4 files changed, 328 insertions, 0 deletions
diff --git a/nsprpub/pr/src/memory/Makefile.in b/nsprpub/pr/src/memory/Makefile.in
new file mode 100644
index 0000000000..3272cadb4d
--- /dev/null
+++ b/nsprpub/pr/src/memory/Makefile.in
@@ -0,0 +1,29 @@
+# 
+# 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/.
+
+#! gmake
+
+MOD_DEPTH	= ../../..
+topsrcdir	= @top_srcdir@
+srcdir		= @srcdir@
+VPATH		= @srcdir@
+
+include $(MOD_DEPTH)/config/autoconf.mk
+
+include $(topsrcdir)/config/config.mk
+
+CSRCS = prseg.c prshm.c prshma.c
+
+TARGETS	= $(OBJS)
+
+INCLUDES = -I$(dist_includedir) -I$(topsrcdir)/pr/include -I$(topsrcdir)/pr/include/private
+
+DEFINES += -D_NSPR_BUILD_
+
+include $(topsrcdir)/config/rules.mk
+
+export:: $(TARGETS)
+
+
diff --git a/nsprpub/pr/src/memory/prseg.c b/nsprpub/pr/src/memory/prseg.c
new file mode 100644
index 0000000000..0b70f2d4ea
--- /dev/null
+++ b/nsprpub/pr/src/memory/prseg.c
@@ -0,0 +1,61 @@
+/* -*- 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/. */
+
+#include "primpl.h"
+
+#if defined(_PR_PTHREADS)
+
+/*
+** The pthreads version doesn't use these functions.
+*/
+void _PR_InitSegs(void)
+{
+}
+
+#else /* _PR_PTHREADS */
+
+void _PR_InitSegs(void)
+{
+    _PR_MD_INIT_SEGS();
+}
+
+/*
+** Allocate a memory segment. The size value is rounded up to the native
+** system page size and a page aligned portion of memory is returned.
+** This memory is not part of the malloc heap. If "vaddr" is not NULL
+** then PR tries to allocate the segment at the desired virtual address.
+*/
+PRSegment* _PR_NewSegment(PRUint32 size, void *vaddr)
+{
+    PRSegment *seg;
+
+    /* calloc the data structure for the segment */
+    seg = PR_NEWZAP(PRSegment);
+
+    if (seg) {
+        size = ((size + _pr_pageSize - 1) >> _pr_pageShift) << _pr_pageShift;
+        /*
+        **  Now, allocate the actual segment memory (or map under some OS)
+        **  The OS specific code decides from where or how to allocate memory.
+        */
+        if (_PR_MD_ALLOC_SEGMENT(seg, size, vaddr) != PR_SUCCESS) {
+            PR_DELETE(seg);
+            return NULL;
+        }
+    }
+
+    return seg;
+}
+
+/*
+** Free a memory segment.
+*/
+void _PR_DestroySegment(PRSegment *seg)
+{
+    _PR_MD_FREE_SEGMENT(seg);
+    PR_DELETE(seg);
+}
+
+#endif /* _PR_PTHREADS */
diff --git a/nsprpub/pr/src/memory/prshm.c b/nsprpub/pr/src/memory/prshm.c
new file mode 100644
index 0000000000..7a587cd5d1
--- /dev/null
+++ b/nsprpub/pr/src/memory/prshm.c
@@ -0,0 +1,128 @@
+/* -*- 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 */
diff --git a/nsprpub/pr/src/memory/prshma.c b/nsprpub/pr/src/memory/prshma.c
new file mode 100644
index 0000000000..830b6df51d
--- /dev/null
+++ 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 */