panaLiX: Plik źródłowy src/ipc/lock.hpp

00001 /*header file for src/ipc/lock.cpp*/
00002 
00003 #ifndef _CORE_IPC_LOCK_HPP
00004 #define _CORE_IPC_LOCK_HPP
00005 
00006 #include "src/common/error.hpp"
00007 #include "src/common/types.hpp"
00008 
00009 namespace IPC {
00010 namespace Lock {
00011 
00012 extern volatile bool disable_all_locks;
00013 
00014 const uint32 LOCK_NAME  = 0x10;
00015 
00016 class lock_t
00017  {
00018 public:
00019         char name[LOCK_NAME];
00020 // private:
00021         bool state;
00022    struct eip_ebp eipebp;
00023    uint32 eflags;
00024 public:
00025 
00026 
00027         lock_t(const char *nam);
00028         lock_t();
00029         void init(const char *nam);
00030         bool locked();  //returns state
00031         void lock();    /*get the lock*/
00032         void lock(bool slp);
00033         void lock2();   //get the lock, not spinning, sleeping
00034         void ulock();   /*release the lock*/
00035  };
00036 
00037 
00038   };    /*namespace Lock*/
00039  };     /*namespace IPC*/
00040 
00041 extern IPC::Lock::lock_t lock_system;   // when a critical section should not be interrupted
00042 
00043 #endif