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76 lines
1.8 KiB
76 lines
1.8 KiB
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/sysmp.h>
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#include <sys/ipc.h>
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// The following define is needed for SGI IRIX 6.2
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#define _KMEMUSER
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#include <sys/shm.h>
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#include <sys/param.h>
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#include <sys/swap.h>
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#ifndef UBSIZE
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#define UBSIZE 512
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#endif
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void KMemoryWidget::update()
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{
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int pagesize = getpagesize();
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struct rminfo rmi;
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if( sysmp(MP_SAGET, MPSA_RMINFO, &rmi, sizeof(rmi)) == -1 )
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return;
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Memory_Info[TOTAL_MEM] = MEMORY(rmi.physmem) * pagesize; // total physical memory (without swaps)
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Memory_Info[FREE_MEM] = MEMORY(rmi.freemem) * pagesize; // total free physical memory (without swaps)
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Memory_Info[BUFFER_MEM] = MEMORY(rmi.bufmem) * pagesize;
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//FIXME: Memory_Info[CACHED_MEM]"
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Memory_Info[CACHED_MEM] = NO_MEMORY_INFO; // cached memory in ram
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long val;
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swapctl(SC_GETSWAPTOT, &val);
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Memory_Info[SWAP_MEM] = MEMORY(val) * UBSIZE; // total size of all swap-partitions
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swapctl(SC_GETFREESWAP, &val);
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Memory_Info[FREESWAP_MEM] = MEMORY(val) * UBSIZE; // free memory in swap-partitions
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#ifndef MPKA_SHMINFO
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/* Irix 6.5 (also 6.4?) */
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Memory_Info[SHARED_MEM] = NO_MEMORY_INFO;
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#else
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FILE *kmem = fopen("/dev/kmem", "r");
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if( kmem == 0 ) {
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Memory_Info[SHARED_MEM] = NO_MEMORY_INFO;
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return;
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}
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long shmip = sysmp(MP_KERNADDR, MPKA_SHMINFO);
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fseek( kmem, shmip, 0 );
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struct shminfo shmi;
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fread( &shmi, sizeof(shmi), 1, kmem );
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long shmem = sysmp(MP_KERNADDR, MPKA_SHM);
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val = 0;
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long pos;
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struct shmid_ds shmid;
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for( int i=0 ; i<shmi.shmmni ; i++ ) {
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fseek( kmem, shmem, 0 );
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shmem += sizeof(shmem);
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fread( &pos, sizeof(shmem), 1, kmem );
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if(pos != 0) {
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fseek( kmem, pos, 0 );
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fread( &shmid, sizeof(shmid), 1, kmem );
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val += shmid.shm_segsz;
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}
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}
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Memory_Info[SHARED_MEM] = MEMORY(val);
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fclose(kmem);
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#endif
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}
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