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-rw-r--r--nsprpub/pr/src/memory/prshm.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/nsprpub/pr/src/memory/prshm.c b/nsprpub/pr/src/memory/prshm.c
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index 000000000..59237e6e7
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+++ b/nsprpub/pr/src/memory/prshm.c
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+** prshm.c -- NSPR Named Shared Memory
+**
+** lth. Jul-1999.
+*/
+#include <string.h>
+#include "primpl.h"
+
+extern PRLogModuleInfo *_pr_shm_lm;
+
+
+#if defined PR_HAVE_SYSV_NAMED_SHARED_MEMORY
+/* SysV implementation is in pr/src/md/unix/uxshm.c */
+#elif defined PR_HAVE_POSIX_NAMED_SHARED_MEMORY
+/* Posix implementation is in pr/src/md/unix/uxshm.c */
+#elif defined PR_HAVE_WIN32_NAMED_SHARED_MEMORY
+/* Win32 implementation is in pr/src/md/windows/w32shm.c */
+#else
+/*
+** there is no named_shared_memory
+*/
+extern PRSharedMemory* _MD_OpenSharedMemory( const char *name, PRSize size, PRIntn flags, PRIntn mode )
+{
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return NULL;
+}
+
+extern void * _MD_AttachSharedMemory( PRSharedMemory *shm, PRIntn flags )
+{
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return NULL;
+}
+
+extern PRStatus _MD_DetachSharedMemory( PRSharedMemory *shm, void *addr )
+{
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return PR_FAILURE;
+}
+
+extern PRStatus _MD_CloseSharedMemory( PRSharedMemory *shm )
+{
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return PR_FAILURE;
+}
+
+extern PRStatus _MD_DeleteSharedMemory( const char *name )
+{
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return PR_FAILURE;
+}
+#endif /* HAVE_SYSV_NAMED_SHARED_MEMORY */
+
+/*
+** FUNCTION: PR_OpenSharedMemory()
+**
+*/
+PR_IMPLEMENT( PRSharedMemory * )
+ PR_OpenSharedMemory(
+ const char *name,
+ PRSize size,
+ PRIntn flags,
+ PRIntn mode
+)
+{
+ if (!_pr_initialized) _PR_ImplicitInitialization();
+ return( _PR_MD_OPEN_SHARED_MEMORY( name, size, flags, mode ));
+} /* end PR_OpenSharedMemory() */
+
+/*
+** FUNCTION: PR_AttachSharedMemory()
+**
+*/
+PR_IMPLEMENT( void * )
+ PR_AttachSharedMemory(
+ PRSharedMemory *shm,
+ PRIntn flags
+)
+{
+ return( _PR_MD_ATTACH_SHARED_MEMORY( shm, flags ));
+} /* end PR_AttachSharedMemory() */
+
+/*
+** FUNCTION: PR_DetachSharedMemory()
+**
+*/
+PR_IMPLEMENT( PRStatus )
+ PR_DetachSharedMemory(
+ PRSharedMemory *shm,
+ void *addr
+)
+{
+ return( _PR_MD_DETACH_SHARED_MEMORY( shm, addr ));
+} /* end PR_DetachSharedMemory() */
+
+/*
+** FUNCTION: PR_CloseSharedMemory()
+**
+*/
+PR_IMPLEMENT( PRStatus )
+ PR_CloseSharedMemory(
+ PRSharedMemory *shm
+)
+{
+ return( _PR_MD_CLOSE_SHARED_MEMORY( shm ));
+} /* end PR_CloseSharedMemory() */
+
+/*
+** FUNCTION: PR_DeleteSharedMemory()
+**
+*/
+PR_EXTERN( PRStatus )
+ PR_DeleteSharedMemory(
+ const char *name
+)
+{
+ if (!_pr_initialized) _PR_ImplicitInitialization();
+ return(_PR_MD_DELETE_SHARED_MEMORY( name ));
+} /* end PR_DestroySharedMemory() */
+/* end prshm.c */