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new helpers: {clear,test,test_and_clear}_restore_sigmask()

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helpers parallel to set_restore_sigmask(), used in the next commits

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-04-26 22:29:20 -04:00
parent 754421c8ca
commit 4ebefe3ec7
8 changed files with 125 additions and 0 deletions
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arch/sh/include/asm/thread_info.h
+17
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@@ -189,6 +189,23 @@ static inline unsigned int get_thread_fault_code(void)
struct thread_info *ti = current_thread_info();
return ti->flags >> TI_FLAG_FAULT_CODE_SHIFT;
}
static inline void clear_restore_sigmask(void)
{
current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
}
static inline bool test_restore_sigmask(void)
{
return current_thread_info()->status & TS_RESTORE_SIGMASK;
}
static inline bool test_and_clear_restore_sigmask(void)
{
struct thread_info *ti = current_thread_info();
if (!(ti->status & TS_RESTORE_SIGMASK))
return false;
ti->status &= ~TS_RESTORE_SIGMASK;
return true;
}
#endif /* !__ASSEMBLY__ */
#endif /* __KERNEL__ */