utils: define __NR_setns if missing on old glibcs

Closes lxc#2248. Signed-off-by: Christian Brauner <[email protected]>
vpsfreecz · Apr 10, 2018 · 9e32062 · 9e32062
1 parent 2492733
commit 9e32062
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/src/lxc/utils.h b/src/lxc/utils.h
@@ -115,6 +115,22 @@ extern char *get_rundir(void);
 #endif
 #endif
 
+#if !defined(__NR_setns) && !defined(__NR_set_ns)
+	#if defined(__x86_64__)
+		#define __NR_setns 308
+	#elif defined(__i386__)
+		#define __NR_setns 346
+	#elif defined(__arm__)
+		#define __NR_setns 375
+	#elif defined(__aarch64__)
+		#define __NR_setns 375
+	#elif defined(__powerpc__)
+		#define __NR_setns 350
+	#elif defined(__s390__)
+		#define __NR_setns 339
+	#endif
+#endif
+
 /* Define setns() if missing from the C library */
 #ifndef HAVE_SETNS
 static inline int setns(int fd, int nstype)