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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit4aed2c8219774f5d797760606b8489a92ddc5163 (patch)
tree3f8c130f7d269626bf6a9447407ef6c35954426a /kcontrol/info/memory_solaris.cpp
downloadtdebase-4aed2c8219774f5d797760606b8489a92ddc5163.tar.gz
tdebase-4aed2c8219774f5d797760606b8489a92ddc5163.zip
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
Diffstat (limited to 'kcontrol/info/memory_solaris.cpp')
-rw-r--r--kcontrol/info/memory_solaris.cpp94
1 files changed, 94 insertions, 0 deletions
diff --git a/kcontrol/info/memory_solaris.cpp b/kcontrol/info/memory_solaris.cpp
new file mode 100644
index 000000000..a82b830d4
--- /dev/null
+++ b/kcontrol/info/memory_solaris.cpp
@@ -0,0 +1,94 @@
+/*
+ * memory_solaris.cpp
+ *
+ * Torsten Kasch <[email protected]>
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <kstat.h>
+
+/* Stop <sys/swap.h> from crapping out on 32-bit architectures. */
+
+#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
+# undef _FILE_OFFSET_BITS
+# define _FILE_OFFSET_BITS 32
+#endif
+
+#include <sys/stat.h>
+#include <sys/swap.h>
+#include <vm/anon.h>
+
+#define PAGETOK(a) (( (t_memsize) sysconf( _SC_PAGESIZE )) * (t_memsize) a)
+
+void KMemoryWidget::update() {
+
+ kstat_ctl_t *kctl;
+ kstat_t *ksp;
+ kstat_named_t *kdata;
+
+ /*
+ * get a kstat handle first and update the user's kstat chain
+ */
+ if( (kctl = kstat_open()) == NULL )
+ return;
+ while( kstat_chain_update( kctl ) != 0 )
+ ;
+
+ /*
+ * traverse the kstat chain to find the appropriate kstat
+ */
+ if( (ksp = kstat_lookup( kctl, "unix", 0, "system_pages" )) == NULL )
+ return;
+
+ if( kstat_read( kctl, ksp, NULL ) == -1 )
+ return;
+
+ /*
+ * lookup the data
+ */
+#if 0
+ kdata = (kstat_named_t *) kstat_data_lookup( ksp, "physmem" );
+ if( kdata != NULL ) {
+ Memory_Info[TOTAL_MEM] = PAGETOK(kdata->value.ui32);
+ }
+#endif
+ Memory_Info[TOTAL_MEM] = PAGETOK(sysconf(_SC_PHYS_PAGES));
+
+ kdata = (kstat_named_t *) kstat_data_lookup( ksp, "freemem" );
+ if( kdata != NULL )
+ Memory_Info[FREE_MEM] = PAGETOK(kdata->value.ui32);
+
+#warning "FIXME: Memory_Info[CACHED_MEM]"
+ Memory_Info[CACHED_MEM] = NO_MEMORY_INFO; // cached memory in ram
+
+ kstat_close( kctl );
+
+ /*
+ * Swap Info
+ */
+
+ struct anoninfo am_swap;
+ long swaptotal;
+ long swapfree;
+ long swapused;
+
+ swaptotal = swapused = swapfree = 0L;
+
+ /*
+ * Retrieve overall swap information from anonymous memory structure -
+ * which is the same way "swap -s" retrieves it's statistics.
+ *
+ * swapctl(SC_LIST, void *arg) does not return what we are looking for.
+ */
+
+ if (swapctl(SC_AINFO, &am_swap) == -1)
+ return;
+
+ swaptotal = am_swap.ani_max;
+ swapused = am_swap.ani_resv;
+ swapfree = swaptotal - swapused;
+
+ Memory_Info[SWAP_MEM] = PAGETOK(swaptotal);
+ Memory_Info[FREESWAP_MEM] = PAGETOK(swapfree);
+}