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authorAl Viro <viro@zeniv.linux.org.uk>2012-04-26 22:29:20 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-06-01 12:58:47 -0400
commit4ebefe3ec729003443daf153ed6fad1739271283 (patch)
treecea05e7086314d200886fd3b76867e8fb5e6574b
parent754421c8cab1a568be844a7069fe04c1cf6391b8 (diff)
downloadblackbird-op-linux-4ebefe3ec729003443daf153ed6fad1739271283.tar.gz
blackbird-op-linux-4ebefe3ec729003443daf153ed6fad1739271283.zip
new helpers: {clear,test,test_and_clear}_restore_sigmask()
helpers parallel to set_restore_sigmask(), used in the next commits Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--arch/ia64/include/asm/thread_info.h16
-rw-r--r--arch/microblaze/include/asm/thread_info.h16
-rw-r--r--arch/powerpc/include/asm/thread_info.h16
-rw-r--r--arch/sh/include/asm/thread_info.h17
-rw-r--r--arch/sparc/include/asm/thread_info_64.h16
-rw-r--r--arch/tile/include/asm/thread_info.h16
-rw-r--r--arch/x86/include/asm/thread_info.h16
-rw-r--r--include/linux/thread_info.h12
8 files changed, 125 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h
index 310d9734f02d..8d600363fa57 100644
--- a/arch/ia64/include/asm/thread_info.h
+++ b/arch/ia64/include/asm/thread_info.h
@@ -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 */
diff --git a/arch/microblaze/include/asm/thread_info.h b/arch/microblaze/include/asm/thread_info.h
index 1a8ab6a5c03f..12e39206b3ef 100644
--- a/arch/microblaze/include/asm/thread_info.h
+++ b/arch/microblaze/include/asm/thread_info.h
@@ -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__ */
diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index a556ccc16b58..85d50a93a92f 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h
@@ -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)
{
diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h
index 0c04ffc4f12c..a109157c6b8f 100644
--- a/arch/sh/include/asm/thread_info.h
+++ b/arch/sh/include/asm/thread_info.h
@@ -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__ */
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 7f0981b09451..cb9b7a9f5fc1 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -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__ */
diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h
index 656c486e64fa..5aef371921e4 100644
--- a/arch/tile/include/asm/thread_info.h
+++ b/arch/tile/include/asm/thread_info.h
@@ -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 */
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index 5c25de07cba8..8f3f1ff69fa9 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -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)
{
diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index eee729428683..ed279701ac79 100644
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -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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