michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0: ** prshm.c -- NSPR Named Shared Memory
michael@0: **
michael@0: ** lth. Jul-1999.
michael@0: */
michael@0: #include <string.h>
michael@0: #include "primpl.h"
michael@0: 
michael@0: extern PRLogModuleInfo *_pr_shm_lm;
michael@0: 
michael@0: 
michael@0: #if defined PR_HAVE_SYSV_NAMED_SHARED_MEMORY
michael@0: /* SysV implementation is in pr/src/md/unix/uxshm.c */
michael@0: #elif defined PR_HAVE_POSIX_NAMED_SHARED_MEMORY
michael@0: /* Posix implementation is in pr/src/md/unix/uxshm.c */
michael@0: #elif defined PR_HAVE_WIN32_NAMED_SHARED_MEMORY
michael@0: /* Win32 implementation is in pr/src/md/windows/w32shm.c */
michael@0: #else 
michael@0: /* 
michael@0: **  there is no named_shared_memory 
michael@0: */
michael@0: extern PRSharedMemory*  _MD_OpenSharedMemory( const char *name, PRSize size, PRIntn flags, PRIntn mode )
michael@0: {
michael@0:     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
michael@0:     return NULL;
michael@0: }    
michael@0: 
michael@0: extern void * _MD_AttachSharedMemory( PRSharedMemory *shm, PRIntn flags )
michael@0: {
michael@0:     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
michael@0:     return NULL;
michael@0: }    
michael@0: 
michael@0: extern PRStatus _MD_DetachSharedMemory( PRSharedMemory *shm, void *addr )
michael@0: {
michael@0:     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
michael@0:     return PR_FAILURE;
michael@0: }    
michael@0: 
michael@0: extern PRStatus _MD_CloseSharedMemory( PRSharedMemory *shm )
michael@0: {
michael@0:     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
michael@0:     return PR_FAILURE;
michael@0: }    
michael@0: 
michael@0: extern PRStatus _MD_DeleteSharedMemory( const char *name )
michael@0: {
michael@0:     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
michael@0:     return PR_FAILURE;
michael@0: }    
michael@0: #endif /* HAVE_SYSV_NAMED_SHARED_MEMORY */
michael@0: 
michael@0: /*
michael@0: ** FUNCTION: PR_OpenSharedMemory()
michael@0: **
michael@0: */
michael@0: PR_IMPLEMENT( PRSharedMemory * )
michael@0:     PR_OpenSharedMemory(
michael@0:         const char *name,
michael@0:         PRSize      size,
michael@0:         PRIntn      flags,
michael@0:         PRIntn      mode
michael@0: )
michael@0: {
michael@0:     if (!_pr_initialized) _PR_ImplicitInitialization();
michael@0:     return( _PR_MD_OPEN_SHARED_MEMORY( name, size, flags, mode ));
michael@0: } /* end PR_OpenSharedMemory() */
michael@0: 
michael@0: /*
michael@0: ** FUNCTION: PR_AttachSharedMemory()
michael@0: **
michael@0: */
michael@0: PR_IMPLEMENT( void * )
michael@0:     PR_AttachSharedMemory(
michael@0:         PRSharedMemory *shm,
michael@0:         PRIntn          flags
michael@0: )
michael@0: {
michael@0:     return( _PR_MD_ATTACH_SHARED_MEMORY( shm, flags ));
michael@0: } /* end PR_AttachSharedMemory() */
michael@0: 
michael@0: /*
michael@0: ** FUNCTION: PR_DetachSharedMemory()
michael@0: **
michael@0: */
michael@0: PR_IMPLEMENT( PRStatus )
michael@0:     PR_DetachSharedMemory(
michael@0:         PRSharedMemory *shm,
michael@0:         void *addr
michael@0: )
michael@0: {
michael@0:     return( _PR_MD_DETACH_SHARED_MEMORY( shm, addr ));
michael@0: } /* end PR_DetachSharedMemory() */
michael@0: 
michael@0: /*
michael@0: ** FUNCTION: PR_CloseSharedMemory()
michael@0: **
michael@0: */
michael@0: PR_IMPLEMENT( PRStatus )
michael@0:     PR_CloseSharedMemory(
michael@0:         PRSharedMemory *shm
michael@0: )
michael@0: {
michael@0:     return( _PR_MD_CLOSE_SHARED_MEMORY( shm ));
michael@0: } /* end PR_CloseSharedMemory() */
michael@0: 
michael@0: /*
michael@0: ** FUNCTION: PR_DeleteSharedMemory()
michael@0: **
michael@0: */
michael@0: PR_EXTERN( PRStatus )
michael@0:     PR_DeleteSharedMemory(
michael@0:         const char *name
michael@0: )
michael@0: {
michael@0:     if (!_pr_initialized) _PR_ImplicitInitialization();
michael@0:     return(_PR_MD_DELETE_SHARED_MEMORY( name ));
michael@0: } /* end PR_DestroySharedMemory() */
michael@0: /* end prshm.c */