freebsd2.c

#include <fcntl.h>
#include <kvm.h>
#include <sys/sysctl.h>
#include <sys/user.h>


#include <unistd.h>
#include <stdio.h>
#include <time.h>

int main(int argc,char** args) {
    kvm_t* kd;

    // Get a handle to libkvm interface
    kd = kvm_open(NULL, "/dev/null", NULL, O_RDONLY, "error: ");

    struct kinfo_proc *kp, *kp2;
    int p_count;

  char pathname[256];
  size_t length;

  length = sizeof(pathname);

    kp = kvm_getprocs(kd, KERN_PROC_PROC, 0, &p_count);
    for (int x = 1; x <= p_count; x++) {
	int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, kp[x].ki_pid };
	sysctl(mib, 4, pathname, &length, NULL, 0);
    	printf("%d %s\n", kp[x].ki_pid, pathname);
	pathname[0]='\0';
    }

    kvm_close(kd);

    return 0;
}