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-rw-r--r--linuxthreads/sysdeps/x86_64/pt-machine.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/x86_64/pt-machine.h b/linuxthreads/sysdeps/x86_64/pt-machine.h
index b730905dc8..b2e19fc49a 100644
--- a/linuxthreads/sysdeps/x86_64/pt-machine.h
+++ b/linuxthreads/sysdeps/x86_64/pt-machine.h
@@ -18,6 +18,9 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#ifndef _PT_MACHINE_H
+#define _PT_MACHINE_H   1
+
 #include <stddef.h>	/* For offsetof.  */
 #include <stdlib.h>	/* For abort().  */
 #include <asm/prctl.h>
@@ -211,3 +214,5 @@ extern int __arch_prctl (int __code, unsigned long __addr);
 
 /* Maximum size of the stack if the rlimit is unlimited.  */
 #define ARCH_STACK_MAX_SIZE	32*1024*1024
+
+#endif /* pt-machine.h */