1 files changed, 63 insertions, 0 deletions
diff --git a/src/runtime/signals_plan9.h b/src/runtime/signals_plan9.h
new file mode 100644
index 000000000..4ee8e542c
--- /dev/null
+++ b/src/runtime/signals_plan9.h
@@ -0,0 +1,63 @@
+// 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.
+
+#include "textflag.h"
+
+#define N SigNotify
+#define K SigKill
+#define T SigThrow
+#define P SigPanic
+#define E SigGoExit
+
+// Incoming notes are compared against this table using strncmp, so the
+// order matters: longer patterns must appear before their prefixes.
+// There are #defined SIG constants in os_plan9.h 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 os_plan9.h.
+
+#pragma dataflag NOPTR
+SigTab runtime·sigtab[] = {
+	// Traps that we cannot be recovered.
+	T,	"sys: trap: debug exception",
+	T,	"sys: trap: invalid opcode",
+
+	// We can recover from some memory errors in runtime·sigpanic.
+	P,	"sys: trap: fault read addr",	// SIGRFAULT
+	P,	"sys: trap: fault write addr",	// SIGWFAULT
+
+	// We can also recover from math errors.
+	P,	"sys: trap: divide error",	// SIGINTDIV
+	P,	"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.
+	P,	"sys: trap:",	// SIGTRAP
+
+	// Writes to a closed pipe can be handled if desired, otherwise they're ignored.
+	N,	"sys: write on closed pipe",
+
+	// Other system notes are more serious and cannot be recovered.
+	T,	"sys:",
+
+	// Issued to all other procs when calling runtime·exit.
+	E,	"go: exit ",
+
+	// Kill is sent by external programs to cause an exit.
+	K,	"kill",
+
+	// Interrupts can be handled if desired, otherwise they cause an exit.
+	N+K,	"interrupt",
+	N+K,	"hangup",
+
+	// Alarms can be handled if desired, otherwise they're ignored.
+	N,	"alarm",
+};
+
+#undef N
+#undef K
+#undef T
+#undef P
+#undef E