1 // Copyright 2011 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 package runtime 6 7 type sigTabT struct { 8 flags int 9 name string 10 } 11 12 // Incoming notes are compared against this table using strncmp, so the 13 // order matters: longer patterns must appear before their prefixes. 14 // There are _SIG constants in os2_plan9.go for the table index of some 15 // of these. 16 // 17 // If you add entries to this table, you must respect the prefix ordering 18 // and also update the constant values is os2_plan9.go. 19 var sigtable = [...]sigTabT{ 20 // Traps that we cannot be recovered. 21 {_SigThrow, "sys: trap: debug exception"}, 22 {_SigThrow, "sys: trap: invalid opcode"}, 23 24 // We can recover from some memory errors in runtimesigpanic. 25 {_SigPanic, "sys: trap: fault read"}, // SIGRFAULT 26 {_SigPanic, "sys: trap: fault write"}, // SIGWFAULT 27 28 // We can also recover from math errors. 29 {_SigPanic, "sys: trap: divide error"}, // SIGINTDIV 30 {_SigPanic, "sys: fp:"}, // SIGFLOAT 31 32 // All other traps are normally handled as if they were marked SigThrow. 33 // We mark them SigPanic here so that debug.SetPanicOnFault will work. 34 {_SigPanic, "sys: trap:"}, // SIGTRAP 35 36 // Writes to a closed pipe can be handled if desired, otherwise they're ignored. 37 {_SigNotify, "sys: write on closed pipe"}, 38 39 // Other system notes are more serious and cannot be recovered. 40 {_SigThrow, "sys:"}, 41 42 // Issued to all other procs when calling runtimeexit. 43 {_SigGoExit, "go: exit "}, 44 45 // Kill is sent by external programs to cause an exit. 46 {_SigKill, "kill"}, 47 48 // Interrupts can be handled if desired, otherwise they cause an exit. 49 {_SigNotify + _SigKill, "interrupt"}, 50 {_SigNotify + _SigKill, "hangup"}, 51 52 // Alarms can be handled if desired, otherwise they're ignored. 53 {_SigNotify, "alarm"}, 54 55 // Aborts can be handled if desired, otherwise they cause a stack trace. 56 {_SigNotify + _SigThrow, "abort"}, 57 } 58
