ms/file-exclusive-mode
Björn Gustavsson
bgustavsson@REDACTED
Tue Jun 1 15:40:40 CEST 2010
git fetch git://github.com/bjorng/otp.git ms/file-exclusive-mode
We will probably graduate this branch (after testing it
on more platforms), but with the following addition
to the documentation:
diff --git a/lib/kernel/doc/src/file.xml b/lib/kernel/doc/src/file.xml
index eed92d2..640137a 100644
--- a/lib/kernel/doc/src/file.xml
+++ b/lib/kernel/doc/src/file.xml
@@ -616,6 +616,11 @@ f.txt: {person, "kalle", 25}.
<p>The file, when opened for writing, is created if it
does not exist. If the file exists, open will return
<c>{error, eexist}</c>.</p>
+ <warning><p>This option does not guarantee exclusiveness on
+ file systems that do not support O_EXCL properly,
+ such as NFS. Do not depend on this option unless you
+ know that the file system support its (in general, local
+ file systems should be safe).</p></warning>
</item>
<tag><c>raw</c></tag>
<item>
Is that OK?
--
Björn Gustavsson, Erlang/OTP, Ericsson AB
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