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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.


// Linux-specific system calls
int32	runtime·futex(uint32*, int32, uint32, Timespec*, uint32*, uint32);
int32	runtime·clone(int32, void*, M*, G*, void(*)(void));

struct SigactionT;
int32	runtime·rt_sigaction(uintptr, struct SigactionT*, void*, uintptr);

void	runtime·sigaltstack(SigaltstackT*, SigaltstackT*);
void	runtime·sigpanic(void);
void runtime·setitimer(int32, Itimerval*, Itimerval*);

enum {
	SS_DISABLE = 2,
	NSIG = 65,
	SI_USER = 0,
	SIG_SETMASK = 2,
	RLIMIT_AS = 9,
};

// It's hard to tease out exactly how big a Sigset is, but
// rt_sigprocmask crashes if we get it wrong, so if binaries
// are running, this is right.
typedef struct Sigset Sigset;
struct Sigset
{
	uint32 mask[2];
};
void	runtime·rtsigprocmask(int32, Sigset*, Sigset*, int32);
void	runtime·unblocksignals(void);

typedef struct Rlimit Rlimit;
struct Rlimit {
	uintptr	rlim_cur;
	uintptr	rlim_max;
};
int32	runtime·getrlimit(int32, Rlimit*);