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46 lines
749 B
46 lines
749 B
15 years ago
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#include "node.h"
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#include "platform.h"
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#include <kvm.h>
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/user.h>
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#include <paths.h>
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#include <fcntl.h>
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#include <unistd.h>
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namespace node {
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int OS::GetMemory(size_t *rss, size_t *vsize) {
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kvm_t *kd = NULL;
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struct kinfo_proc *kinfo = NULL;
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pid_t pid;
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int nprocs;
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size_t page_size = getpagesize();
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pid = getpid();
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kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open");
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if (kd == NULL) goto error;
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kinfo = kvm_getprocs(kd, KERN_PROC_PID, pid, &nprocs);
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if (kinfo == NULL) goto error;
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*rss = kinfo->ki_rssize * page_size;
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*vsize = kinfo->ki_size;
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kvm_close(kd);
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return 0;
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error:
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if (kd) kvm_close(kd);
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return -1;
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}
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} // namespace node
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