diff options
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test/make')
| -rw-r--r-- | lldb/packages/Python/lldbsuite/test/make/test_common.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/make/test_common.h b/lldb/packages/Python/lldbsuite/test/make/test_common.h index 6f819706366..39b85322bf0 100644 --- a/lldb/packages/Python/lldbsuite/test/make/test_common.h +++ b/lldb/packages/Python/lldbsuite/test/make/test_common.h @@ -17,3 +17,28 @@ // declared. This may not be necessary after MSVC 12.
#include <eh.h>
#endif
+
+
+// On some systems (e.g., some versions of linux) it is not possible to attach to a process
+// without it giving us special permissions. This defines the lldb_enable_attach macro, which
+// should perform any such actions, if needed by the platform. This is a macro instead of a
+// function to avoid the need for complex linking of the test programs.
+#if defined(__linux__)
+#include <sys/prctl.h>
+
+#if defined(PR_SET_PTRACER) && defined(PR_SET_PTRACER_ANY)
+// For now we execute on best effort basis. If this fails for some reason, so be it.
+#define lldb_enable_attach() \
+ do \
+ { \
+ const int prctl_result = prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY, 0, 0, 0); \
+ (void)prctl_result; \
+ } while (0)
+
+#endif
+
+#else // not linux
+
+#define lldb_enable_attach()
+
+#endif
|
