src/ipc/Kids.h

   1 /*
   2  * $Id$
   3  *
   4  */
   5
   6 #ifndef SQUID_IPC_KIDS_H
   7 #define SQUID_IPC_KIDS_H
   8
   9 #include "Array.h"
  10 #include "ipc/Kid.h"
  11
  12
  13 /// a collection of kids
  14 class Kids
  15 {
  16 public:
  17     Kids ();
  18
  19 private:
  20     Kids (const Kids&); ///< not implemented
  21     Kids& operator= (const Kids&); ///< not implemented
  22
  23 public:
  24     /// maintain n kids
  25     void init(size_t n);
  26
  27     /// returns kid by pid
  28     Kid* find(pid_t pid);
  29
  30     /// returns the kid by index, useful for kids iteration
  31     Kid& get(size_t i);
  32
  33     /// whether all kids are hopeless
  34     bool allHopeless() const;
  35
  36     /// whether all kids called exited happy
  37     bool allExitedHappy() const;
  38
  39     /// whether all kids died from a given signal
  40     bool allSignaled(int sgnl) const;
  41
  42     /// returns the number of kids
  43     size_t count() const;
  44
  45 private:
  46     Vector<Kid> storage;
  47 };
  48
  49 extern Kids TheKids; ///< All kids being maintained
  50
  51 extern char KidName[NAME_MAX]; ///< current Squid process name (e.g., squid2)
  52 extern int KidIdentifier; ///< current Squid process number (e.g., 4)
  53
  54
  55 #endif /* SQUID_IPC_KIDS_H */