mirror of
https://github.com/golang/go
synced 2024-11-08 05:36:13 -07:00
1b1c8b34d1
Follow CL 93655 which removed the (commented-out) usage of this function. Also remove unused constant _RLIMIT_AS and type rlimit. Change-Id: Ifb6e6b2104f4c2555269f8ced72bfcae24f5d5e9 Reviewed-on: https://go-review.googlesource.com/94775 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Austin Clements <austin@google.com>
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
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.
|
|
|
|
// +build linux
|
|
// +build mips mipsle
|
|
|
|
package runtime
|
|
|
|
var randomNumber uint32
|
|
|
|
func archauxv(tag, val uintptr) {
|
|
switch tag {
|
|
case _AT_RANDOM:
|
|
// sysargs filled in startupRandomData, but that
|
|
// pointer may not be word aligned, so we must treat
|
|
// it as a byte array.
|
|
randomNumber = uint32(startupRandomData[4]) | uint32(startupRandomData[5])<<8 |
|
|
uint32(startupRandomData[6])<<16 | uint32(startupRandomData[7])<<24
|
|
}
|
|
}
|
|
|
|
//go:nosplit
|
|
func cputicks() int64 {
|
|
// Currently cputicks() is used in blocking profiler and to seed fastrand().
|
|
// nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
|
|
// randomNumber provides better seeding of fastrand1.
|
|
return nanotime() + int64(randomNumber)
|
|
}
|
|
|
|
const (
|
|
_SS_DISABLE = 2
|
|
_NSIG = 128 + 1
|
|
_SI_USER = 0
|
|
_SIG_BLOCK = 1
|
|
_SIG_UNBLOCK = 2
|
|
_SIG_SETMASK = 3
|
|
)
|
|
|
|
type sigset [4]uint32
|
|
|
|
var sigset_all = sigset{^uint32(0), ^uint32(0), ^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 *[4]uint32) {
|
|
(*mask)[0], (*mask)[1], (*mask)[2], (*mask)[3] = ^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)
|
|
}
|