diff options
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/signal.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c index f48902882d..b21d6bf625 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -640,7 +640,7 @@ out: return ret; } -/* do_sigaction() return host values and errnos */ +/* do_sigaction() return target values and host errnos */ int do_sigaction(int sig, const struct target_sigaction *act, struct target_sigaction *oact) { @@ -649,8 +649,14 @@ int do_sigaction(int sig, const struct target_sigaction *act, int host_sig; int ret = 0; - if (sig < 1 || sig > TARGET_NSIG || sig == TARGET_SIGKILL || sig == TARGET_SIGSTOP) - return -EINVAL; + if (sig < 1 || sig > TARGET_NSIG || sig == TARGET_SIGKILL || sig == TARGET_SIGSTOP) { + return -TARGET_EINVAL; + } + + if (block_signals()) { + return -TARGET_ERESTARTSYS; + } + k = &sigact_table[sig - 1]; if (oact) { __put_user(k->_sa_handler, &oact->_sa_handler); |