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89 lines
2.4 KiB
89 lines
2.4 KiB
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#include <sys/vmmeter.h>
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#include <vm/vm_param.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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void KMemoryWidget::update()
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{
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char buf[80], *used_str, *total_str;
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/* Stuff for sysctl */
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unsigned long memory;
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size_t len;
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/* Stuff for swap display */
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int used, total, _free;
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FILE *pipe;
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len=sizeof(memory);
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sysctlbyname("hw.physmem", &memory, &len, NULL, 0);
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// Numerical values
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// total physical memory (without swap space)
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Memory_Info[TOTAL_MEM] = MEMORY(memory);
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// added by Brad Hughes bhughes@trolltech.com
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struct vmtotal vmem;
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#warning "FIXME: Memory_Info[CACHED_MEM]"
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Memory_Info[CACHED_MEM] = NO_MEMORY_INFO;
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// The sysctls don't work in a nice manner under FreeBSD v2.2.x
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// so we assume that if sysctlbyname doesn't return what we
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// prefer, assume it's the old data types. FreeBSD prior
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// to 4.0-R isn't supported by the rest of KDE, so what is
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// this code doing here.
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len = sizeof(vmem);
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if (sysctlbyname("vm.vmmeter", &vmem, &len, NULL, 0) == 0)
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Memory_Info[SHARED_MEM] = MEMORY(vmem.t_armshr) * PAGE_SIZE;
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else
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Memory_Info[SHARED_MEM] = NO_MEMORY_INFO;
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int buffers;
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len = sizeof (buffers);
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if ((sysctlbyname("vfs.bufspace", &buffers, &len, NULL, 0) == -1) || !len)
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Memory_Info[BUFFER_MEM] = NO_MEMORY_INFO;
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else
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Memory_Info[BUFFER_MEM] = MEMORY(buffers);
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// total free physical memory (without swap space)
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int free;
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len = sizeof (buffers);
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if ((sysctlbyname("vm.stats.vm.v_free_count", &free, &len, NULL, 0) == -1) || !len)
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Memory_Info[FREE_MEM] = NO_MEMORY_INFO;
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else
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Memory_Info[FREE_MEM] = MEMORY(free) * getpagesize();
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// Q&D hack for swap display. Borrowed from xsysinfo-1.4
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if ((pipe = popen("/usr/sbin/pstat -ks", "r")) == NULL) {
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used = total = 1;
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return;
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}
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fgets(buf, sizeof(buf), pipe);
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fgets(buf, sizeof(buf), pipe);
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fgets(buf, sizeof(buf), pipe);
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fgets(buf, sizeof(buf), pipe);
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pclose(pipe);
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strtok(buf, " ");
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total_str = strtok(NULL, " ");
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used_str = strtok(NULL, " ");
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used = atoi(used_str);
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total = atoi(total_str);
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_free=total-used;
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// total size of all swap-partitions
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Memory_Info[SWAP_MEM] = MEMORY(total) * 1024;
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// free memory in swap-partitions
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Memory_Info[FREESWAP_MEM] = MEMORY(_free) * 1024;
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}
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