Re: [RFC][glibc PATCH] fcntl-linux.h: add new definitions and manual updates for open file description locks

From: Alfred M. Szmidt
Date: Wed Apr 23 2014 - 11:10:08 EST


@@ -2890,7 +2894,7 @@ Get flags associated with the open file. @xref{File Status Flags}.
Set flags associated with the open file. @xref{File Status Flags}.

@item F_GETLK
-Get a file lock. @xref{File Locks}.
+Test a file lock. @xref{File Locks}.

F_GETLK does get the (first) lock which blocks; it doesn't test for
it. "Retrieves information about the first blocking lock ..." or
something might be better than the original

@@ -2898,6 +2902,18 @@ Set or clear a file lock. @xref{File Locks}.
@item F_SETLKW
Like @code{F_SETLK}, but wait for completion. @xref{File Locks}.

+@item F_OFD_GETLK
+Test a open file description lock. @xref{Open File Description Locks}.
+Specific to Linux.

Likewise. You infact write that it does get the lock information
later in the document wrt. F_OFD_GETLK.
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