,b) pgwin32_safestat(a,b)
-#endif
-
#if defined(WIN32) && !defined(__CYGWIN__)
/*
extern char *crypt(const char *key, const char *setting);
#endif
-/* WIN32 handled in port/win32.h */
+/* WIN32 handled in port/win32_port.h */
#ifndef WIN32
#define pgoff_t off_t
#ifdef __NetBSD__
/* src/include/port/win32.h */
+/*
+ * We always rely on the WIN32 macro being set by our build system,
+ * but _WIN32 is the compiler pre-defined macro. So make sure we define
+ * WIN32 whenever _WIN32 is set, to facilitate standalone building.
+ */
+#if defined(_WIN32) && !defined(WIN32)
+#define WIN32
+#endif
+
/*
* Make sure _WIN32_WINNT has the minimum required value.
* Leave a higher value in place. When building with at least Visual
#endif
/*
- * Always build with SSPI support. Keep it as a #define in case
- * we want a switch to disable it sometime in the future.
+ * We need to prevent <crtdefs.h> from defining a symbol conflicting with
+ * our errcode() function. Since it's likely to get included by standard
+ * system headers, pre-emptively include it now.
*/
-#define ENABLE_SSPI 1
-
-/* 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(_MSC_VER)
-#define _WINSOCKAPI_
+#if _MSC_VER >= 1400 || defined(HAVE_CRTDEFS_H)
+#define errcode __msvc_errcode
+#include <crtdefs.h>
+#undef errcode
#endif
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#include <windows.h>
-#undef small
-#include <process.h>
-#include <signal.h>
-#include <errno.h>
-#include <direct.h>
-#include <sys/utime.h> /* for non-unicode version */
-#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
- *
+ * 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 */
+#else
#define PGDLLIMPORT __declspec (dllimport)
#endif
#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
-#define SIGUSR1 30
-#define SIGUSR2 31
-
-/*
- * 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 _MSC_VER
-#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 _MSC_VER
-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 */
-#ifdef _MSC_VER
-
-#ifndef _WIN64
-typedef long ssize_t;
-#else
-typedef __int64 ssize_t;
-#endif
-
-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)
-
-#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"
-
-#endif /* _MSC_VER */
-
-/* These aren't provided by either MingW or MSVC */
-#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
--- /dev/null
+/*-------------------------------------------------------------------------
+ *
+ * win32_port.h
+ * Windows-specific compatibility stuff.
+ *
+ * Note this is read in MinGW as well as native Windows builds,
+ * but not in Cygwin builds.
+ *
+ * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/port/win32_port.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PG_WIN32_PORT_H
+#define PG_WIN32_PORT_H
+
+/*
+ * Always build with SSPI support. Keep it as a #define in case
+ * we want a switch to disable it sometime in the future.
+ */
+#define ENABLE_SSPI 1
+
+/* 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(_MSC_VER)
+#define _WINSOCKAPI_
+#endif
+
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#include <windows.h>
+#undef small
+#include <process.h>
+#include <signal.h>
+#include <direct.h>
+#include <sys/utime.h> /* for non-unicode version */
+#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
+
+/*
+ * 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
+#define SIGUSR1 30
+#define SIGUSR2 31
+
+/*
+ * 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 _MSC_VER
+#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
+
+/*
+ * Win32 also doesn't have symlinks, but we can emulate them with
+ * junction points on newer Win32 versions.
+ *
+ * Cygwin has its own symlinks which work on Win95/98/ME where
+ * junction points don't, so use those instead. We have no way of
+ * knowing what type of system Cygwin binaries will be run on.
+ * Note: Some CYGWIN includes might #define WIN32.
+ */
+extern int pgsymlink(const char *oldpath, const char *newpath);
+extern int pgreadlink(const char *path, char *buf, size_t size);
+extern bool pgwin32_is_junction(const char *path);
+
+#define symlink(oldpath, newpath) pgsymlink(oldpath, newpath)
+#define readlink(path, buf, size) pgreadlink(path, buf, size)
+
+/*
+ * 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 _MSC_VER
+typedef int pid_t;
+#endif
+
+/*
+ * Supplement to <sys/stat.h>.
+ */
+#define lstat(path, sb) stat(path, sb)
+
+/*
+ * stat() is not guaranteed to set the st_size field on win32, so we
+ * redefine it to our own implementation that is.
+ *
+ * We must pull in sys/stat.h here so the system header definition
+ * goes in first, and we redefine that, and not the other way around.
+ *
+ * Some frontends don't need the size from stat, so if UNSAFE_STAT_OK
+ * is defined we don't bother with this.
+ */
+#ifndef UNSAFE_STAT_OK
+#include <sys/stat.h>
+extern int pgwin32_safestat(const char *path, struct stat *buf);
+
+#define stat(a,b) pgwin32_safestat(a,b)
+#endif
+
+/*
+ * 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
+
+/*
+ * Locale stuff.
+ *
+ * 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
+
+/*
+ * Versions of libintl >= 0.18? try to replace setlocale() with a macro
+ * to their own versions. Remove the macro, if it exists, because it
+ * ends up calling the wrong version when the backend and libintl use
+ * different versions of msvcrt.
+ */
+#if defined(setlocale)
+#undef setlocale
+#endif
+
+/*
+ * Define our own wrapper macro around setlocale() to work around bugs in
+ * Windows' native setlocale() function.
+ */
+extern char *pgwin32_setlocale(int category, const char *locale);
+
+#define setlocale(a,b) pgwin32_setlocale(a,b)
+
+
+/* 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)
+#define PG_SIGNAL_COUNT 32
+
+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 src/port/kill.c */
+#define kill(pid,sig) pgkill(pid,sig)
+extern int pgkill(int pid, int sig);
+
+/* 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 /* FRONTEND */
+
+/* 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);
+
+/* Windows security token manipulation (in src/common/exec.c) */
+extern BOOL AddUserToTokenDacl(HANDLE hToken);
+
+#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 */
+#ifdef _MSC_VER
+
+#ifndef _WIN64
+typedef long ssize_t;
+#else
+typedef __int64 ssize_t;
+#endif
+
+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)
+
+#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"
+
+#endif /* _MSC_VER */
+
+/* These aren't provided by either MinGW or MSVC */
+#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 /* PG_WIN32_PORT_H */
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