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32b1d51f16
This is a step toward updating libgo to 1.13. This adds the 1.13
version of the osinit function to Go code, and removes the
corresponding code from the C runtime. This should simplify future updates.
Some additional 1.13 code was brought in to simplify this change.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/191717
From-SVN: r275010
46 lines
883 B
Go
46 lines
883 B
Go
// Copyright 2011 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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package runtime
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import _ "unsafe"
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var executablePath string
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//extern getexecname
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func getexecname() *byte
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//extern getpagesize
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func getPageSize() int32
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//extern sysconf
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func sysconf(int32) _C_long
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func getncpu() int32 {
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n := int32(sysconf(__SC_NPROCESSORS_ONLN))
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if n < 1 {
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return 1
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}
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return n
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}
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func osinit() {
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ncpu = getncpu()
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if physPageSize == 0 {
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physPageSize = uintptr(getPageSize())
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}
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}
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func sysargs(argc int32, argv **byte) {
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executablePath = gostringnocopy(getexecname())
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}
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//go:linkname solarisExecutablePath os.solarisExecutablePath
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// solarisExecutablePath is called from the os package to fetch the
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// saved executable path.
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func solarisExecutablePath() string {
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return executablePath
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}
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