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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h b/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h
index 40160c54de..dd0798a073 100644
--- a/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h
+++ b/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h
@@ -60,6 +60,9 @@
 /* X/Open realtime support is available.  */
 #define _XOPEN_REALTIME	1
 
+/* X/Open thread realtime support is available.  */
+#define _XOPEN_REALTIME_THREADS	1
+
 /* XPG4.2 shared memory is supported.  */
 #define	_XOPEN_SHM	1