arch/um/include/asm/irqflags.h

   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