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Linux Cross Reference
Linux/include/asm-i386/softirq.h

Version: ~ [ 2.4.0 ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~ 
  1 #ifndef __ASM_SOFTIRQ_H
  2 #define __ASM_SOFTIRQ_H
  3 
  4 #include <asm/atomic.h>
  5 #include <asm/hardirq.h>
  6 
  7 #define cpu_bh_disable(cpu)     do { local_bh_count(cpu)++; barrier(); } while (0)
  8 #define cpu_bh_enable(cpu)      do { barrier(); local_bh_count(cpu)--; } while (0)
  9 
 10 #define local_bh_disable()      cpu_bh_disable(smp_processor_id())
 11 #define local_bh_enable()       cpu_bh_enable(smp_processor_id())
 12 
 13 #define in_softirq() (local_bh_count(smp_processor_id()) != 0)
 14 
 15 #endif  /* __ASM_SOFTIRQ_H */
 16
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