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Commit495ed0e

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Make Windows 10 the minimal runtime requirement for WIN32
This commit bumps the runtime value of _WIN32_WINNT to be 0x0A00 for anybuilds on Windows. Hence, this makes Windows 10 the minimal requirementwhen running PostgreSQL under WIN32, be it for builds of Cygwin, MinGWor Visual Studio.The previous minimal runtime version was either Windows Vista whenbuilding with at least Visual Studio 2015 or Windows XP for the rest.Windows 10 is the most modern version supported by Microsoft, and perdiscussion, as we don't have buildfarm members that run older versionsanymore, this is the minimal supported version that suits better for ourneeds. This will actually make easier the development of some patches,two being async I/O and large page handling by avoiding a lot ofcompatibility gotchas, on platforms that have most likely few usersanyway.It is possible to remove MIN_WINNT in win32.h and the macrosIsWindowsXXXOrGreater() that were used in the code at runtime to checkwhich version of Windows was getting used. The change in pg_locale.ccomes from Juan. Note that all my tests passed, and that the CI isgreen. The buildfarm will quickly tell if this needs more adjustments.Author: Michael Paquier, Juan José Santamaría FlechaReviewed-by: Thomas MunroDiscussion:https://postgr.es/m/Yo7tHKD8VCkeNi71@paquier.xyz
1 parentd547f7c commit495ed0e

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6 files changed

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6 files changed

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‎doc/src/sgml/install-windows.sgml

Lines changed: 2 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -82,11 +82,7 @@
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as well as standalone Windows SDK releases 8.1a to 10.
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64-bit PostgreSQL builds are supported with
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<productname>Microsoft Windows SDK</productname> version 8.1a to 10 or
85-
<productname>Visual Studio 2013</productname> and above. Compilation
86-
is supported down to <productname>Windows 7</productname> and
87-
<productname>Windows Server 2008 R2 SP1</productname> when building with
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<productname>Visual Studio 2013</productname> to
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<productname>Visual Studio 2022</productname>.
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<productname>Visual Studio 2013</productname> and above.
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<!--
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For 2013 requirements:
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https://docs.microsoft.com/en-us/visualstudio/productinfo/vs2013-sysrequirements-vs
@@ -358,8 +354,7 @@ $ENV{MSBFLAGS}="/m";
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<title>Special Considerations for 64-Bit Windows</title>
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<para>
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PostgreSQL will only build for the x64 architecture on 64-bit Windows, there
362-
is no support for Itanium processors.
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PostgreSQL will only build for the x64 architecture on 64-bit Windows.
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</para>
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<para>

‎doc/src/sgml/installation.sgml

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Original file line numberDiff line numberDiff line change
@@ -2136,7 +2136,7 @@ export MANPATH
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<para>
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<productname>PostgreSQL</productname> can be expected to work on these operating
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systems: Linux (all recent distributions), Windows (XP and later),
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systems: Linux (all recent distributions), Windows (10 and later),
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FreeBSD, OpenBSD, NetBSD, macOS, AIX, HP/UX, and Solaris.
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Other Unix-like systems may also work but are not currently
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being tested. In most cases, all CPU architectures supported by
@@ -2323,16 +2323,15 @@ ERROR: could not load library "/opt/dbs/pgsql/lib/plperl.so": Bad address
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<listitem>
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<para>
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The <command>adduser</command> command is not supported; use
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the appropriate user management application on Windows NT,
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2000, or XP.Otherwise, skip this step.
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the appropriate user management application on Windows.
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Otherwise, skip this step.
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</para>
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</listitem>
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<listitem>
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<para>
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The <command>su</command> command is not supported; use ssh to
2334-
simulate su on Windows NT, 2000, or XP. Otherwise, skip this
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step.
2334+
simulate su on Windows. Otherwise, skip this step.
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</para>
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</listitem>
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‎src/backend/main/main.c

Lines changed: 0 additions & 17 deletions
Original file line numberDiff line numberDiff line change
@@ -290,23 +290,6 @@ startup_hacks(const char *progname)
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_CrtSetReportFile(_CRT_ASSERT,_CRTDBG_FILE_STDERR);
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_CrtSetReportMode(_CRT_WARN,_CRTDBG_MODE_FILE |_CRTDBG_MODE_DEBUG);
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_CrtSetReportFile(_CRT_WARN,_CRTDBG_FILE_STDERR);
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#if defined(_M_AMD64)&&_MSC_VER==1800
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/*----------
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* Avoid crashing in certain floating-point operations if we were
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* compiled for x64 with MS Visual Studio 2013 and are running on
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* Windows prior to 7/2008R2 SP1 on an AVX2-capable CPU.
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*
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* Ref: https://connect.microsoft.com/VisualStudio/feedback/details/811093/visual-studio-2013-rtm-c-x64-code-generation-bug-for-avx2-instructions
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*----------
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*/
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if (!IsWindows7SP1OrGreater())
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{
306-
_set_FMA3_enable(0);
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}
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#endif/* defined(_M_AMD64) && _MSC_VER == 1800 */
309-
310293
}
311294
#endif/* WIN32 */
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‎src/backend/utils/adt/pg_locale.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1719,7 +1719,7 @@ get_collation_actual_version(char collprovider, const char *collcollate)
17191719
else
17201720
ereport(ERROR,
17211721
(errmsg("could not load locale \"%s\"",collcollate)));
1722-
#elif defined(WIN32)&&_WIN32_WINNT >=0x0600
1722+
#elif defined(WIN32)
17231723
/*
17241724
* If we are targeting Windows Vista and above, we can ask for a name
17251725
* given a collation name (earlier versions required a location code
@@ -1747,7 +1747,7 @@ get_collation_actual_version(char collprovider, const char *collcollate)
17471747
collcollate,
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GetLastError())));
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}
1750-
collversion=psprintf("%d.%d,%d.%d",
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collversion=psprintf("%ld.%ld,%ld.%ld",
17511751
(version.dwNLSVersion >>8)&0xFFFF,
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version.dwNLSVersion&0xFF,
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(version.dwDefinedVersion >>8)&0xFFFF,

‎src/bin/pg_ctl/pg_ctl.c

Lines changed: 2 additions & 24 deletions
Original file line numberDiff line numberDiff line change
@@ -1896,17 +1896,8 @@ CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION *processInfo, bool as_ser
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/* Verify that we found all functions */
18971897
if (_IsProcessInJob==NULL||_CreateJobObject==NULL||_SetInformationJobObject==NULL||_AssignProcessToJobObject==NULL||_QueryInformationJobObject==NULL)
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{
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/*
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* IsProcessInJob() is not available on < WinXP, so there is no need
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* to log the error every time in that case
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*/
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if (IsWindowsXPOrGreater())
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/*
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* Log error if we can't get version, or if we're on WinXP/2003 or
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* newer
1908-
*/
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write_stderr(_("%s: WARNING: could not locate all job object functions in system API\n"),progname);
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/* Log error if we can't get version */
1900+
write_stderr(_("%s: WARNING: could not locate all job object functions in system API\n"),progname);
19101901
}
19111902
else
19121903
{
@@ -1946,19 +1937,6 @@ CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION *processInfo, bool as_ser
19461937
JOB_OBJECT_UILIMIT_EXITWINDOWS |JOB_OBJECT_UILIMIT_READCLIPBOARD |
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JOB_OBJECT_UILIMIT_SYSTEMPARAMETERS |JOB_OBJECT_UILIMIT_WRITECLIPBOARD;
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if (as_service)
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{
1951-
if (!IsWindows7OrGreater())
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{
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/*
1954-
* On Windows 7 (and presumably later),
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* JOB_OBJECT_UILIMIT_HANDLES prevents us from
1956-
* starting as a service. So we only enable it on
1957-
* Vista and earlier (version <= 6.0)
1958-
*/
1959-
uiRestrictions.UIRestrictionsClass |=JOB_OBJECT_UILIMIT_HANDLES;
1960-
}
1961-
}
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_SetInformationJobObject(job,JobObjectBasicUIRestrictions,&uiRestrictions,sizeof(uiRestrictions));
19631941

19641942
securityLimit.SecurityLimitFlags=JOB_OBJECT_SECURITY_NO_ADMIN |JOB_OBJECT_SECURITY_ONLY_TOKEN;

‎src/include/port/win32.h

Lines changed: 3 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -11,24 +11,13 @@
1111

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/*
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* Make sure _WIN32_WINNT has the minimum required value.
14-
* Leave a higher value in place. When building with at least Visual
15-
* Studio 2015 the minimum requirement is Windows Vista (0x0600) to
16-
* get support for GetLocaleInfoEx() with locales. For everything else
17-
* the minimum version is Windows XP (0x0501).
14+
* Leave a higher value in place. The minimum requirement is Windows 10.
1815
*/
19-
#if defined(_MSC_VER)&&_MSC_VER >=1900
20-
#defineMIN_WINNT 0x0600
21-
#else
22-
#defineMIN_WINNT 0x0501
23-
#endif
24-
25-
#if defined(_WIN32_WINNT)&&_WIN32_WINNT<MIN_WINNT
16+
#ifdef_WIN32_WINNT
2617
#undef _WIN32_WINNT
2718
#endif
2819

29-
#ifndef_WIN32_WINNT
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#define_WIN32_WINNT MIN_WINNT
31-
#endif
20+
#define_WIN32_WINNT 0x0A00
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3322
/*
3423
* We need to prevent <crtdefs.h> from defining a symbol conflicting with

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