12947270eSSasha Levin #include <stdio.h> 22947270eSSasha Levin #include <string.h> 32947270eSSasha Levin #include <signal.h> 42947270eSSasha Levin 52947270eSSasha Levin #include <kvm/util.h> 62947270eSSasha Levin #include <kvm/kvm-cmd.h> 72a24f96dSSasha Levin #include <kvm/builtin-pause.h> 8512e8bf1SSasha Levin #include <kvm/kvm.h> 9c9cba791SPekka Enberg #include <kvm/parse-options.h> 10c9cba791SPekka Enberg 11c9cba791SPekka Enberg static const char * const pause_usage[] = { 12c9cba791SPekka Enberg "kvm pause <instance name>", 13c9cba791SPekka Enberg NULL 14c9cba791SPekka Enberg }; 15c9cba791SPekka Enberg 16c9cba791SPekka Enberg static const struct option pause_options[] = { 17c9cba791SPekka Enberg OPT_END() 18c9cba791SPekka Enberg }; 192947270eSSasha Levin 20*0725673aSSasha Levin void kvm_pause_help(void) 21*0725673aSSasha Levin { 22*0725673aSSasha Levin usage_with_options(pause_usage, pause_options); 23*0725673aSSasha Levin } 24*0725673aSSasha Levin 25886af5f2SLiming Wang static int do_pause(const char *name, int pid) 2624e7dbbaSSasha Levin { 27886af5f2SLiming Wang return kill(pid, SIGUSR2); 2824e7dbbaSSasha Levin } 2924e7dbbaSSasha Levin 302947270eSSasha Levin int kvm_cmd_pause(int argc, const char **argv, const char *prefix) 312947270eSSasha Levin { 32512e8bf1SSasha Levin int pid; 33512e8bf1SSasha Levin 34512e8bf1SSasha Levin if (argc != 1) 35*0725673aSSasha Levin kvm_pause_help(); 36512e8bf1SSasha Levin 3724e7dbbaSSasha Levin if (strcmp(argv[0], "all") == 0) { 38886af5f2SLiming Wang return kvm__enumerate_instances(do_pause); 3924e7dbbaSSasha Levin } 4024e7dbbaSSasha Levin 41512e8bf1SSasha Levin pid = kvm__get_pid_by_instance(argv[0]); 42512e8bf1SSasha Levin if (pid < 0) 43512e8bf1SSasha Levin die("Failed locating instance name"); 44512e8bf1SSasha Levin 45512e8bf1SSasha Levin return kill(pid, SIGUSR2); 462947270eSSasha Levin } 47