fcntl-h: define O_CLOEXEC and O_EXEC if not defined; use new defines

[gnulib.git] / ChangeLog

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+2010-09-10  Paul Eggert  <eggert@cs.ucla.edu>
+
+       fcntl-h: define O_CLOEXEC and O_EXEC if not defined; use new defines
+       * doc/posix-headers/fcntl.texi (fcntl.h): Document that
+       O_CLOEXEC is now defined to 0 if it is not defined, like other flags.
+       Also, O_EXEC is now defined to be O_RDONLY if O_EXEC is not defined.
+       Similarly for O_SEARCH; this last was already true, but not documented.
+       * lib/fcntl.in.h (O_CLOEXEC): Define to 0 if not defined.
+       * lib/dup-safer-flag.c (O_CLOEXEC): Remove now-useless #define.
+       * lib/dup3.c, lib/pipe2.c, tests/test-dup-safer.c, tests/test-fcntl.c:
+       Likewise.
+       * lib/popen-safer.c (open_noinherit): Check whether O_CLOEXEC
+       is zero, not whether it is defined.
+       * tests/test-dup3.c, tests/test-pipe2.c (main): Likewise.
+       * lib/progreloc.c (find_executable): Use O_EXEC rather than O_RDONLY.
+       * lib/open.c (open): Check for O_SEARCH as well as for O_RDONLY.
+
 2010-09-10  Bruno Haible  <bruno@clisp.org>
 
        langinfo, nl_langinfo: Fix for IRIX 5.3.