diff options
Diffstat (limited to 'src/pkg/runtime/signal_openbsd_386.c')
| -rw-r--r-- | src/pkg/runtime/signal_openbsd_386.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/src/pkg/runtime/signal_openbsd_386.c b/src/pkg/runtime/signal_openbsd_386.c index 39d829484..516797c8d 100644 --- a/src/pkg/runtime/signal_openbsd_386.c +++ b/src/pkg/runtime/signal_openbsd_386.c @@ -50,7 +50,7 @@ runtime·sighandler(int32 sig, Siginfo *info, void *context, G *gp) t = &runtime·sigtab[sig]; if(info->si_code != SI_USER && (t->flags & SigPanic)) { - if(gp == nil) + if(gp == nil || gp == m->g0) goto Throw; // Make it look like a call to the signal func. // Have to pass arguments out of band since @@ -93,6 +93,10 @@ Throw: runtime·printf("%s\n", runtime·sigtab[sig].name); runtime·printf("PC=%X\n", r->sc_eip); + if(m->lockedg != nil && m->ncgo > 0 && gp == m->g0) { + runtime·printf("signal arrived during cgo execution\n"); + gp = m->lockedg; + } runtime·printf("\n"); if(runtime·gotraceback()){ @@ -109,9 +113,11 @@ runtime·signalstack(byte *p, int32 n) { Sigaltstack st; - st.ss_sp = (int8*)p; + st.ss_sp = p; st.ss_size = n; st.ss_flags = 0; + if(p == nil) + st.ss_flags = SS_DISABLE; runtime·sigaltstack(&st, nil); } @@ -120,6 +126,15 @@ runtime·setsig(int32 i, void (*fn)(int32, Siginfo*, void*, G*), bool restart) { Sigaction sa; + // If SIGHUP handler is SIG_IGN, assume running + // under nohup and do not set explicit handler. + if(i == SIGHUP) { + runtime·memclr((byte*)&sa, sizeof sa); + runtime·sigaction(i, nil, &sa); + if(sa.__sigaction_u.__sa_sigaction == SIG_IGN) + return; + } + runtime·memclr((byte*)&sa, sizeof sa); sa.sa_flags = SA_SIGINFO|SA_ONSTACK; if(restart) |