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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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14
arch/c6x/kernel/signal.c
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@@ -250,8 +250,7 @@ do_restart:
*/
static int handle_signal(int sig,
siginfo_t *info, struct k_sigaction *ka,
sigset_t *oldset, struct pt_regs *regs,
int syscall)
struct pt_regs *regs, int syscall)
{
int ret;
@@ -278,7 +277,7 @@ static int handle_signal(int sig,
}
/* Set up the stack frame */
ret = setup_rt_frame(sig, ka, info, oldset, regs);
ret = setup_rt_frame(sig, ka, info, sigmask_to_save(), regs);
if (ret == 0)
block_sigmask(ka, sig);
@@ -292,7 +291,6 @@ static void do_signal(struct pt_regs *regs, int syscall)
{
struct k_sigaction ka;
siginfo_t info;
sigset_t *oldset;
int signr;
/* we want the common case to go fast, which is why we may in certain
@@ -300,15 +298,9 @@ static void do_signal(struct pt_regs *regs, int syscall)
if (!user_mode(regs))
return;
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) {
if (handle_signal(signr, &info, &ka, oldset,
regs, syscall) == 0) {
if (handle_signal(signr, &info, &ka, regs, syscall) == 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