2017-11-16 16:36:18 +01:00
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/*-------------------------------------------------------------------------
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*
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* win32_port.h
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* Windows-specific compatibility stuff.
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*
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* Note this is read in MinGW as well as native Windows builds,
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* but not in Cygwin builds.
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*
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2020-01-01 18:21:45 +01:00
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* Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
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2017-11-16 16:36:18 +01:00
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/port/win32_port.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PG_WIN32_PORT_H
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#define PG_WIN32_PORT_H
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/*
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* Always build with SSPI support. Keep it as a #define in case
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* we want a switch to disable it sometime in the future.
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*/
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#define ENABLE_SSPI 1
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/* undefine and redefine after #include */
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#undef mkdir
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#undef ERROR
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2017-11-16 18:03:04 +01:00
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/*
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* VS2013 and later issue warnings about using the old Winsock API,
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* which we don't really want to hear about.
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*/
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#ifdef _MSC_VER
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#define _WINSOCK_DEPRECATED_NO_WARNINGS
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#endif
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2017-11-16 16:36:18 +01:00
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/*
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* The MinGW64 headers choke if this is already defined - they
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* define it themselves.
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*/
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#if !defined(__MINGW64_VERSION_MAJOR) || defined(_MSC_VER)
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#define _WINSOCKAPI_
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#endif
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#include <windows.h>
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#undef small
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#include <process.h>
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#include <signal.h>
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#include <direct.h>
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#undef near
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2020-10-09 22:20:12 +02:00
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/* needed before sys/stat hacking below: */
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#define fstat microsoft_native_fstat
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#define stat microsoft_native_stat
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#include <sys/stat.h>
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#undef fstat
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#undef stat
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2017-11-16 16:36:18 +01:00
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/* Must be here to avoid conflicting with prototype in windows.h */
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#define mkdir(a,b) mkdir(a)
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#define ftruncate(a,b) chsize(a,b)
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/* Windows doesn't have fsync() as such, use _commit() */
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#define fsync(fd) _commit(fd)
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/*
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* For historical reasons, we allow setting wal_sync_method to
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* fsync_writethrough on Windows, even though it's really identical to fsync
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* (both code paths wind up at _commit()).
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*/
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#define HAVE_FSYNC_WRITETHROUGH
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#define FSYNC_WRITETHROUGH_IS_FSYNC
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#define USES_WINSOCK
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/*
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* IPC defines
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*/
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#undef HAVE_UNION_SEMUN
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#define HAVE_UNION_SEMUN 1
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#define IPC_RMID 256
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#define IPC_CREAT 512
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#define IPC_EXCL 1024
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#define IPC_PRIVATE 234564
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#define IPC_NOWAIT 2048
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#define IPC_STAT 4096
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#define EACCESS 2048
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#ifndef EIDRM
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#define EIDRM 4096
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#endif
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#define SETALL 8192
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#define GETNCNT 16384
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#define GETVAL 65536
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#define SETVAL 131072
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#define GETPID 262144
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/*
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* Signal stuff
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*
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* For WIN32, there is no wait() call so there are no wait() macros
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* to interpret the return value of system(). Instead, system()
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* return values < 0x100 are used for exit() termination, and higher
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2019-10-08 06:59:53 +02:00
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* values are used to indicate non-exit() termination, which is
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2017-11-16 16:36:18 +01:00
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* similar to a unix-style signal exit (think SIGSEGV ==
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* STATUS_ACCESS_VIOLATION). Return values are broken up into groups:
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*
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2019-10-08 06:59:53 +02:00
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* https://docs.microsoft.com/en-us/windows-hardware/drivers/kernel/using-ntstatus-values
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2017-11-16 16:36:18 +01:00
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*
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* NT_SUCCESS 0 - 0x3FFFFFFF
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* NT_INFORMATION 0x40000000 - 0x7FFFFFFF
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* NT_WARNING 0x80000000 - 0xBFFFFFFF
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* NT_ERROR 0xC0000000 - 0xFFFFFFFF
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*
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* Effectively, we don't care on the severity of the return value from
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* system(), we just need to know if it was because of exit() or generated
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* by the system, and it seems values >= 0x100 are system-generated.
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* See this URL for a list of WIN32 STATUS_* values:
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*
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* Wine (URL used in our error messages) -
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* http://source.winehq.org/source/include/ntstatus.h
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2019-10-08 06:59:53 +02:00
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* Descriptions -
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* https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-erref/596a1078-e883-4972-9bbc-49e60bebca55
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2017-11-16 16:36:18 +01:00
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*
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2019-10-08 06:59:53 +02:00
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* The comprehensive exception list is included in ntstatus.h from the
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* Windows Driver Kit (WDK). A subset of the list is also included in
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* winnt.h from the Windows SDK. Defining WIN32_NO_STATUS before including
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* windows.h helps to avoid any conflicts.
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2017-11-16 16:36:18 +01:00
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*
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* Some day we might want to print descriptions for the most common
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* exceptions, rather than printing an include file name. We could use
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* RtlNtStatusToDosError() and pass to FormatMessage(), which can print
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* the text of error values, but MinGW does not support
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* RtlNtStatusToDosError().
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*/
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#define WIFEXITED(w) (((w) & 0XFFFFFF00) == 0)
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#define WIFSIGNALED(w) (!WIFEXITED(w))
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#define WEXITSTATUS(w) (w)
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#define WTERMSIG(w) (w)
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#define sigmask(sig) ( 1 << ((sig)-1) )
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/* Signal function return values */
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#undef SIG_DFL
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#undef SIG_ERR
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#undef SIG_IGN
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#define SIG_DFL ((pqsigfunc)0)
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#define SIG_ERR ((pqsigfunc)-1)
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#define SIG_IGN ((pqsigfunc)1)
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/* Some extra signals */
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#define SIGHUP 1
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#define SIGQUIT 3
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#define SIGTRAP 5
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#define SIGABRT 22 /* Set to match W32 value -- not UNIX value */
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#define SIGKILL 9
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#define SIGPIPE 13
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#define SIGALRM 14
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#define SIGSTOP 17
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#define SIGTSTP 18
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#define SIGCONT 19
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#define SIGCHLD 20
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#define SIGWINCH 28
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#define SIGUSR1 30
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#define SIGUSR2 31
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/*
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* New versions of MinGW have gettimeofday() and also declare
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* struct timezone to support it.
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*/
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#ifndef HAVE_GETTIMEOFDAY
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struct timezone
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{
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int tz_minuteswest; /* Minutes west of GMT. */
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int tz_dsttime; /* Nonzero if DST is ever in effect. */
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};
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#endif
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/* for setitimer in backend/port/win32/timer.c */
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#define ITIMER_REAL 0
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struct itimerval
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{
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struct timeval it_interval;
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struct timeval it_value;
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};
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int setitimer(int which, const struct itimerval *value, struct itimerval *ovalue);
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/*
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* WIN32 does not provide 64-bit off_t, but does provide the functions operating
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* with 64-bit offsets.
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*/
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#define pgoff_t __int64
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2020-02-21 18:49:42 +01:00
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2017-11-16 16:36:18 +01:00
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#ifdef _MSC_VER
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#define fseeko(stream, offset, origin) _fseeki64(stream, offset, origin)
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#define ftello(stream) _ftelli64(stream)
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#else
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#ifndef fseeko
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#define fseeko(stream, offset, origin) fseeko64(stream, offset, origin)
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#endif
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#ifndef ftello
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#define ftello(stream) ftello64(stream)
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#endif
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#endif
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/*
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* Win32 also doesn't have symlinks, but we can emulate them with
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* junction points on newer Win32 versions.
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*
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* Cygwin has its own symlinks which work on Win95/98/ME where
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* junction points don't, so use those instead. We have no way of
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* knowing what type of system Cygwin binaries will be run on.
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* Note: Some CYGWIN includes might #define WIN32.
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*/
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extern int pgsymlink(const char *oldpath, const char *newpath);
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extern int pgreadlink(const char *path, char *buf, size_t size);
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extern bool pgwin32_is_junction(const char *path);
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#define symlink(oldpath, newpath) pgsymlink(oldpath, newpath)
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#define readlink(path, buf, size) pgreadlink(path, buf, size)
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/*
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* Supplement to <sys/types.h>.
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*
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* Perl already has typedefs for uid_t and gid_t.
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*/
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#ifndef PLPERL_HAVE_UID_GID
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typedef int uid_t;
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typedef int gid_t;
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#endif
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typedef long key_t;
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#ifdef _MSC_VER
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typedef int pid_t;
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#endif
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/*
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* Supplement to <sys/stat.h>.
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2017-11-16 23:57:38 +01:00
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*
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* We must pull in sys/stat.h before this part, else our overrides lose.
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2020-10-09 22:20:12 +02:00
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*
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2017-11-16 16:36:18 +01:00
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* stat() is not guaranteed to set the st_size field on win32, so we
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2020-10-09 22:20:12 +02:00
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* redefine it to our own implementation. See src/port/win32stat.c.
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2017-11-16 16:36:18 +01:00
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*
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2020-10-09 22:20:12 +02:00
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* The struct stat is 32 bit in MSVC, so we redefine it as a copy of
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* struct __stat64. This also fixes the struct size for MINGW builds.
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2017-11-16 16:36:18 +01:00
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*/
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2020-10-09 22:20:12 +02:00
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struct stat /* This should match struct __stat64 */
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{
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_dev_t st_dev;
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_ino_t st_ino;
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unsigned short st_mode;
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short st_nlink;
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short st_uid;
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short st_gid;
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_dev_t st_rdev;
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__int64 st_size;
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__time64_t st_atime;
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__time64_t st_mtime;
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__time64_t st_ctime;
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};
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extern int _pgfstat64(int fileno, struct stat *buf);
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extern int _pgstat64(const char *name, struct stat *buf);
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#define fstat(fileno, sb) _pgfstat64(fileno, sb)
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#define stat(path, sb) _pgstat64(path, sb)
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#define lstat(path, sb) _pgstat64(path, sb)
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2017-11-16 16:36:18 +01:00
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2017-11-16 23:57:38 +01:00
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/* These macros are not provided by older MinGW, nor by MSVC */
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#ifndef S_IRUSR
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#define S_IRUSR _S_IREAD
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#endif
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#ifndef S_IWUSR
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#define S_IWUSR _S_IWRITE
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#endif
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#ifndef S_IXUSR
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#define S_IXUSR _S_IEXEC
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#endif
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#ifndef S_IRWXU
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#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
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#endif
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#ifndef S_IRGRP
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#define S_IRGRP 0
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#endif
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#ifndef S_IWGRP
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#define S_IWGRP 0
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#endif
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#ifndef S_IXGRP
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#define S_IXGRP 0
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#endif
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#ifndef S_IRWXG
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#define S_IRWXG 0
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#endif
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#ifndef S_IROTH
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#define S_IROTH 0
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#endif
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#ifndef S_IWOTH
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#define S_IWOTH 0
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#endif
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#ifndef S_IXOTH
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#define S_IXOTH 0
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#endif
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#ifndef S_IRWXO
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#define S_IRWXO 0
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#endif
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#ifndef S_ISDIR
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#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
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#endif
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#ifndef S_ISREG
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#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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#endif
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|
2017-11-16 16:36:18 +01:00
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/*
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* Supplement to <fcntl.h>.
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* This is the same value as _O_NOINHERIT in the MS header file. This is
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* to ensure that we don't collide with a future definition. It means
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* we cannot use _O_NOINHERIT ourselves.
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*/
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#define O_DSYNC 0x0080
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/*
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* Supplement to <errno.h>.
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*
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* We redefine network-related Berkeley error symbols as the corresponding WSA
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Convert elog.c's useful_strerror() into a globally-used strerror wrapper.
elog.c has long had a private strerror wrapper that handles assorted
possible failures or deficiencies of the platform's strerror. On Windows,
it also knows how to translate Winsock error codes, which the native
strerror does not. Move all this code into src/port/strerror.c and
define strerror() as a macro that invokes it, so that both our frontend
and backend code will have all of this behavior.
I believe this constitutes an actual bug fix on Windows, since AFAICS
our frontend code did not report Winsock error codes properly before this.
However, the main point is to lay the groundwork for implementing %m
in src/port/snprintf.c: the behavior we want %m to have is this one,
not the native strerror's.
Note that this throws away the prior use of src/port/strerror.c,
which was to implement strerror() on platforms lacking it. That's
been dead code for nigh twenty years now, since strerror() was
already required by C89.
We should likewise cause strerror_r to use this behavior, but
I'll tackle that separately.
Patch by me, reviewed by Michael Paquier
Discussion: https://postgr.es/m/2975.1526862605@sss.pgh.pa.us
2018-09-26 17:06:42 +02:00
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* constants. This allows strerror.c to recognize them as being in the Winsock
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* error code range and pass them off to win32_socket_strerror(), since
|
2017-11-16 16:36:18 +01:00
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* Windows' version of plain strerror() won't cope. Note that this will break
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* if these names are used for anything else besides Windows Sockets errors.
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|
|
* 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);
|
2019-08-13 06:53:41 +02:00
|
|
|
int pgwin32_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, const struct timeval *timeout);
|
2017-11-16 16:36:18 +01:00
|
|
|
int pgwin32_recv(SOCKET s, char *buf, int len, int flags);
|
|
|
|
int pgwin32_send(SOCKET s, const void *buf, int len, int flags);
|
|
|
|
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 F_OK 0
|
|
|
|
#define W_OK 2
|
|
|
|
#define R_OK 4
|
|
|
|
|
2019-02-16 16:21:10 +01:00
|
|
|
/* Pulled from Makefile.port in MinGW */
|
|
|
|
#define DLSUFFIX ".dll"
|
|
|
|
|
|
|
|
#endif /* _MSC_VER */
|
|
|
|
|
2019-02-16 02:50:16 +01:00
|
|
|
#if (defined(_MSC_VER) && (_MSC_VER < 1900)) || \
|
|
|
|
defined(__MINGW32__) || defined(__MINGW64__)
|
2019-02-13 16:19:44 +01:00
|
|
|
/*
|
|
|
|
* VS2013 has a strtof() that seems to give correct answers for valid input,
|
|
|
|
* even on the rounding edge cases, but which doesn't handle out-of-range
|
|
|
|
* input correctly. Work around that.
|
2019-02-16 02:50:16 +01:00
|
|
|
*
|
|
|
|
* Mingw claims to have a strtof, and my reading of its source code suggests
|
|
|
|
* that it ought to work (and not need this hack), but the regression test
|
|
|
|
* results disagree with me; whether this is a version issue or not is not
|
|
|
|
* clear. However, using our wrapper (and the misrounded-input variant file,
|
|
|
|
* already required for supporting ancient systems) can't make things any
|
|
|
|
* worse, except for a tiny performance loss when reading zeros.
|
|
|
|
*
|
|
|
|
* See also cygwin.h for another instance of this.
|
2019-02-13 16:19:44 +01:00
|
|
|
*/
|
2019-02-16 02:50:16 +01:00
|
|
|
#define HAVE_BUGGY_STRTOF 1
|
2019-02-13 16:19:44 +01:00
|
|
|
#endif
|
|
|
|
|
2017-11-16 16:36:18 +01:00
|
|
|
#endif /* PG_WIN32_PORT_H */
|