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--- cpp/test/include/TestHelper.h.orig 2019-02-11 14:02:41.681160000 +0100
+++ cpp/test/include/TestHelper.h 2019-02-11 16:04:38.557681000 +0100
@@ -199,4 +199,20 @@
#define test(ex) ((ex) ? ((void)0) : ::Test::testFailed(#ex, __FILE__, __LINE__))
+#if defined(__FreeBSD__)
+extern "C" { int sysctlbyname(const char *name, void *oldp, size_t *oldlenp,
+ const void *newp, size_t newlen); }
+inline bool inFreeBSDJail()
+{
+ int jailed;
+ size_t size = sizeof(jailed);
+ return (sysctlbyname("security.jail.jailed", &jailed, &size, NULL, 0) != -1 || jailed);
+}
+#else
+inline bool inFreeBSDJail()
+{
+ return false;
+}
+#endif
+
#endif
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