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new helper: sigsuspend()

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guts of saved_sigmask-based sigsuspend/rt_sigsuspend.  Takes
kernel sigset_t *.

Open-coded instances replaced with calling it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-05-21 21:42:32 -04:00
parent bf67f3a5c4
commit 68f3f16d9a
21 changed files with 50 additions and 223 deletions
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12
arch/sparc/kernel/signal_32.c
View File

@@ -64,18 +64,8 @@ struct rt_signal_frame {
static int _sigpause_common(old_sigset_t set)
{
sigset_t blocked;
current->saved_sigmask = current->blocked;
set &= _BLOCKABLE;
siginitset(&blocked, set);
set_current_blocked(&blocked);
current->state = TASK_INTERRUPTIBLE;
schedule();
set_thread_flag(TIF_RESTORE_SIGMASK);
return -ERESTARTNOHAND;
return sigsuspend(&blocked);
}
asmlinkage int sys_sigsuspend(old_sigset_t set)

13
arch/sparc/kernel/signal_64.c
View File

@@ -242,19 +242,8 @@ struct rt_signal_frame {
static long _sigpause_common(old_sigset_t set)
{
sigset_t blocked;
current->saved_sigmask = current->blocked;
set &= _BLOCKABLE;
siginitset(&blocked, set);
set_current_blocked(&blocked);
current->state = TASK_INTERRUPTIBLE;
schedule();
set_restore_sigmask();
return -ERESTARTNOHAND;
return sigsuspend(&blocked);
}
asmlinkage long sys_sigpause(unsigned int set)