diff options
Diffstat (limited to 'arch/x86/kernel/signal.c')
| -rw-r--r-- | arch/x86/kernel/signal.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index bf9345da380b..8c55f97728cd 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -651,11 +651,15 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka, static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs *regs) + struct pt_regs *regs) { int usig = signr_convert(sig); + sigset_t *set = ¤t->blocked; int ret; + if (current_thread_info()->status & TS_RESTORE_SIGMASK) + set = ¤t->saved_sigmask; + /* Set up the stack frame */ if (is_ia32) { if (ka->sa.sa_flags & SA_SIGINFO) @@ -670,12 +674,13 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, return -EFAULT; } + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; return ret; } static int handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, - sigset_t *oldset, struct pt_regs *regs) + struct pt_regs *regs) { sigset_t blocked; int ret; @@ -710,7 +715,7 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, likely(test_and_clear_thread_flag(TIF_FORCED_TF))) regs->flags &= ~X86_EFLAGS_TF; - ret = setup_rt_frame(sig, ka, info, oldset, regs); + ret = setup_rt_frame(sig, ka, info, regs); if (ret) return ret; @@ -765,7 +770,6 @@ static void do_signal(struct pt_regs *regs) struct k_sigaction ka; siginfo_t info; int signr; - sigset_t *oldset; /* * We want the common case to go fast, which is why we may in certain @@ -777,23 +781,10 @@ static void do_signal(struct pt_regs *regs) if (!user_mode(regs)) return; - if (current_thread_info()->status & TS_RESTORE_SIGMASK) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Whee! Actually deliver the signal. */ - if (handle_signal(signr, &info, &ka, oldset, regs) == 0) { - /* - * A signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TS_RESTORE_SIGMASK flag. - */ - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - } + handle_signal(signr, &info, &ka, regs); return; } @@ -821,7 +812,7 @@ static void do_signal(struct pt_regs *regs) */ if (current_thread_info()->status & TS_RESTORE_SIGMASK) { current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + set_current_blocked(¤t->saved_sigmask); } } |