[certi-cvs] certi/libCERTI SHMWin32.hh SHMWin32.cc

[certi-cvs]

CVSROOT:        /sources/certi
Module name:    certi
Changes by:     Eric NOULARD <erk>      10/01/20 12:57:09

Added files:
        libCERTI       : SHMWin32.hh SHMWin32.cc 

Log message:
        Add missing Win32  files from SHM new gen merge

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/certi/libCERTI/SHMWin32.hh?cvsroot=certi&rev=1.2
http://cvs.savannah.gnu.org/viewcvs/certi/libCERTI/SHMWin32.cc?cvsroot=certi&rev=1.2

Patches:
Index: SHMWin32.hh
===================================================================
RCS file: SHMWin32.hh
diff -N SHMWin32.hh
--- /dev/null   1 Jan 1970 00:00:00 -0000
+++ SHMWin32.hh 20 Jan 2010 12:57:09 -0000      1.2
@@ -0,0 +1,27 @@
+#ifndef SHM_WIN32_H
+#define SHM_WIN32_H
+
+// Specifics includes
+#include "SHM.hh"
+#include "certi.hh"
+#include "Exception.hh"
+
+class CERTI_EXPORT SHMWin32 : public SHM {
+
+    private :
+        HANDLE _hMapFile ;
+        LPCTSTR _pBuf;
+
+    public :
+    SHMWin32(const std::string& SHMName, const int SHMSize, const bool True) ;
+    SHMWin32(const std::string& SHMName, const int SHMSize) ;
+    ~SHMWin32() ;
+
+    void Open() throw(certi::SharedMemoryNotOpen) ;
+    void Attach() throw(certi::SharedMemoryNotAttached) ;
+    void Close() throw(certi::SharedMemoryNotClosed,
+                       certi::HandleNotClosed);
+
+} ;
+
+#endif

Index: SHMWin32.cc
===================================================================
RCS file: SHMWin32.cc
diff -N SHMWin32.cc
--- /dev/null   1 Jan 1970 00:00:00 -0000
+++ SHMWin32.cc 20 Jan 2010 12:57:09 -0000      1.2
@@ -0,0 +1,107 @@
+// SHM useful systems includes
+#include <windows.h>
+#include <conio.h>
+#include <tchar.h>
+
+// Others Systems includes
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <iostream.h>
+#include <string.h>
+
+#include "SHMWin32.hh"
+
+// ************************************************
+// Constructor with args
+// ************************************************
+SHMWin32::SHMWin32(const std::string& SHMName, const int SHMSize, const bool 
True)  : SHM(SHMName, SHMSize, True) {
+        _hMapFile = NULL ;
+        _pBuf = NULL ;
+}
+
+SHMWin32::SHMWin32(const std::string& SHMName, const int SHMSize)  : 
SHM(SHMName,SHMSize) {
+        _hMapFile = NULL ;
+        _pBuf = NULL ;
+}
+
+// ************************************************
+// Destructor
+SHMWin32::~SHMWin32() {}
+
+// ************************************************
+// Method : SHMWin32::Open()
+// ************************************************
+void SHMWin32::Open() throw(certi::SharedMemoryNotOpen) {
+
+int ret ;
+
+   _hMapFile = CreateFileMapping(
+                      INVALID_HANDLE_VALUE,                // use paging file
+                      NULL,                                // default security
+                      PAGE_READWRITE,                      // read/write access
+                      (DWORD)0,                                   // max. 
object size
+                      (DWORD)_Size,                        // buffer size
+                      (LPCTSTR)(_Name.c_str()));           // name of mapping 
object
+
+    if (_hMapFile == NULL) {
+        throw(certi::SharedMemoryNotOpen("CreateFileMapping() failed.")) ;
+        }
+
+#ifdef DEBUG
+std::cout <<  "Created shared memory object : " << _Name.c_str() << std::endl ;
+#endif
+
+} // End of Open()
+
+// ************************************************
+// Method : SHMWin32::Attach()
+// ************************************************
+void SHMWin32::Attach() throw(certi::SharedMemoryNotAttached) {
+
+BOOL WINAPI retcode ;
+
+_pBuf = (LPTSTR) MapViewOfFile(_hMapFile,
+                   FILE_MAP_ALL_ACCESS,      // read/write permission
+                   0,
+                   0,
+                   (SIZE_T)(GetSize()));
+
+    if (_pBuf == NULL) {
+        retcode=UnmapViewOfFile((PVOID)_pBuf);
+        CloseHandle(_hMapFile);
+        throw(certi::SharedMemoryNotAttached("MapViewOfFile() failed.")) ;
+    }
+
+    _Shm = (void *) _pBuf ;
+
+} // End of Attach()
+
+// ************************************************
+// Method : SHMWin32::Close()
+// ************************************************
+void SHMWin32::Close() throw(certi::SharedMemoryNotClosed,
+                             certi::HandleNotClosed) {
+
+BOOL WINAPI retcode ;
+
+// Unmap
+   retcode=UnmapViewOfFile((PVOID)_pBuf);
+
+if (retcode == 0) {
+    throw(certi::SharedMemoryNotClosed("UnMapViewOfFile() failed.")) ;
+    }
+
+#ifdef DEBUG
+std::cout <<  "Close SHM (UnmapViewOfFile) : " << _Name.c_str() << std::endl ;
+#endif
+
+// Close handle
+   retcode = CloseHandle(_hMapFile);
+
+if(retcode == 0){
+   throw(certi::HandleNotClosed("CloseHandle() failed.")) ;
+   } // End of if
+
+} // End of Close()
+