Remove obsolete coding for early macOS.
Commits04cad8f7
and0c088568
supported old macOS systems that didn't define O_CLOEXEC or O_DSYNC yet, but those arrived in macOS releases 10.7 and 10.6 (respectively), which themselves reached EOL around a decade ago. We've already made use of other POSIX features that early macOS vintages can't compile (for example commits623cc673
,d2e15083
). A later commit will use O_CLOEXEC on POSIX systems so it would be strange to pretend here that it's optional, and we might as well give O_DSYNC the same treatment since the reference is also guarded by a test for a macOS-specific macro, and we know that current Macs have it. Discussion: https://postgr.es/m/CA%2BhUKGKb6FsAdQWcRL35KJsftv%2B9zXqQbzwkfRf1i0J2e57%2BhQ%40mail.gmail.com
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@ -1025,7 +1025,9 @@ tryAgain:
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*/
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StaticAssertStmt((PG_O_DIRECT &
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(O_APPEND |
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O_CLOEXEC |
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O_CREAT |
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O_DSYNC |
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O_EXCL |
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O_RDWR |
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O_RDONLY |
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@ -1033,15 +1035,6 @@ tryAgain:
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O_TRUNC |
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O_WRONLY)) == 0,
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"PG_O_DIRECT value collides with standard flag");
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#if defined(O_CLOEXEC)
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StaticAssertStmt((PG_O_DIRECT & O_CLOEXEC) == 0,
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"PG_O_DIRECT value collides with O_CLOEXEC");
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#endif
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#if defined(O_DSYNC)
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StaticAssertStmt((PG_O_DIRECT & O_DSYNC) == 0,
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"PG_O_DIRECT value collides with O_DSYNC");
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#endif
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fd = open(fileName, fileFlags & ~PG_O_DIRECT, fileMode);
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#else
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fd = open(fileName, fileFlags, fileMode);
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