#define SS_DISABLE 2
int32 runtime·futex(uint32*, int32, uint32, Timespec*, uint32*, uint32);
int32 runtime·clone(int32, void*, M*, G*, void(*)(void));
struct Sigaction;
int32 runtime·rt_sigaction(uintptr, struct Sigaction*, void*, uintptr);
void runtime·sigaltstack(Sigaltstack*, Sigaltstack*);
void runtime·sigpanic(void);
void runtime·setitimer(int32, Itimerval*, Itimerval*);
#define NSIG 65
#define SI_USER 0
typedef struct Sigset Sigset;
struct Sigset
{
uint32 mask[2];
};
void runtime·rtsigprocmask(int32, Sigset*, Sigset*, int32);
void runtime·unblocksignals(void);
#define SIG_SETMASK 2
#define RLIMIT_AS 9
typedef struct Rlimit Rlimit;
struct Rlimit {
uintptr rlim_cur;
uintptr rlim_max;
};
int32 runtime·getrlimit(int32, Rlimit*);