* ntdll.h: New file.

* fhandler_mem.cc: Move ntdll.dll specific definitions and
        declarations to ntdll.h.
        * sysconf.cc (sysconf): Add support for _SC_NPROCESSORS_CONF,
        _SC_NPROCESSORS_ONLN, _SC_PHYS_PAGES and _SC_AVPHYS_PAGES.

winsup/cygwin/ntdll.h

@@ -0,0 +1,50 @@
+/* ntdll.h.  Contains ntdll specific stuff which is nowhere defined.
+
+   Copyright 2000 Cygnus Solutions.
+
+   This file is part of Cygwin.
+
+   This software is a copyrighted work licensed under the terms of the
+   Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+   details. */
+
+/*
+ * The following both data structures aren't defined anywhere in the Microsoft
+ * header files. Taken from the book "Windows NT/2000 Native API Reference"
+ * by Gary Nebbett.
+ */
+typedef enum _SYSTEM_INFORMATION_CLASS {
+  SystemBasicInformation = 0
+  /* Dropped each other since not used here. */
+} SYSTEM_INFORMATION_CLASS;
+
+typedef struct _SYSTEM_BASIC_INFORMATION {
+  ULONG Unknown;
+  ULONG MaximumIncrement;
+  ULONG PhysicalPageSize;
+  ULONG NumberOfPhysicalPages;
+  ULONG LowestPhysicalPage;
+  ULONG HighestPhysicalPage;
+  ULONG AllocationGranularity;
+  ULONG LowestUserAddress;
+  ULONG HighestUserAddress;
+  ULONG ActiveProcessors;
+  ULONG NumberProcessors;
+} SYSTEM_BASIC_INFORMATION, *PSYSTEM_BASIC_INFORMATION;
+
+/*
+ * Function declarations for ntdll.dll. They doesn't appear in any
+ * Win32 header either.
+ */
+extern "C" {
+NTSTATUS NTAPI NtMapViewOfSection(HANDLE,HANDLE,PVOID*,ULONG,ULONG,
+                                  PLARGE_INTEGER,PULONG,SECTION_INHERIT,
+                                  ULONG,ULONG);
+NTSTATUS NTAPI NtQuerySystemInformation(SYSTEM_INFORMATION_CLASS,
+                                        PVOID,ULONG,PULONG);
+NTSTATUS NTAPI NtOpenSection(PHANDLE,ACCESS_MASK,POBJECT_ATTRIBUTES);
+NTSTATUS NTAPI NtUnmapViewOfSection(HANDLE,PVOID);
+VOID NTAPI RtlInitUnicodeString(PUNICODE_STRING,PCWSTR);
+ULONG NTAPI RtlNtStatusToDosError(NTSTATUS);
+}
+