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-rw-r--r--nsprpub/pr/src/memory/prshma.c110
1 files changed, 110 insertions, 0 deletions
diff --git a/nsprpub/pr/src/memory/prshma.c b/nsprpub/pr/src/memory/prshma.c
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index 0000000000..830b6df51d
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+++ b/nsprpub/pr/src/memory/prshma.c
@@ -0,0 +1,110 @@
+/* -*- 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/. */
+
+/*
+** prshma.h -- NSPR Anonymous Shared Memory
+**
+**
+*/
+
+#include "primpl.h"
+
+extern PRLogModuleInfo *_pr_shma_lm;
+
+#if defined(XP_UNIX)
+/* defined in pr/src/md/unix/uxshm.c */
+#elif defined(WIN32)
+/* defined in pr/src/md/windows/w32shm.c */
+#else
+extern PRFileMap * _PR_MD_OPEN_ANON_FILE_MAP( const char *dirName, PRSize size, PRFileMapProtect prot )
+{
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return NULL;
+}
+extern PRStatus _PR_MD_EXPORT_FILE_MAP_AS_STRING(PRFileMap *fm, PRSize bufSize, char *buf)
+{
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return PR_FAILURE;
+}
+extern PRFileMap * _PR_MD_IMPORT_FILE_MAP_FROM_STRING(const char *fmstring)
+{
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return NULL;
+}
+#endif
+
+/*
+** PR_OpenAnonFileMap() -- Creates an anonymous file-mapped shared memory
+**
+*/
+PR_IMPLEMENT(PRFileMap*)
+PR_OpenAnonFileMap(
+ const char *dirName,
+ PRSize size,
+ PRFileMapProtect prot
+)
+{
+ return(_PR_MD_OPEN_ANON_FILE_MAP( dirName, size, prot ));
+} /* end PR_OpenAnonFileMap() */
+
+/*
+** PR_ProcessAttrSetInheritableFileMap() -- Prepare FileMap for export
+** to my children processes via PR_CreateProcess()
+**
+**
+*/
+PR_IMPLEMENT( PRStatus)
+PR_ProcessAttrSetInheritableFileMap(
+ PRProcessAttr *attr,
+ PRFileMap *fm,
+ const char *shmname
+)
+{
+ PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 );
+ return( PR_FAILURE);
+} /* end PR_ProcessAttrSetInheritableFileMap() */
+
+/*
+** PR_GetInheritedFileMap() -- Import a PRFileMap previously exported
+** by my parent process via PR_CreateProcess()
+**
+*/
+PR_IMPLEMENT( PRFileMap *)
+PR_GetInheritedFileMap(
+ const char *shmname
+)
+{
+ PRFileMap *fm = NULL;
+ PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 );
+ return( fm );
+} /* end PR_GetInhteritedFileMap() */
+
+/*
+** PR_ExportFileMapAsString() -- Creates a string identifying a PRFileMap
+**
+*/
+PR_IMPLEMENT( PRStatus )
+PR_ExportFileMapAsString(
+ PRFileMap *fm,
+ PRSize bufSize,
+ char *buf
+)
+{
+ return( _PR_MD_EXPORT_FILE_MAP_AS_STRING( fm, bufSize, buf ));
+} /* end PR_ExportFileMapAsString() */
+
+/*
+** PR_ImportFileMapFromString() -- Creates a PRFileMap from the identifying string
+**
+**
+*/
+PR_IMPLEMENT( PRFileMap * )
+PR_ImportFileMapFromString(
+ const char *fmstring
+)
+{
+ return( _PR_MD_IMPORT_FILE_MAP_FROM_STRING(fmstring));
+} /* end PR_ImportFileMapFromString() */
+/* end prshma.c */