// 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.
#define SIG_DFL ((void*)0)
#define SIG_IGN ((void*)1)
#define SIGHUP 1
#define SIG_BLOCK 1
#define SIG_UNBLOCK 2
#define SIG_SETMASK 3
struct sigaction;
void runtime·raisesigpipe(void);
void runtime·setsig(int32, void(*)(int32, Siginfo*, void*, G*), bool);
void runtime·sigpanic(void);
void runtime·setitimer(int32, Itimerval*, Itimerval*);
void runtime·sigaction(int32, struct sigaction*, struct sigaction*);
void runtime·sigaltstack(Sigaltstack*, Sigaltstack*);
void runtime·sighandler(int32 sig, Siginfo *info, void *context, G *gp);
Sigset runtime·sigprocmask(int32, Sigset);
int32 runtime·sysctl(uint32*, uint32, byte*, uintptr*, byte*, uintptr);
#define NSIG 33
#define SI_USER 0
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Russ Cox authored
There are two ways nohup(1) might be implemented: it might mask away the signal, or it might set the handler to SIG_IGN, both of which are inherited across fork+exec. So two fixes: * Make sure to preserve the inherited signal mask at minit instead of clearing it. * If the SIGHUP handler is SIG_IGN, leave it that way. Fixes #4491. R=golang-dev, mikioh.mikioh, iant CC=golang-dev https://golang.org/cl/7308102
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