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Editing: signal_plan9.go

// Copyright 2011 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.

package runtime

type sigTabT struct {
	flags int
	name  string
}

// Incoming notes are compared against this table using strncmp, so the
// order matters: longer patterns must appear before their prefixes.
// There are _SIG constants in os2_plan9.go for the table index of some
// of these.
//
// If you add entries to this table, you must respect the prefix ordering
// and also update the constant values is os2_plan9.go.
var sigtable = [...]sigTabT{
	// Traps that we cannot be recovered.
	{_SigThrow, "sys: trap: debug exception"},
	{_SigThrow, "sys: trap: invalid opcode"},

// We can recover from some memory errors in runtime·sigpanic.
	{_SigPanic, "sys: trap: fault read"},  // SIGRFAULT
	{_SigPanic, "sys: trap: fault write"}, // SIGWFAULT

// We can also recover from math errors.
	{_SigPanic, "sys: trap: divide error"}, // SIGINTDIV
	{_SigPanic, "sys: fp:"},                // SIGFLOAT

// All other traps are normally handled as if they were marked SigThrow.
	// We mark them SigPanic here so that debug.SetPanicOnFault will work.
	{_SigPanic, "sys: trap:"}, // SIGTRAP

// Writes to a closed pipe can be handled if desired, otherwise they're ignored.
	{_SigNotify, "sys: write on closed pipe"},

// Other system notes are more serious and cannot be recovered.
	{_SigThrow, "sys:"},

// Issued to all other procs when calling runtime·exit.
	{_SigGoExit, "go: exit "},

// Kill is sent by external programs to cause an exit.
	{_SigKill, "kill"},

// Interrupts can be handled if desired, otherwise they cause an exit.
	{_SigNotify + _SigKill, "interrupt"},
	{_SigNotify + _SigKill, "hangup"},

// Alarms can be handled if desired, otherwise they're ignored.
	{_SigNotify, "alarm"},

// Aborts can be handled if desired, otherwise they cause a stack trace.
	{_SigNotify + _SigThrow, "abort"},
}

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