diff options
Diffstat (limited to 'bsd-user/signal.c')
| -rw-r--r-- | bsd-user/signal.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/bsd-user/signal.c b/bsd-user/signal.c index 8c51f6ce65..ff2ccbbf60 100644 --- a/bsd-user/signal.c +++ b/bsd-user/signal.c @@ -51,6 +51,8 @@ static inline int sas_ss_flags(TaskState *ts, unsigned long sp) on_sig_stack(ts, sp) ? SS_ONSTACK : 0; } +int host_interrupt_signal = SIGRTMAX; + /* * The BSD ABIs use the same signal numbers across all the CPU architectures, so * (unlike Linux) these functions are just the identity mapping. This might not @@ -491,6 +493,12 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc) uintptr_t pc = 0; bool sync_sig = false; + if (host_sig == host_interrupt_signal) { + ts->signal_pending = 1; + cpu_exit(thread_cpu); + return; + } + /* * Non-spoofed SIGSEGV and SIGBUS are synchronous, and need special * handling wrt signal blocking and unwinding. @@ -854,6 +862,9 @@ void signal_init(void) for (i = 1; i <= TARGET_NSIG; i++) { host_sig = target_to_host_signal(i); + if (host_sig == host_interrupt_signal) { + continue; + } sigaction(host_sig, NULL, &oact); if (oact.sa_sigaction == (void *)SIG_IGN) { sigact_table[i - 1]._sa_handler = TARGET_SIG_IGN; @@ -872,6 +883,7 @@ void signal_init(void) sigaction(host_sig, &act, NULL); } } + sigaction(host_interrupt_signal, &act, NULL); } static void handle_pending_signal(CPUArchState *env, int sig, |