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#ifndef LLDB_TEST_ATTACH_H
#define LLDB_TEST_ATTACH_H
// 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.
#if defined(__linux__)
#include <sys/prctl.h>
// Android API <= 16 does not have these defined.
#ifndef PR_SET_PTRACER
#define PR_SET_PTRACER 0x59616d61
#endif
#ifndef PR_SET_PTRACER_ANY
#define PR_SET_PTRACER_ANY ((unsigned long)-1)
#endif
// 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)
#else // not linux
#define lldb_enable_attach()
#endif // defined(__linux__)
#endif // LLDB_TEST_ATTACH_H
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