Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : /*
       7             : ** prshm.c -- NSPR Named Shared Memory
       8             : **
       9             : ** lth. Jul-1999.
      10             : */
      11             : #include <string.h>
      12             : #include "primpl.h"
      13             : 
      14             : extern PRLogModuleInfo *_pr_shm_lm;
      15             : 
      16             : 
      17             : #if defined PR_HAVE_SYSV_NAMED_SHARED_MEMORY
      18             : /* SysV implementation is in pr/src/md/unix/uxshm.c */
      19             : #elif defined PR_HAVE_POSIX_NAMED_SHARED_MEMORY
      20             : /* Posix implementation is in pr/src/md/unix/uxshm.c */
      21             : #elif defined PR_HAVE_WIN32_NAMED_SHARED_MEMORY
      22             : /* Win32 implementation is in pr/src/md/windows/w32shm.c */
      23             : #else 
      24             : /* 
      25             : **  there is no named_shared_memory 
      26             : */
      27             : extern PRSharedMemory*  _MD_OpenSharedMemory( const char *name, PRSize size, PRIntn flags, PRIntn mode )
      28             : {
      29             :     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
      30             :     return NULL;
      31             : }    
      32             : 
      33             : extern void * _MD_AttachSharedMemory( PRSharedMemory *shm, PRIntn flags )
      34             : {
      35             :     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
      36             :     return NULL;
      37             : }    
      38             : 
      39             : extern PRStatus _MD_DetachSharedMemory( PRSharedMemory *shm, void *addr )
      40             : {
      41             :     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
      42             :     return PR_FAILURE;
      43             : }    
      44             : 
      45             : extern PRStatus _MD_CloseSharedMemory( PRSharedMemory *shm )
      46             : {
      47             :     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
      48             :     return PR_FAILURE;
      49             : }    
      50             : 
      51             : extern PRStatus _MD_DeleteSharedMemory( const char *name )
      52             : {
      53             :     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
      54             :     return PR_FAILURE;
      55             : }    
      56             : #endif /* HAVE_SYSV_NAMED_SHARED_MEMORY */
      57             : 
      58             : /*
      59             : ** FUNCTION: PR_OpenSharedMemory()
      60             : **
      61             : */
      62             : PR_IMPLEMENT( PRSharedMemory * )
      63             :     PR_OpenSharedMemory(
      64             :         const char *name,
      65             :         PRSize      size,
      66             :         PRIntn      flags,
      67             :         PRIntn      mode
      68             : )
      69             : {
      70           0 :     if (!_pr_initialized) _PR_ImplicitInitialization();
      71           0 :     return( _PR_MD_OPEN_SHARED_MEMORY( name, size, flags, mode ));
      72             : } /* end PR_OpenSharedMemory() */
      73             : 
      74             : /*
      75             : ** FUNCTION: PR_AttachSharedMemory()
      76             : **
      77             : */
      78             : PR_IMPLEMENT( void * )
      79             :     PR_AttachSharedMemory(
      80             :         PRSharedMemory *shm,
      81             :         PRIntn          flags
      82             : )
      83             : {
      84           0 :     return( _PR_MD_ATTACH_SHARED_MEMORY( shm, flags ));
      85             : } /* end PR_AttachSharedMemory() */
      86             : 
      87             : /*
      88             : ** FUNCTION: PR_DetachSharedMemory()
      89             : **
      90             : */
      91             : PR_IMPLEMENT( PRStatus )
      92             :     PR_DetachSharedMemory(
      93             :         PRSharedMemory *shm,
      94             :         void *addr
      95             : )
      96             : {
      97           0 :     return( _PR_MD_DETACH_SHARED_MEMORY( shm, addr ));
      98             : } /* end PR_DetachSharedMemory() */
      99             : 
     100             : /*
     101             : ** FUNCTION: PR_CloseSharedMemory()
     102             : **
     103             : */
     104             : PR_IMPLEMENT( PRStatus )
     105             :     PR_CloseSharedMemory(
     106             :         PRSharedMemory *shm
     107             : )
     108             : {
     109           0 :     return( _PR_MD_CLOSE_SHARED_MEMORY( shm ));
     110             : } /* end PR_CloseSharedMemory() */
     111             : 
     112             : /*
     113             : ** FUNCTION: PR_DeleteSharedMemory()
     114             : **
     115             : */
     116             : PR_EXTERN( PRStatus )
     117             :     PR_DeleteSharedMemory(
     118             :         const char *name
     119             : )
     120             : {
     121           0 :     if (!_pr_initialized) _PR_ImplicitInitialization();
     122           0 :     return(_PR_MD_DELETE_SHARED_MEMORY( name ));
     123             : } /* end PR_DestroySharedMemory() */
     124             : /* end prshm.c */