apps/kinfocenter/memory/memory_fbsd.cpp

   1
   2 #include <sys/types.h>
   3 #include <sys/sysctl.h>
   4 #include <sys/vmmeter.h>
   5
   6 #include <vm/vm_param.h>
   7
   8 #include <stdlib.h>
   9 #include <stdio.h>
  10 #include <unistd.h>
  11
  12 void KCMMemory::fetchValues()
  13 {
  14     char blah[10], buf[80], *used_str, *total_str;
  15     /* Stuff for sysctl */
  16     int memory;
  17     size_t len;
  18     /* Stuff for swap display */
  19     int used, total, _free;
  20     FILE *pipe;
  21
  22     len=sizeof(memory);
  23     sysctlbyname("hw.physmem", &memory, &len, NULL, 0);
  24
  25     snprintf(blah, 10, "%d", memory);
  26     // Numerical values
  27
  28     // total physical memory (without swap space)
  29     memoryInfos[TOTAL_MEM] = MEMORY(memory);
  30
  31     // added by Brad Hughes bhughes@trolltech.com
  32     struct vmtotal vmem;
  33 #ifdef __GNUC__
  34     #warning "FIXME: memoryInfos[CACHED_MEM]"
  35 #endif
  36     memoryInfos[CACHED_MEM] = NO_MEMORY_INFO;
  37
  38     // The sysctls don't work in a nice manner under FreeBSD v2.2.x
  39     // so we assume that if sysctlbyname doesn't return what we
  40     // prefer, assume it's the old data types.   FreeBSD prior
  41     // to 4.0-R isn't supported by the rest of KDE, so what is
  42     // this code doing here.
  43
  44     len = sizeof(vmem);
  45     if (sysctlbyname("vm.vmmeter", &vmem, &len, NULL, 0) == 0)
  46         memoryInfos[SHARED_MEM]   = MEMORY(vmem.t_armshr) * PAGE_SIZE;
  47     else
  48         memoryInfos[SHARED_MEM]   = NO_MEMORY_INFO;
  49
  50     int buffers;
  51     len = sizeof (buffers);
  52     if ((sysctlbyname("vfs.bufspace", &buffers, &len, NULL, 0) == -1) || !len)
  53         memoryInfos[BUFFER_MEM]   = NO_MEMORY_INFO;
  54     else
  55         memoryInfos[BUFFER_MEM]   = MEMORY(buffers);
  56
  57     // total free physical memory (without swap space)
  58     int free;
  59     len = sizeof (buffers);
  60     if ((sysctlbyname("vm.stats.vm.v_free_count", &free, &len, NULL, 0) == -1) || !len)
  61         memoryInfos[FREE_MEM]     = NO_MEMORY_INFO;
  62     else
  63         memoryInfos[FREE_MEM]     = MEMORY(free) * getpagesize();
  64
  65     // Q&D hack for swap display. Borrowed from xsysinfo-1.4
  66     if ((pipe = popen("/usr/sbin/pstat -ks", "r")) == NULL) {
  67         used = total = 1;
  68         return;
  69     }
  70
  71     fgets(buf, sizeof(buf), pipe);
  72     fgets(buf, sizeof(buf), pipe);
  73     fgets(buf, sizeof(buf), pipe);
  74     fgets(buf, sizeof(buf), pipe);
  75     pclose(pipe);
  76
  77     strtok(buf, " ");
  78     total_str = strtok(NULL, " ");
  79     used_str = strtok(NULL, " ");
  80     used = atoi(used_str);
  81     total = atoi(total_str);
  82
  83     _free=total-used;
  84
  85     // total size of all swap-partitions
  86     memoryInfos[SWAP_MEM] = MEMORY(total) * 1024;
  87
  88     // free memory in swap-partitions
  89     memoryInfos[FREESWAP_MEM] = MEMORY(_free) * 1024;
  90 }