| // Copyright 2009 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. |
| |
| // +build !mips |
| // +build !mipsle |
| // +build !mips64 |
| // +build !mips64le |
| // +build !s390x |
| // +build !ppc64 |
| // +build linux |
| |
| package runtime |
| |
| const ( |
| _SS_DISABLE = 2 |
| _NSIG = 65 |
| _SI_USER = 0 |
| _SIG_BLOCK = 0 |
| _SIG_UNBLOCK = 1 |
| _SIG_SETMASK = 2 |
| ) |
| |
| // It's hard to tease out exactly how big a Sigset is, but |
| // rt_sigprocmask crashes if we get it wrong, so if binaries |
| // are running, this is right. |
| type sigset [2]uint32 |
| |
| var sigset_all = sigset{^uint32(0), ^uint32(0)} |
| |
| //go:nosplit |
| //go:nowritebarrierrec |
| func sigaddset(mask *sigset, i int) { |
| (*mask)[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31) |
| } |
| |
| func sigdelset(mask *sigset, i int) { |
| (*mask)[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31) |
| } |
| |
| func sigfillset(mask *uint64) { |
| *mask = ^uint64(0) |
| } |
