1 #include <kvm/util.h> 2 #include <kvm/kvm-cmd.h> 3 #include <kvm/builtin-list.h> 4 #include <kvm/kvm.h> 5 6 #include <stdio.h> 7 #include <string.h> 8 #include <signal.h> 9 #include <fcntl.h> 10 11 #define PROCESS_NAME "kvm" 12 13 static int print_guest(const char *name, int pid) 14 { 15 char proc_name[PATH_MAX]; 16 char *comm = NULL; 17 FILE *fd; 18 19 sprintf(proc_name, "/proc/%d/stat", pid); 20 fd = fopen(proc_name, "r"); 21 if (fd == NULL) 22 goto cleanup; 23 if (fscanf(fd, "%*u (%as)", &comm) == 0) 24 goto cleanup; 25 if (strncmp(comm, PROCESS_NAME, strlen(PROCESS_NAME))) 26 goto cleanup; 27 28 printf("%5d %s\n", pid, name); 29 30 free(comm); 31 32 fclose(fd); 33 34 return 0; 35 36 cleanup: 37 if (fd) 38 fclose(fd); 39 if (comm) 40 free(comm); 41 42 kvm__remove_pidfile(name); 43 return 0; 44 } 45 46 int kvm_cmd_list(int argc, const char **argv, const char *prefix) 47 { 48 printf(" PID GUEST\n"); 49 50 return kvm__enumerate_instances(print_guest); 51 } 52