github.com/m10x/go/src@v0.0.0-20220112094212-ba61592315da/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 7 package runtime 8 9 func archauxv(tag, val uintptr) { 10 } 11 12 func osArchInit() {} 13 14 //go:nosplit 15 func cputicks() int64 { 16 // Currently cputicks() is used in blocking profiler and to seed fastrand(). 17 // nanotime() is a poor approximation of CPU ticks that is enough for the profiler. 18 return nanotime() 19 } 20 21 const ( 22 _SS_DISABLE = 2 23 _NSIG = 128 + 1 24 _SI_USER = 0 25 _SIG_BLOCK = 1 26 _SIG_UNBLOCK = 2 27 _SIG_SETMASK = 3 28 ) 29 30 type sigset [4]uint32 31 32 var sigset_all = sigset{^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)} 33 34 //go:nosplit 35 //go:nowritebarrierrec 36 func sigaddset(mask *sigset, i int) { 37 (*mask)[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31) 38 } 39 40 func sigdelset(mask *sigset, i int) { 41 (*mask)[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31) 42 } 43 44 //go:nosplit 45 func sigfillset(mask *[4]uint32) { 46 (*mask)[0], (*mask)[1], (*mask)[2], (*mask)[3] = ^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0) 47 }