Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 39 insertions, 0 deletions

diff --git a/kcontrol/info/memory_linux.cpp b/kcontrol/info/memory_linux.cpp
new file mode 100644
index 000000000..c393c01e7
--- /dev/null
+++ b/kcontrol/info/memory_linux.cpp
@@ -0,0 +1,39 @@
+#include <sys/sysinfo.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <qfile.h>
+
+void KMemoryWidget::update()
+{
+  struct sysinfo info;
+  
+  sysinfo(&info);	/* Get Information from system... */
+  
+  /* 
+   * The sysinfo.mem_unit member variable is not available in older 2.4 kernels.
+   * If you have troubles compiling this code, set mem_unit to "1".
+   */
+    
+  const int mem_unit = info.mem_unit;
+
+  Memory_Info[TOTAL_MEM]    = MEMORY(info.totalram)  * mem_unit; // total physical memory (without swaps)
+  Memory_Info[FREE_MEM]     = MEMORY(info.freeram)   * mem_unit; // total free physical memory (without swaps)
+  Memory_Info[SHARED_MEM]   = MEMORY(info.sharedram) * mem_unit; 
+  Memory_Info[BUFFER_MEM]   = MEMORY(info.bufferram) * mem_unit; 
+  Memory_Info[SWAP_MEM]     = MEMORY(info.totalswap) * mem_unit; // total size of all swap-partitions
+  Memory_Info[FREESWAP_MEM] = MEMORY(info.freeswap)  * mem_unit; // free memory in swap-partitions
+  
+  QFile file("/proc/meminfo");
+  if (file.open(IO_ReadOnly)) {
+	char buf[512];
+	while (file.readLine(buf, sizeof(buf) - 1) > 0) {
+		if (strncmp(buf,"Cached:",7)==0) {
+			unsigned long v;
+			v = strtoul(&buf[7],NULL,10);			
+			Memory_Info[CACHED_MEM] = MEMORY(v) * 1024; // Cached memory in RAM
+		}
+	}
+	file.close();
+  }
+}
+