src/CpuAffinitySet.h

   1 /*
   2  */
   3
   4 #ifndef SQUID_CPU_AFFINITY_SET_H
   5 #define SQUID_CPU_AFFINITY_SET_H
   6
   7 #include "compat/cpu.h"
   8
   9 /// cpu affinity management for a single process
  10 class CpuAffinitySet
  11 {
  12 public:
  13     CpuAffinitySet();
  14
  15     /// set CPU affinity for this process
  16     void apply();
  17
  18     /// undo CPU affinity changes for this process
  19     void undo();
  20
  21     /// whether apply() was called and was not undone
  22     bool applied() const;
  23
  24     /// set CPU affinity mask
  25     void set(const cpu_set_t &aCpuSet);
  26
  27 private:
  28     cpu_set_t theCpuSet; ///< configured CPU affinity for this process
  29     cpu_set_t theOrigCpuSet; ///< CPU affinity for this process before apply()
  30 };
  31
  32 #endif // SQUID_CPU_AFFINITY_SET_H