github.com/comwrg/go/src@v0.0.0-20220319063731-c238d0440370/runtime/os_linux_mipsx.go (about) 1 // Copyright 2016 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 //go:build linux && (mips || mipsle) 6 // +build linux 7 // +build mips mipsle 8 9 package runtime 10 11 func archauxv(tag, val uintptr) { 12 } 13 14 func osArchInit() {} 15 16 //go:nosplit 17 func cputicks() int64 { 18 // Currently cputicks() is used in blocking profiler and to seed fastrand(). 19 // nanotime() is a poor approximation of CPU ticks that is enough for the profiler. 20 return nanotime() 21 } 22 23 const ( 24 _SS_DISABLE = 2 25 _NSIG = 128 + 1 26 _SI_USER = 0 27 _SIG_BLOCK = 1 28 _SIG_UNBLOCK = 2 29 _SIG_SETMASK = 3 30 ) 31 32 type sigset [4]uint32 33 34 var sigset_all = sigset{^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)} 35 36 //go:nosplit 37 //go:nowritebarrierrec 38 func sigaddset(mask *sigset, i int) { 39 (*mask)[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31) 40 } 41 42 func sigdelset(mask *sigset, i int) { 43 (*mask)[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31) 44 } 45 46 //go:nosplit 47 func sigfillset(mask *[4]uint32) { 48 (*mask)[0], (*mask)[1], (*mask)[2], (*mask)[3] = ^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0) 49 }