|  | #ifndef __UM_IRQFLAGS_H | 
|  | #define __UM_IRQFLAGS_H | 
|  |  | 
|  | extern int get_signals(void); | 
|  | extern int set_signals(int enable); | 
|  | extern void block_signals(void); | 
|  | extern void unblock_signals(void); | 
|  |  | 
|  | static inline unsigned long arch_local_save_flags(void) | 
|  | { | 
|  | return get_signals(); | 
|  | } | 
|  |  | 
|  | static inline void arch_local_irq_restore(unsigned long flags) | 
|  | { | 
|  | set_signals(flags); | 
|  | } | 
|  |  | 
|  | static inline void arch_local_irq_enable(void) | 
|  | { | 
|  | unblock_signals(); | 
|  | } | 
|  |  | 
|  | static inline void arch_local_irq_disable(void) | 
|  | { | 
|  | block_signals(); | 
|  | } | 
|  |  | 
|  | static inline unsigned long arch_local_irq_save(void) | 
|  | { | 
|  | unsigned long flags; | 
|  | flags = arch_local_save_flags(); | 
|  | arch_local_irq_disable(); | 
|  | return flags; | 
|  | } | 
|  |  | 
|  | static inline bool arch_irqs_disabled(void) | 
|  | { | 
|  | return arch_local_save_flags() == 0; | 
|  | } | 
|  |  | 
|  | #endif |