diff options
Diffstat (limited to 'linux-user/signal.c')
| -rw-r--r-- | linux-user/signal.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c index a89853d4eb..2c6790d872 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -525,46 +525,10 @@ int queue_signal(CPUArchState *env, int sig, target_siginfo_t *info) TaskState *ts = cpu->opaque; struct emulated_sigtable *k; struct sigqueue *q, **pq; - abi_ulong handler; - int queue; trace_user_queue_signal(env, sig); k = &ts->sigtab[sig - 1]; - queue = gdb_queuesig (); - handler = sigact_table[sig - 1]._sa_handler; - if (sig == TARGET_SIGSEGV && sigismember(&ts->signal_mask, SIGSEGV)) { - /* Guest has blocked SIGSEGV but we got one anyway. Assume this - * is a forced SIGSEGV (ie one the kernel handles via force_sig_info - * because it got a real MMU fault). A blocked SIGSEGV in that - * situation is treated as if using the default handler. This is - * not correct if some other process has randomly sent us a SIGSEGV - * via kill(), but that is not easy to distinguish at this point, - * so we assume it doesn't happen. - */ - handler = TARGET_SIG_DFL; - } - - if (!queue && handler == TARGET_SIG_DFL) { - if (sig == TARGET_SIGTSTP || sig == TARGET_SIGTTIN || sig == TARGET_SIGTTOU) { - kill(getpid(),SIGSTOP); - return 0; - } else - /* default handler : ignore some signal. The other are fatal */ - if (sig != TARGET_SIGCHLD && - sig != TARGET_SIGURG && - sig != TARGET_SIGWINCH && - sig != TARGET_SIGCONT) { - force_sig(sig); - } else { - return 0; /* indicate ignored */ - } - } else if (!queue && handler == TARGET_SIG_IGN) { - /* ignore signal */ - return 0; - } else if (!queue && handler == TARGET_SIG_ERR) { - force_sig(sig); - } else { pq = &k->first; if (sig < TARGET_SIGRTMIN) { /* if non real time signal, we queue exactly one signal */ @@ -591,7 +555,6 @@ int queue_signal(CPUArchState *env, int sig, target_siginfo_t *info) /* signal that a new signal is pending */ atomic_set(&ts->signal_pending, 1); return 1; /* indicates that the signal was queued */ - } } #ifndef HAVE_SAFE_SYSCALL |