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 !mips 6 // +build !mipsle 7 // +build !mips64 8 // +build !mips64le 9 // +build !s390x 10 // +build !ppc64 11 // +build linux 12 13 package runtime 14 15 const ( 16 _SS_DISABLE = 2 17 _NSIG = 65 18 _SI_USER = 0 19 _SIG_BLOCK = 0 20 _SIG_UNBLOCK = 1 21 _SIG_SETMASK = 2 22 _RLIMIT_AS = 9 23 ) 24 25 // It's hard to tease out exactly how big a Sigset is, but 26 // rt_sigprocmask crashes if we get it wrong, so if binaries 27 // are running, this is right. 28 type sigset [2]uint32 29 30 type rlimit struct { 31 rlim_cur uintptr 32 rlim_max uintptr 33 } 34 35 var sigset_all = sigset{^uint32(0), ^uint32(0)} 36 37 //go:nosplit 38 //go:nowritebarrierrec 39 func sigaddset(mask *sigset, i int) { 40 (*mask)[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31) 41 } 42 43 func sigdelset(mask *sigset, i int) { 44 (*mask)[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31) 45 } 46 47 func sigfillset(mask *uint64) { 48 *mask = ^uint64(0) 49 } 50
