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Remove configure probe for fdatasync.

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fdatasync() is in SUSv2, and all targeted Unix systems have it.  We have
a replacement function for Windows.

We retain the probe for the function declaration, which allows us to
supply the mysteriously missing declaration for macOS, and also for
Windows.  No need to keep a HAVE_FDATASYNC macro around.

Also rename src/port/fdatasync.c to win32fdatasync.c since it's only for
Windows.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/CA+hUKGJ3LHeP9w5Fgzdr4G8AnEtJ=z=p6hGDEm4qYGEUX5B6fQ@mail.gmail.com
Discussion: https://postgr.es/m/CA%2BhUKGJZJVO%3DiX%2Beb-PXi2_XS9ZRqnn_4URh0NUQOwt6-_51xQ%40mail.gmail.com
This commit is contained in:
Thomas Munro
2022-08-05 16:10:05 +12:00
parent 623cc67347
commit d2e150831a
12 changed files with 15 additions and 48 deletions
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8
src/include/port/win32_port.h
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@@ -83,14 +83,6 @@
#define HAVE_FSYNC_WRITETHROUGH
#define FSYNC_WRITETHROUGH_IS_FSYNC
/*
* We have a replacement for fdatasync() in src/port/fdatasync.c, which is
* unconditionally used by MSVC and Mingw builds.
*/
#ifndef HAVE_FDATASYNC
#define HAVE_FDATASYNC
#endif
#define USES_WINSOCK
/*