diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/bin/pg_ctl/pg_ctl.c | 8 | ||||
| -rw-r--r-- | src/include/c.h | 30 | ||||
| -rw-r--r-- | src/include/port.h | 59 | ||||
| -rw-r--r-- | src/include/port/win32.h | 427 | ||||
| -rw-r--r-- | src/include/port/win32_port.h | 483 |
5 files changed, 512 insertions, 495 deletions
diff --git a/src/bin/pg_ctl/pg_ctl.c b/src/bin/pg_ctl/pg_ctl.c index 82de7df0489..e43e7b24e18 100644 --- a/src/bin/pg_ctl/pg_ctl.c +++ b/src/bin/pg_ctl/pg_ctl.c @@ -9,14 +9,6 @@ *------------------------------------------------------------------------- */ -#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> diff --git a/src/include/c.h b/src/include/c.h index c8c7be1d216..a61428843a8 100644 --- a/src/include/c.h +++ b/src/include/c.h @@ -52,32 +52,9 @@ #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> @@ -99,11 +76,6 @@ #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 diff --git a/src/include/port.h b/src/include/port.h index 17a7710a5e2..f55085de3a1 100644 --- a/src/include/port.h +++ b/src/include/port.h @@ -17,6 +17,15 @@ #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; @@ -101,11 +110,6 @@ extern int find_other_exec(const char *argv0, const char *target, /* 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" @@ -185,36 +189,10 @@ extern int pg_printf(const char *fmt,...) pg_attribute_printf(1, 2); #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. */ @@ -262,23 +240,6 @@ extern bool pgwin32_is_junction(const char *path); 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__) /* @@ -353,7 +314,7 @@ extern int gettimeofday(struct timeval *tp, struct timezone *tzp); 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__ diff --git a/src/include/port/win32.h b/src/include/port/win32.h index 23f89748ac6..123b2100f8d 100644 --- a/src/include/port/win32.h +++ b/src/include/port/win32.h @@ -1,6 +1,15 @@ /* 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 * Studio 2015 the minimum requirement is Windows Vista (0x0600) to @@ -25,64 +34,26 @@ #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 @@ -91,365 +62,3 @@ #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 diff --git a/src/include/port/win32_port.h b/src/include/port/win32_port.h new file mode 100644 index 00000000000..db7dc16932d --- /dev/null +++ b/src/include/port/win32_port.h @@ -0,0 +1,483 @@ +/*------------------------------------------------------------------------- + * + * 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 */ |