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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>
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Al Viro committed Jun 1, 2012
1 parent 754421c commit 4ebefe3
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Showing 8 changed files with 125 additions and 0 deletions.
16 changes: 16 additions & 0 deletions arch/ia64/include/asm/thread_info.h
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Original file line number Diff line number Diff line change
Expand Up @@ -143,6 +143,22 @@ static inline void set_restore_sigmask(void)
ti->status |= TS_RESTORE_SIGMASK;
set_bit(TIF_SIGPENDING, &ti->flags);
}
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 /* _ASM_IA64_THREAD_INFO_H */
16 changes: 16 additions & 0 deletions arch/microblaze/include/asm/thread_info.h
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Expand Up @@ -168,6 +168,22 @@ static inline void set_restore_sigmask(void)
ti->status |= TS_RESTORE_SIGMASK;
set_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags);
}
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

#endif /* __KERNEL__ */
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16 changes: 16 additions & 0 deletions arch/powerpc/include/asm/thread_info.h
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Expand Up @@ -142,6 +142,22 @@ static inline void set_restore_sigmask(void)
ti->local_flags |= _TLF_RESTORE_SIGMASK;
set_bit(TIF_SIGPENDING, &ti->flags);
}
static inline void clear_restore_sigmask(void)
{
current_thread_info()->local_flags &= ~_TLF_RESTORE_SIGMASK;
}
static inline bool test_restore_sigmask(void)
{
return current_thread_info()->local_flags & _TLF_RESTORE_SIGMASK;
}
static inline bool test_and_clear_restore_sigmask(void)
{
struct thread_info *ti = current_thread_info();
if (!(ti->local_flags & _TLF_RESTORE_SIGMASK))
return false;
ti->local_flags &= ~_TLF_RESTORE_SIGMASK;
return true;
}

static inline bool test_thread_local_flags(unsigned int flags)
{
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17 changes: 17 additions & 0 deletions arch/sh/include/asm/thread_info.h
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Expand Up @@ -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__ */
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16 changes: 16 additions & 0 deletions arch/sparc/include/asm/thread_info_64.h
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Original file line number Diff line number Diff line change
Expand Up @@ -240,6 +240,22 @@ static inline void set_restore_sigmask(void)
ti->status |= TS_RESTORE_SIGMASK;
set_bit(TIF_SIGPENDING, &ti->flags);
}
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__ */
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16 changes: 16 additions & 0 deletions arch/tile/include/asm/thread_info.h
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Original file line number Diff line number Diff line change
Expand Up @@ -168,6 +168,22 @@ static inline void set_restore_sigmask(void)
ti->status |= TS_RESTORE_SIGMASK;
set_bit(TIF_SIGPENDING, &ti->flags);
}
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 /* _ASM_TILE_THREAD_INFO_H */
16 changes: 16 additions & 0 deletions arch/x86/include/asm/thread_info.h
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Original file line number Diff line number Diff line change
Expand Up @@ -250,6 +250,22 @@ static inline void set_restore_sigmask(void)
ti->status |= TS_RESTORE_SIGMASK;
set_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags);
}
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;
}

static inline bool is_ia32_task(void)
{
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12 changes: 12 additions & 0 deletions include/linux/thread_info.h
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Original file line number Diff line number Diff line change
Expand Up @@ -127,6 +127,18 @@ static inline void set_restore_sigmask(void)
set_thread_flag(TIF_RESTORE_SIGMASK);
set_thread_flag(TIF_SIGPENDING);
}
static inline void clear_restore_sigmask(void)
{
clear_thread_flag(TIF_RESTORE_SIGMASK);
}
static inline bool test_restore_sigmask(void)
{
return test_thread_flag(TIF_RESTORE_SIGMASK);
}
static inline bool test_and_clear_restore_sigmask(void)
{
return test_and_clear_thread_flag(TIF_RESTORE_SIGMASK);
}
#endif /* TIF_RESTORE_SIGMASK && !HAVE_SET_RESTORE_SIGMASK */

#ifndef HAVE_SET_RESTORE_SIGMASK
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