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new helper: restore_saved_sigmask()

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first fruits of ..._restore_sigmask() helpers: now we can take
boilerplate "signal didn't have a handler, clear RESTORE_SIGMASK
and restore the blocked mask from ->saved_mask" into a common
helper.  Open-coded instances switched...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-05-21 23:33:55 -04:00
parent 4ebefe3ec7
commit 51a7b448d4
32 changed files with 38 additions and 125 deletions
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6
include/linux/sched.h
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@@ -2207,6 +2207,12 @@ extern int send_sigqueue(struct sigqueue *, struct task_struct *, int group);
extern int do_sigaction(int, struct k_sigaction *, struct k_sigaction *);
extern int do_sigaltstack(const stack_t __user *, stack_t __user *, unsigned long);
static inline void restore_saved_sigmask(void)
{
if (test_and_clear_restore_sigmask())
set_current_blocked(&current->saved_sigmask);
}
static inline int kill_cad_pid(int sig, int priv)
{
return kill_pid(cad_pid, sig, priv);