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// Copyright 2010 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.
typedef uintptr kevent_udata;
struct sigaction;
void runtime·sigpanic(void);
void runtime·setitimer(int32, Itimerval*, Itimerval*);
void runtime·sigaction(int32, struct sigaction*, struct sigaction*);
void runtime·sigaltstack(SigaltstackT*, SigaltstackT*);
void runtime·sigprocmask(int32, Sigset*, Sigset*);
void runtime·unblocksignals(void);
int32 runtime·sysctl(uint32*, uint32, byte*, uintptr*, byte*, uintptr);
extern void runtime·lwp_tramp(void);
enum {
SS_DISABLE = 4,
SIG_BLOCK = 1,
SIG_UNBLOCK = 2,
SIG_SETMASK = 3,
NSIG = 33,
SI_USER = 0,
// From NetBSD's <sys/ucontext.h>
_UC_SIGMASK = 0x01,
_UC_CPU = 0x04,
};
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