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Linux/arch/um/include/asm/irqflags.h

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  1 #ifndef __UM_IRQFLAGS_H
  2 #define __UM_IRQFLAGS_H
  3 
  4 extern int get_signals(void);
  5 extern int set_signals(int enable);
  6 extern void block_signals(void);
  7 extern void unblock_signals(void);
  8 
  9 static inline unsigned long arch_local_save_flags(void)
 10 {
 11         return get_signals();
 12 }
 13 
 14 static inline void arch_local_irq_restore(unsigned long flags)
 15 {
 16         set_signals(flags);
 17 }
 18 
 19 static inline void arch_local_irq_enable(void)
 20 {
 21         unblock_signals();
 22 }
 23 
 24 static inline void arch_local_irq_disable(void)
 25 {
 26         block_signals();
 27 }
 28 
 29 static inline unsigned long arch_local_irq_save(void)
 30 {
 31         unsigned long flags;
 32         flags = arch_local_save_flags();
 33         arch_local_irq_disable();
 34         return flags;
 35 }
 36 
 37 static inline bool arch_irqs_disabled(void)
 38 {
 39         return arch_local_save_flags() == 0;
 40 }
 41 
 42 #endif
 43 

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