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comparison doc/posix-functions/dup2.texi @ 17243:b0688a78cfaf

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dup2: work around cygwin bug Detected by './gnulib-tool --test dup2 cloexec'. Reported upstream: http://cygwin.com/ml/cygwin/2012-12/msg00377.html and fixed already: http://cygwin.com/ml/cygwin-cvs/2012-q4/msg00202.html but as we want to work with older cygwin, we'll have to carry this in gnulib for a while. * m4/dup2.m4 (gl_FUNC_DUP2): Flush out cygwin core dump. * lib/dup2.c (rpl_dup2): Work around it. * doc/posix-functions/dup2.texi (dup2): Document it. Signed-off-by: Eric Blake <eblake@redhat.com>
author Eric Blake <eblake@redhat.com>
date Mon, 31 Dec 2012 11:15:53 -0700
parents b0c5a211d6fe
children
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17242:45ae6ce33a1f 17243:b0688a78cfaf
16 This function can hang when duplicating an fd to itself on some platforms: 16 This function can hang when duplicating an fd to itself on some platforms:
17 mingw, MSVC 9. 17 mingw, MSVC 9.
18 18
19 @item 19 @item
20 This function crashes when invoked with invalid arguments on some platforms: 20 This function crashes when invoked with invalid arguments on some platforms:
21 MSVC 9. 21 Cygwin 1.7.17, MSVC 9.
22 22
23 @item 23 @item
24 This function resets the @code{FD_CLOEXEC} flag when duplicating an fd 24 This function resets the @code{FD_CLOEXEC} flag when duplicating an fd
25 to itself on some platforms: 25 to itself on some platforms:
26 Haiku. 26 Haiku.