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Magnus Hagander 9951741bbe Attempt to handle pending-delete files on Windows

These files are deleted but not yet gone from the filesystem. Operations
on them will return ERROR_DELETE_PENDING.

With this we start treating that as ENOENT, meaning files does not
exist (which is the state it will soon reach). This should be safe in
every case except when we try to recreate a file with exactly the same
name. This is an operation that PostgreSQL does very seldom, so
hopefully that won't happen much -- and even if it does, this treatment
should be no worse than treating it as an unhandled error.

We've been un able to reproduce the bug reliably, so pushing this to
master to get buildfarm coverage and other testing. Once it's proven to
be stable, it should be considered for backpatching.

Discussion: https://postgr.es/m/20160712083220.1426.58667%40wrigleys.postgresql.org

Patch by me and Michael Paquier

2017-01-04 10:48:30 +01:00

.gitignore

Convert cvsignore to gitignore, and add .gitignore for build targets.

2010-09-22 12:57:04 +02:00

chklocale.c

Update copyright via script for 2017

2017-01-03 13:48:53 -05:00

crypt.c

Suppress dead, unportable src/port/crypt.c code.

2014-10-12 23:27:06 -04:00

dirent.c

Update copyright via script for 2017

2017-01-03 13:48:53 -05:00

dirmod.c

Attempt to handle pending-delete files on Windows

2017-01-04 10:48:30 +01:00

erand48.c

Replace PostmasterRandom() with a stronger source, second attempt.

2016-12-05 13:42:59 +02:00

fls.c

Update copyright via script for 2017

2017-01-03 13:48:53 -05:00

fseeko.c

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2017-01-03 13:48:53 -05:00

getaddrinfo.c

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2017-01-03 13:48:53 -05:00

getopt_long.c

Add support for optional_argument to our own getopt_long() implementation.

2014-09-10 17:21:50 +02:00

getopt.c

pgindent run for 9.4

2014-05-06 12:12:18 -04:00

getpeereid.c

Update copyright via script for 2017

2017-01-03 13:48:53 -05:00

getrusage.c

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2017-01-03 13:48:53 -05:00

gettimeofday.c

pgindent run for 9.5

2015-05-23 21:35:49 -04:00

inet_aton.c

pgindent run for 9.4

2014-05-06 12:12:18 -04:00

inet_net_ntop.c

Pgindent run before 9.1 beta2.

2011-06-09 14:32:50 -04:00

isinf.c

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2017-01-03 13:48:53 -05:00

kill.c

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2017-01-03 13:48:53 -05:00

Makefile

Replace PostmasterRandom() with a stronger source, second attempt.

2016-12-05 13:42:59 +02:00

mkdtemp.c

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2017-01-03 13:48:53 -05:00

noblock.c

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2017-01-03 13:48:53 -05:00

open.c

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path.c

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2017-01-03 13:48:53 -05:00

pg_crc32c_choose.c

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2017-01-03 13:48:53 -05:00

pg_crc32c_sb8.c

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2017-01-03 13:48:53 -05:00

pg_crc32c_sse42.c

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pg_strong_random.c

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2017-01-03 13:48:53 -05:00

pgcheckdir.c

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2017-01-03 13:48:53 -05:00

pgmkdirp.c

Fix various typos and grammar errors in comments.

2015-04-26 18:42:31 +02:00

pgsleep.c

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2017-01-03 13:48:53 -05:00

pgstrcasecmp.c

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2017-01-03 13:48:53 -05:00

pqsignal.c

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2017-01-03 13:48:53 -05:00

pthread-win32.h

Remove cvs keywords from all files.

2010-09-20 22:08:53 +02:00

qsort_arg.c

Fix a low-probability crash in our qsort implementation.

2015-07-16 22:57:46 -04:00

qsort.c

Fix a low-probability crash in our qsort implementation.

2015-07-16 22:57:46 -04:00

quotes.c

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2017-01-03 13:48:53 -05:00

random.c

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2017-01-03 13:48:53 -05:00

README

Refer to OS X as "macOS", except for the port name which is still "darwin".

2016-09-25 15:40:57 -04:00

rint.c

Upgrade src/port/rint.c to be POSIX-compliant.

2015-03-25 15:54:18 -04:00

snprintf.c

Revert error-throwing wrappers for the printf family of functions.

2015-05-19 18:19:38 -04:00

sprompt.c

2017-01-03 13:48:53 -05:00

srandom.c

2017-01-03 13:48:53 -05:00

strerror.c

Remove cvs keywords from all files.

2010-09-20 22:08:53 +02:00

strlcat.c

pgindent run for 9.4

2014-05-06 12:12:18 -04:00

strlcpy.c

2017-01-03 13:48:53 -05:00

system.c

2017-01-03 13:48:53 -05:00

tar.c

Allow pg_basebackup to stream transaction log in tar mode

2016-10-23 15:23:11 +02:00

thread.c

2017-01-03 13:48:53 -05:00

unsetenv.c

2017-01-03 13:48:53 -05:00

win32.ico

Revert binary change in copyright year adjustment.

2012-01-01 19:40:13 -05:00

win32env.c

2017-01-03 13:48:53 -05:00

win32error.c

Attempt to handle pending-delete files on Windows

2017-01-04 10:48:30 +01:00

win32security.c

2017-01-03 13:48:53 -05:00

win32setlocale.c

2017-01-03 13:48:53 -05:00

win32ver.rc

2017-01-03 13:48:53 -05:00

README

src/port/README

libpgport
=========

libpgport must have special behavior.  It supplies functions to both
libraries and applications.  However, there are two complexities:

1)  Libraries need to use object files that are compiled with exactly
the same flags as the library.  libpgport might not use the same flags,
so it is necessary to recompile the object files for individual
libraries.  This is done by removing -lpgport from the link line:

        # Need to recompile any libpgport object files
        LIBS := $(filter-out -lpgport, $(LIBS))

and adding infrastructure to recompile the object files:

        OBJS= execute.o typename.o descriptor.o data.o error.o prepare.o memory.o \
                connect.o misc.o path.o exec.o \
                $(filter snprintf.o, $(LIBOBJS))

The problem is that there is no testing of which object files need to be
added, but missing functions usually show up when linking user
applications.

2) For applications, we use -lpgport before -lpq, so the static files
from libpgport are linked first.  This avoids having applications
dependent on symbols that are _used_ by libpq, but not intended to be
exported by libpq.  libpq's libpgport usage changes over time, so such a
dependency is a problem.  Windows, Linux, and macOS use an export list to
control the symbols exported by libpq.