diff options
Diffstat (limited to 'src/pkg/runtime/linux/amd64/signal.c')
| -rw-r--r-- | src/pkg/runtime/linux/amd64/signal.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/pkg/runtime/linux/amd64/signal.c b/src/pkg/runtime/linux/amd64/signal.c index 55215176de..693b8c7042 100644 --- a/src/pkg/runtime/linux/amd64/signal.c +++ b/src/pkg/runtime/linux/amd64/signal.c @@ -41,6 +41,14 @@ extern void sigtramp(void); extern void sigignore(void); // just returns extern void sigreturn(void); // calls sigreturn +String +signame(int32 sig) +{ + if(sig < 0 || sig >= NSIG) + return emptystring; + return gostring((byte*)sigtab[sig].name); +} + void sighandler(int32 sig, Siginfo* info, void* context) { @@ -48,6 +56,11 @@ sighandler(int32 sig, Siginfo* info, void* context) Mcontext *mc; Sigcontext *sc; + if(sigtab[sig].flags & SigQueue) { + sigsend(sig); + return; + } + if(panicking) // traceback already printed exit(2); panicking = 1; @@ -91,13 +104,15 @@ initsig(void) { static Sigaction sa; + siginit(); + int32 i; sa.sa_flags = SA_ONSTACK | SA_SIGINFO | SA_RESTORER; sa.sa_mask = 0xFFFFFFFFFFFFFFFFULL; sa.sa_restorer = (void*)sigreturn; for(i = 0; i<NSIG; i++) { if(sigtab[i].flags) { - if(sigtab[i].flags & SigCatch) + if(sigtab[i].flags & (SigCatch | SigQueue)) sa.sa_handler = (void*)sigtramp; else sa.sa_handler = (void*)sigignore; @@ -109,4 +124,3 @@ initsig(void) } } } - |