1 // Copyright 2016 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 // The standard GNU/Linux sigset type on big-endian 64-bit machines. 6 7 // +build ppc64 s390x 8 9 package runtime 10 11 const ( 12 _SS_DISABLE = 2 13 _NSIG = 65 14 _SI_USER = 0 15 _SIG_BLOCK = 0 16 _SIG_UNBLOCK = 1 17 _SIG_SETMASK = 2 18 _RLIMIT_AS = 9 19 ) 20 21 type sigset uint64 22 23 type rlimit struct { 24 rlim_cur uintptr 25 rlim_max uintptr 26 } 27 28 var sigset_all = sigset(^uint64(0)) 29 30 //go:nosplit 31 //go:nowritebarrierrec 32 func sigaddset(mask *sigset, i int) { 33 if i > 64 { 34 throw("unexpected signal greater than 64") 35 } 36 *mask |= 1 << (uint(i) - 1) 37 } 38 39 func sigdelset(mask *sigset, i int) { 40 if i > 64 { 41 throw("unexpected signal greater than 64") 42 } 43 *mask &^= 1 << (uint(i) - 1) 44 } 45 46 func sigfillset(mask *uint64) { 47 *mask = ^uint64(0) 48 } 49
