Bug 206630 - Add AIX support for memory cache based on physical ram

(originally implemented in Bug 105344)
r=gordon@netscape.com, sr=darin@netscape.com, a=mkaply@us.ibm.com

netwerk/build/Makefile.in

@@ -98,6 +98,10 @@ EXTRA_DSO_LDOPTS += \
 	$(NULL)
 endif
 
+ifeq ($(OS_ARCH),AIX)
+EXTRA_DSO_LDOPTS += -lodm -lcfg
+endif
+
 include $(topsrcdir)/config/rules.mk
 
 ifeq ($(OS_ARCH),WINNT)

netwerk/cache/src/nsCacheService.cpp

@@ -1269,6 +1269,9 @@ nsCacheService::SetMemoryCacheCapacity(PRInt32  capacity)
 #include <os2.h>
 #elif defined(XP_WIN)
 #include <windows.h>
+#elif defined(_AIX)
+#include <cf.h>
+#include <sys/cfgodm.h>
 #endif
 
 
@@ -1326,6 +1329,19 @@ nsCacheService::CacheMemoryAvailable()
                     sizeof(ulPhysMem));
     kbytes = (long)(ulPhysMem / 1024);
       
+#elif defined(_AIX)
+
+    int how_many;
+    struct CuAt *obj;
+    if (odm_initialize() == 0) {
+        obj = getattr("sys0", "realmem", 0, &how_many);
+        if (obj != NULL) {
+            kbytes = atoi(obj->value);
+            free(obj);
+        }
+        odm_terminate();
+    }
+
 #else
     return MEMORY_CACHE_CAPACITY;
 #endif