Linux Kernel  3.7.1
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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 {
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();
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