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// 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)
}
//go:nosplit
func sigfillset(mask *uint64) {
*mask = ^uint64(0)
}
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