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
5package runtime
6
7type 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.
19var 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 runtime·sigpanic.
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 runtime·exit.
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