X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=src%2Fdllmain.cpp;h=2802bdb533692b6dd4e59351e742d3ab5f102e04;hb=ec943d1ee65b0e36406be135f1c3e58be65671b7;hp=8456767155e5677d3399cac6feaa76b26d6e4f24;hpb=dcfc955eac8d172e1da77d150edc6e17b54ef5a0;p=libcds.git

diff --git a/src/dllmain.cpp b/src/dllmain.cpp
index 84567671..2802bdb5 100644
--- a/src/dllmain.cpp
+++ b/src/dllmain.cpp
@@ -1,7 +1,7 @@
 /*
     This file is a part of libcds - Concurrent Data Structures library
 
-    (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2016
+    (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
 
     Source code repo: http://github.com/khizmax/libcds/
     Download: http://sourceforge.net/projects/libcds/files/
@@ -53,6 +53,14 @@ static HINSTANCE            s_DllInstance = nullptr;
 static unsigned int     s_nProcessorCount = 1;
 static unsigned int     s_nProcessorGroupCount = 1;
 
+static inline void* get_proc_addr( char const* module, char const* func )
+{
+    HMODULE h = GetModuleHandle( module );
+    if ( !h )
+        return nullptr;
+    return GetProcAddress( h, func );
+}
+
 // Array of processor - cell relationship
 // Array size is s_nProcessorCount
 // s_arrProcessorCellRelationship[i] is the cell (the processor group) number for i-th processor
@@ -78,7 +86,7 @@ static void discover_topology()
     s_nProcessorCount = 1;
     s_nProcessorGroupCount = 1;
 
-    glpi = (LPFN_GLPI) GetProcAddress( GetModuleHandle("kernel32"), "GetLogicalProcessorInformation" );
+    glpi = (LPFN_GLPI) get_proc_addr( "kernel32", "GetLogicalProcessorInformation" );
     if ( glpi == nullptr ) {
         return;
     }
@@ -92,7 +100,7 @@ static void discover_topology()
                 if (buffer)
                     free(buffer);
 
-                buffer = reinterpret_cast<PSYSTEM_LOGICAL_PROCESSOR_INFORMATION>( ::malloc( returnLength ) );
+                buffer = reinterpret_cast<PSYSTEM_LOGICAL_PROCESSOR_INFORMATION>( ::malloc( returnLength ));
 
                 if ( buffer == nullptr ) {
                     // allocation failed
@@ -149,7 +157,7 @@ static void discover_topology()
     // Build relationship processor -> cell
     /*
     s_arrProcessorCellRelationship = new unsigned int[s_nProcessorCount];
-    memset( s_arrProcessorCellRelationship, 0, s_nProcessorCount * sizeof(s_arrProcessorCellRelationship[0]) );
+    memset( s_arrProcessorCellRelationship, 0, s_nProcessorCount * sizeof(s_arrProcessorCellRelationship[0]));
     byteOffset = 0;
     ptr = buffer;
     while (byteOffset + sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION) <= returnLength)
@@ -159,7 +167,7 @@ static void discover_topology()
         case RelationNumaNode:
             // Non-NUMA systems report a single record of this type.
             for ( unsigned int i = 0; i < sizeof(ptr->ProcessorMask) * 8; ++i ) {
-                if ( ptr->ProcessorMask & (1 << i) ) {
+                if ( ptr->ProcessorMask & (1 << i)) {
                     assert( i < s_nProcessorCount );
                     assert( ptr->NumaNode.NodeNumber < s_nProcessorGroupCount );
                     if ( i < s_nProcessorCount )
@@ -194,9 +202,9 @@ namespace cds { namespace OS { CDS_CXX11_INLINE_NAMESPACE namespace Win32 {
 
     static void prepare_current_processor_call()
     {
-        s_fnGetCurrentProcessorNumber = (fnGetCurrentProcessorNumber) GetProcAddress( GetModuleHandle("kernel32"), "GetCurrentProcessorNumber" );
+        s_fnGetCurrentProcessorNumber = (fnGetCurrentProcessorNumber) get_proc_addr( "kernel32", "GetCurrentProcessorNumber" );
         if ( s_fnGetCurrentProcessorNumber == nullptr )
-            s_fnGetCurrentProcessorNumber = (fnGetCurrentProcessorNumber) GetProcAddress( GetModuleHandle("ntdll"), "NtGetCurrentProcessorNumber" );
+            s_fnGetCurrentProcessorNumber = (fnGetCurrentProcessorNumber) get_proc_addr( "ntdll", "NtGetCurrentProcessorNumber" );
     }
 
     namespace cds { namespace OS { CDS_CXX11_INLINE_NAMESPACE namespace Win32 {