node/src/platform_freebsd.cc at master · objcode/node · GitHub

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#include "node.h"

#include "platform.h"

#include <stdlib.h>

#include <kvm.h>

#include <sys/param.h>

#include <sys/sysctl.h>

#include <sys/user.h>

#include <string.h>

#include <paths.h>

#include <fcntl.h>

#include <unistd.h>

namespace node {

static char *process_title;

char** OS::SetupArgs(int argc, char *argv[]) {

process_title = argc ? strdup(argv[0]) : NULL;

return argv;

}

void OS::SetProcessTitle(char *title) {

if (process_title) free(process_title);

process_title = strdup(title);

setproctitle(title);

}

const char* OS::GetProcessTitle(int *len) {

if (process_title) {

*len = strlen(process_title);

return process_title;

}

*len = 0;

return NULL;

}

int OS::GetMemory(size_t *rss, size_t *vsize) {

kvm_t *kd = NULL;

struct kinfo_proc *kinfo = NULL;

pid_t pid;

int nprocs;

size_t page_size = getpagesize();

pid = getpid();

kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open");

if (kd == NULL) goto error;

kinfo = kvm_getprocs(kd, KERN_PROC_PID, pid, &nprocs);

if (kinfo == NULL) goto error;

*rss = kinfo->ki_rssize * page_size;

*vsize = kinfo->ki_size;

kvm_close(kd);

return 0;

error:

if (kd) kvm_close(kd);

return -1;

}

int OS::GetExecutablePath(char* buffer, size_t* size) {

int mib[4];

mib[0] = CTL_KERN;

mib[1] = KERN_PROC;

mib[2] = KERN_PROC_PATHNAME;

mib[3] = -1;

if (sysctl(mib, 4, buffer, size, NULL, 0) == -1) {

return -1;

}

return 0;

}

} // namespace node

node/src/platform_freebsd.cc at master · objcode/node · GitHub

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