diff options
Diffstat (limited to 'libgo/runtime/go-signal.c')
| -rw-r--r-- | libgo/runtime/go-signal.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/libgo/runtime/go-signal.c b/libgo/runtime/go-signal.c index 9fbe86e..a1215f9 100644 --- a/libgo/runtime/go-signal.c +++ b/libgo/runtime/go-signal.c @@ -138,6 +138,19 @@ SigTab runtime_sigtab[] = { #undef P #undef D + +static int8 badsignal[] = "runtime: signal received on thread not created by Go.\n"; + +static void +runtime_badsignal(int32 sig) +{ + if (sig == SIGPROF) { + return; // Ignore SIGPROFs intended for a non-Go thread. + } + runtime_write(2, badsignal, sizeof badsignal - 1); + runtime_exit(1); +} + /* Handle a signal, for cases where we don't panic. We can split the stack here. */ @@ -146,6 +159,12 @@ sig_handler (int sig) { int i; + if (runtime_m () == NULL) + { + runtime_badsignal (sig); + return; + } + #ifdef SIGPROF if (sig == SIGPROF) { |