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new helper: sigmask_to_save()

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replace boilerplate "should we use ->saved_sigmask or ->blocked?"
with calls of obvious inlined helper...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-05-02 09:59:21 -04:00
parent 51a7b448d4
commit b7f9a11a6c
31 changed files with 92 additions and 250 deletions
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12
arch/m32r/kernel/signal.c
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@ -269,7 +269,7 @@ static int prev_insn(struct pt_regs *regs)
static int
handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
sigset_t *oldset, struct pt_regs *regs)
struct pt_regs *regs)
{
/* Are we from a system call? */
if (regs->syscall_nr >= 0) {
@ -294,7 +294,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
}
/* Set up the stack frame */
if (setup_rt_frame(sig, ka, info, oldset, regs))
if (setup_rt_frame(sig, ka, info, sigmask_to_save(), regs))
return -EFAULT;
block_sigmask(ka, sig);
@ -311,7 +311,6 @@ static void do_signal(struct pt_regs *regs)
siginfo_t info;
int signr;
struct k_sigaction ka;
sigset_t *oldset;
/*
* We want the common case to go fast, which
@ -325,11 +324,6 @@ static void do_signal(struct pt_regs *regs)
if (try_to_freeze())
goto no_signal;
if (test_thread_flag(TIF_RESTORE_SIGMASK))
oldset = &current->saved_sigmask;
else
oldset = &current->blocked;
signr = get_signal_to_deliver(&info, &ka, regs, NULL);
if (signr > 0) {
/* Re-enable any watchpoints before delivering the
@ -339,7 +333,7 @@ static void do_signal(struct pt_regs *regs)
*/
/* Whee! Actually deliver the signal. */
if (handle_signal(signr, &ka, &info, oldset, regs) == 0)
if (handle_signal(signr, &ka, &info, regs) == 0)
clear_thread_flag(TIF_RESTORE_SIGMASK);
return;