diff options
Diffstat (limited to 'arch/tile/include/asm/thread_info.h')
-rw-r--r-- | arch/tile/include/asm/thread_info.h | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h index 7594764d8a69..7e1fef36bde6 100644 --- a/arch/tile/include/asm/thread_info.h +++ b/arch/tile/include/asm/thread_info.h @@ -77,16 +77,14 @@ struct thread_info { #ifndef __ASSEMBLY__ +void arch_release_thread_info(struct thread_info *info); + /* How to get the thread information struct from C. */ register unsigned long stack_pointer __asm__("sp"); #define current_thread_info() \ ((struct thread_info *)(stack_pointer & -THREAD_SIZE)) -#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR -extern struct thread_info *alloc_thread_info_node(struct task_struct *task, int node); -extern void free_thread_info(struct thread_info *info); - /* Sit on a nap instruction until interrupted. */ extern void smp_nap(void); @@ -168,7 +166,23 @@ static inline void set_restore_sigmask(void) { struct thread_info *ti = current_thread_info(); ti->status |= TS_RESTORE_SIGMASK; - set_bit(TIF_SIGPENDING, &ti->flags); + WARN_ON(!test_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__ */ |