1 // Go support for leveled logs, analogous to https://github.com/google/glog. 2 // 3 // Copyright 2023 Google Inc. All Rights Reserved. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 17 //go:build linux 18 19 package glog 20 21 import ( 22 "errors" 23 "runtime" 24 "syscall" 25 ) 26 27 // abortProcess attempts to kill the current process in a way that will dump the 28 // currently-running goroutines someplace useful (like stderr). 29 // 30 // It does this by sending SIGABRT to the current thread. 31 // 32 // If successful, abortProcess does not return. 33 func abortProcess() error { 34 runtime.LockOSThread() 35 if err := syscall.Tgkill(syscall.Getpid(), syscall.Gettid(), syscall.SIGABRT); err != nil { 36 return err 37 } 38 return errors.New("log: killed current thread with SIGABRT, but still running") 39 } 40