github.com/4ad/go@v0.0.0-20161219182952-69a12818b605/src/runtime/os_linux_generic.go (about) 1 // Copyright 2009 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // +build !mips64 6 // +build !mips64le 7 // +build !s390x 8 // +build linux 9 10 package runtime 11 12 const ( 13 _SS_DISABLE = 2 14 _NSIG = 65 15 _SI_USER = 0 16 _SIG_BLOCK = 0 17 _SIG_UNBLOCK = 1 18 _SIG_SETMASK = 2 19 _RLIMIT_AS = 9 20 ) 21 22 // It's hard to tease out exactly how big a Sigset is, but 23 // rt_sigprocmask crashes if we get it wrong, so if binaries 24 // are running, this is right. 25 type sigset [2]uint32 26 27 type rlimit struct { 28 rlim_cur uintptr 29 rlim_max uintptr 30 } 31 32 var sigset_all = sigset{^uint32(0), ^uint32(0)} 33 34 func sigaddset(mask *sigset, i int) { 35 (*mask)[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31) 36 } 37 38 func sigdelset(mask *sigset, i int) { 39 (*mask)[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31) 40 } 41 42 func sigfillset(mask *uint64) { 43 *mask = ^uint64(0) 44 } 45 46 func sigcopyset(mask *sigset, m sigmask) { 47 copy((*mask)[:], m[:]) 48 }