LXR linux/arch/um/include/asm/irqflags.h

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