20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_RUNTIME_SEMAPHORE_HPP
  26 #define SHARE_VM_RUNTIME_SEMAPHORE_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 
  30 #if defined(TARGET_OS_FAMILY_linux) || defined(TARGET_OS_FAMILY_solaris) || defined(TARGET_OS_FAMILY_aix)
  31 # include "semaphore_posix.hpp"
  32 #elif defined(TARGET_OS_FAMILY_bsd)
  33 # include "semaphore_bsd.hpp"
  34 #elif defined(TARGET_OS_FAMILY_windows)
  35 # include "semaphore_windows.hpp"
  36 #else
  37 # error "No semaphore implementation provided for this OS"
  38 #endif
  39 

  40 class Semaphore : public CHeapObj<mtInternal> {
  41  private:
  42   // Prevent copying and assignment of Semaphore instances.
  43   Semaphore(const Semaphore&);
  44   Semaphore& operator=(const Semaphore&);
  45 
  46  protected:
  47   SemaphoreImpl _impl;
  48 
  49  public:
  50   Semaphore(uint value = 0);
  51   ~Semaphore();
  52 
  53   void signal(uint count = 1);
  54 
  55   void wait();
  56 };
  57 
  58 
  59 #endif // SHARE_VM_RUNTIME_SEMAPHORE_HPP

  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_RUNTIME_SEMAPHORE_HPP
  26 #define SHARE_VM_RUNTIME_SEMAPHORE_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 
  30 #if defined(TARGET_OS_FAMILY_linux) || defined(TARGET_OS_FAMILY_solaris) || defined(TARGET_OS_FAMILY_aix)
  31 # include "semaphore_posix.hpp"
  32 #elif defined(TARGET_OS_FAMILY_bsd)
  33 # include "semaphore_bsd.hpp"
  34 #elif defined(TARGET_OS_FAMILY_windows)
  35 # include "semaphore_windows.hpp"
  36 #else
  37 # error "No semaphore implementation provided for this OS"
  38 #endif
  39 
  40 // Implements the limited, platform independent Semaphore API.
  41 class Semaphore : public CHeapObj<mtInternal> {
  42  private:
  43   // Prevent copying and assignment of Semaphore instances.
  44   Semaphore(const Semaphore&);
  45   Semaphore& operator=(const Semaphore&);
  46 
  47  protected:
  48   SemaphoreImpl _impl;
  49 
  50  public:
  51   Semaphore(uint value = 0) : _impl(value) {}
  52   ~Semaphore() {}
  53 
  54   void signal(uint count = 1) { _impl.signal(count); }
  55 
  56   void wait()                 { _impl.wait(); }
  57 };
  58 
  59 
  60 #endif // SHARE_VM_RUNTIME_SEMAPHORE_HPP