| // 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. |
| |
| #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. |
| |
| 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 |