LXR linux-old/include/asm-sh/softirq.h

   1#ifndef __ASM_SH_SOFTIRQ_H
   2#define __ASM_SH_SOFTIRQ_H
   3
   4#include <asm/atomic.h>
   5#include <asm/hardirq.h>
   6
   7#define local_bh_disable()                      \
   8do {                                            \
   9        local_bh_count(smp_processor_id())++;   \
  10        barrier();                              \
  11} while (0)
  12
  13#define __local_bh_enable()                     \
  14do {                                            \
  15        barrier();                              \
  16        local_bh_count(smp_processor_id())--;   \
  17} while (0)
  18
  19#define local_bh_enable()                               \
  20do {                                                    \
  21        barrier();                                      \
  22        if (!--local_bh_count(smp_processor_id())       \
  23            && softirq_pending(smp_processor_id())) {   \
  24                do_softirq();                           \
  25        }                                               \
  26} while (0)
  27
  28#define in_softirq() (local_bh_count(smp_processor_id()) != 0)
  29
  30#endif /* __ASM_SH_SOFTIRQ_H */
  31