#define OS_VM_PROT_READ PROT_READ
#define OS_VM_PROT_WRITE PROT_WRITE
#define OS_VM_PROT_EXECUTE PROT_EXEC
#define SIG_MEMORY_FAULT SIGSEGV
#define OS_VM_PROT_READ PROT_READ
#define OS_VM_PROT_WRITE PROT_WRITE
#define OS_VM_PROT_EXECUTE PROT_EXEC
#define SIG_MEMORY_FAULT SIGSEGV