mirror of https://go.googlesource.com/go
38 lines
870 B
Go
38 lines
870 B
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build !mips && !mipsle && !mips64 && !mips64le && !s390x && !ppc64 && linux
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package runtime
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const (
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_SS_DISABLE = 2
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_NSIG = 65
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_SIG_BLOCK = 0
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_SIG_UNBLOCK = 1
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_SIG_SETMASK = 2
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)
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// It's hard to tease out exactly how big a Sigset is, but
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// rt_sigprocmask crashes if we get it wrong, so if binaries
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// are running, this is right.
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type sigset [2]uint32
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var sigset_all = sigset{^uint32(0), ^uint32(0)}
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//go:nosplit
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//go:nowritebarrierrec
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func sigaddset(mask *sigset, i int) {
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(*mask)[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31)
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}
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func sigdelset(mask *sigset, i int) {
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(*mask)[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
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}
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//go:nosplit
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func sigfillset(mask *uint64) {
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*mask = ^uint64(0)
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}
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