add xenomai

hc

2024-11-01 2f529f9b558ca1c1bd74be7437a84e4711743404

 kernel/include/linux/fcntl.h
..
..
@@ -10,7 +10,7 @@
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 	(O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC | \
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 	 O_APPEND | O_NDELAY | O_NONBLOCK | __O_SYNC | O_DSYNC | \
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 	 FASYNC	| O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \
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-	 O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE)
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+	 O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE | O_OOB)
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 /* List of all valid flags for the how->upgrade_mask argument: */
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 #define VALID_UPGRADE_FLAGS \