new helper: sigmask_to_save()

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

View File

@@ -524,8 +524,9 @@ handle_syscall_restart(unsigned long save_r0, 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, unsigned int save_r0)
struct pt_regs *regs, unsigned int save_r0)
{
sigset_t *oldset = sigmask_to_save();
int ret;
/* Set up the stack frame */
@@ -554,7 +555,6 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0)
siginfo_t info;
int signr;
struct k_sigaction ka;
sigset_t *oldset;
/*
* We want the common case to go fast, which
@@ -565,17 +565,12 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0)
if (!user_mode(regs))
return;
if (current_thread_info()->status & TS_RESTORE_SIGMASK)
oldset = &current->saved_sigmask;
else
oldset = &current->blocked;
signr = get_signal_to_deliver(&info, &ka, regs, NULL);
if (signr > 0) {
handle_syscall_restart(save_r0, regs, &ka.sa);
/* Whee! Actually deliver the signal. */
if (handle_signal(signr, &ka, &info, oldset,
if (handle_signal(signr, &ka, &info,
regs, save_r0) == 0) {
/*
* A signal was successfully delivered; the saved

View File

@@ -45,7 +45,7 @@
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);
static inline void
handle_syscall_restart(struct pt_regs *regs, struct sigaction *sa)
@@ -88,7 +88,6 @@ 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
@@ -99,17 +98,12 @@ static void do_signal(struct pt_regs *regs)
if (!user_mode(regs))
return;
if (current_thread_info()->status & TS_RESTORE_SIGMASK)
oldset = &current->saved_sigmask;
else
oldset = &current->blocked;
signr = get_signal_to_deliver(&info, &ka, regs, 0);
if (signr > 0) {
handle_syscall_restart(regs, &ka.sa);
/* Whee! Actually deliver the signal. */
if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {
if (handle_signal(signr, &info, &ka, regs) == 0) {
/*
* If a signal was successfully delivered, the
* saved sigmask is in its frame, and we can
@@ -656,8 +650,9 @@ give_sigsegv:
*/
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 *oldset = sigmask_to_save();
int ret;
/* Set up the stack frame */