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-rw-r--r--sysdeps/unix/sysv/linux/bits/posix_opt.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/posix_opt.h b/sysdeps/unix/sysv/linux/bits/posix_opt.h
index b3bf5efd4d..ca020d3cdd 100644
--- a/sysdeps/unix/sysv/linux/bits/posix_opt.h
+++ b/sysdeps/unix/sysv/linux/bits/posix_opt.h
@@ -25,7 +25,10 @@
 /* Processes have a saved set-user-ID and a saved set-group-ID.  */
 #define	_POSIX_SAVED_IDS	1
 
-/* Priority scheduling is supported.  */
+/* Priority scheduling is not supported with the correct semantics,
+   but GNU/Linux applications expect that the corresponding interfaces
+   are available, even though the semantics do not meet the POSIX
+   requirements.  See glibc bug 14829.  */
 #define	_POSIX_PRIORITY_SCHEDULING	200809L
 
 /* Synchronizing file data is supported.  */