go os_linux_be64 源码
golang os_linux_be64 代码
文件路径：/src/runtime/os_linux_be64.go
// Copyright 2016 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.
// The standard Linux sigset type on big-endian 64-bit machines.
//go:build linux && (ppc64 || s390x)
package runtime
const (
_SS_DISABLE = 2
_NSIG = 65
_SI_USER = 0
_SIG_BLOCK = 0
_SIG_UNBLOCK = 1
_SIG_SETMASK = 2
)
type sigset uint64
var sigset_all = sigset(^uint64(0))
//go:nosplit
//go:nowritebarrierrec
func sigaddset(mask *sigset, i int) {
if i > 64 {
throw("unexpected signal greater than 64")
}
*mask |= 1 << (uint(i) - 1)
}
func sigdelset(mask *sigset, i int) {
if i > 64 {
throw("unexpected signal greater than 64")
}
*mask &^= 1 << (uint(i) - 1)
}
//go:nosplit
func sigfillset(mask *uint64) {
*mask = ^uint64(0)
}
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